Unify translated error messages

* Enclose file paths in ""
* Localize file paths with QDir::toNativeSeparators.
* Make sure sentences end with a '.'
* Append error details always by ':', e.g.
    tr("Failed to copy file '%1': %2").(...)
* Use 'directory' instead of 'folder' everywhere

Change-Id: Ie045f429f72ad5045c96537465c5fb9d2e99d250
Reviewed-by: Karsten Heimrich <karsten.heimrich@theqtcompany.com>

60 files changed, 1378 insertions, 1301 deletions

diff --git a/src/libs/installer/adminauthorization_win.cpp b/src/libs/installer/adminauthorization_win.cpp
index 56d912ae7..3f2155d35 100644
--- a/src/libs/installer/adminauthorization_win.cpp
+++ b/src/libs/installer/adminauthorization_win.cpp
@@ -112,14 +112,14 @@ bool AdminAuthorization::execute(QWidget *, const QString &program, const QStrin
     shellExecuteInfo.lpParameters = (wchar_t *)args.utf16();
     shellExecuteInfo.fMask = SEE_MASK_NOASYNC;
 
-    qDebug() << QString::fromLatin1("Starting elevated process %1 with arguments: %2.").arg(file, args);
+    qDebug() << QString::fromLatin1("Starting elevated process \"%1\" with arguments \"%2\".").arg(file, args);
 
     if (ShellExecuteExW(&shellExecuteInfo)) {
         qDebug() << "Finished starting elevated process.";
         return true;
     } else {
-        qWarning() << QString::fromLatin1("Error while starting elevated process: %1, "
-            "Error: %2").arg(program, QInstaller::windowsErrorString(GetLastError()));
+        qWarning() << QString::fromLatin1("Error while starting elevated process %1: %2").arg(
+                          program, QInstaller::windowsErrorString(GetLastError()));
     }
     return false;
 }
diff --git a/src/libs/installer/binarycontent.cpp b/src/libs/installer/binarycontent.cpp
index 0aa3de84b..dc8753e43 100644
--- a/src/libs/installer/binarycontent.cpp
+++ b/src/libs/installer/binarycontent.cpp
@@ -119,7 +119,7 @@ BinaryLayout BinaryContent::binaryLayout(QFile *file, quint64 magicCookie)
     const qint64 posOfMetaDataCount = layout.endOfBinaryContent - (4 * sizeof(qint64));
     if (!file->seek(posOfMetaDataCount)) {
         throw QInstaller::Error(QCoreApplication::translate("BinaryLayout",
-            "Could not seek to %1 to read the embedded meta data count.").arg(posOfMetaDataCount));
+            "Cannot seek to %1 to read the embedded meta data count.").arg(posOfMetaDataCount));
     }
 
     // read the meta resources count
@@ -130,7 +130,7 @@ BinaryLayout BinaryContent::binaryLayout(QFile *file, quint64 magicCookie)
         + (8 * sizeof(qint64))); // meta count, offset/length collection index, marker, cookie...
     if (!file->seek(posOfResourceCollectionsSegment)) {
         throw Error(QCoreApplication::translate("BinaryLayout",
-            "Could not seek to %1 to read the resource collection segment.")
+            "Cannot seek to %1 to read the resource collection segment.")
             .arg(posOfResourceCollectionsSegment));
     }
 
@@ -205,7 +205,7 @@ void BinaryContent::readBinaryContent(QFile *file, QList<OperationBlob> *operati
         const qint64 posOfOperationsBlock = layout.operationsSegment.start();
         if (!file->seek(posOfOperationsBlock)) {
             throw Error(QCoreApplication::translate("BinaryContent",
-                "Could not seek to %1 to read the operation data.").arg(posOfOperationsBlock));
+                "Cannot seek to %1 to read the operation data.").arg(posOfOperationsBlock));
         }
         // read the operations count
         qint64 operationsCount = QInstaller::retrieveInt64(file);
@@ -222,7 +222,7 @@ void BinaryContent::readBinaryContent(QFile *file, QList<OperationBlob> *operati
     if (manager) {    // read the collection index and data
         const qint64 posOfResourceCollectionBlock = layout.resourceCollectionsSegment.start();
         if (!file->seek(posOfResourceCollectionBlock)) {
-            throw Error(QCoreApplication::translate("BinaryContent", "Could not seek to %1 to "
+            throw Error(QCoreApplication::translate("BinaryContent", "Cannot seek to %1 to "
                 "read the resource collection block.").arg(posOfResourceCollectionBlock));
         }
         manager->read(file, layout.endOfExectuable);
@@ -261,7 +261,7 @@ void BinaryContent::writeBinaryContent(QFile *out, const QList<OperationBlob> &o
         const bool isOpen = resource->isOpen();
         if ((!isOpen) && (!resource->open())) {
             throw Error(QCoreApplication::translate("BinaryContent",
-                "Could not open meta resource. Error: %1").arg(resource->errorString()));
+                "Cannot open meta resource %1.").arg(resource->errorString()));
         }
 
         resource->seek(0);
diff --git a/src/libs/installer/binaryformat.cpp b/src/libs/installer/binaryformat.cpp
index 425767954..998f937ea 100644
--- a/src/libs/installer/binaryformat.cpp
+++ b/src/libs/installer/binaryformat.cpp
@@ -170,7 +170,7 @@ bool Resource::open()
     }
 
     if (!QIODevice::open(QIODevice::ReadOnly)) {
-        setErrorString(tr("Could not open Resource '%1' read-only.").arg(QString::fromUtf8(m_name)));
+        setErrorString(tr("Cannot open resource %1 for reading.").arg(QString::fromUtf8(m_name)));
         return false;
     }
     return true;
@@ -398,7 +398,7 @@ Range<qint64> ResourceCollectionManager::write(QFileDevice *out, qint64 offset)
 
         foreach (const QSharedPointer<Resource> &resource, collection.resources()) {
             if (!resource->open()) {
-                throw QInstaller::Error(tr("Could not open resource %1: %2")
+                throw QInstaller::Error(tr("Cannot open resource %1: %2")
                     .arg(QString::fromUtf8(resource->name()), resource->errorString()));
             }
             resource->copyData(out);
diff --git a/src/libs/installer/component.cpp b/src/libs/installer/component.cpp
index 02a8b2c5f..9b8c2a430 100644
--- a/src/libs/installer/component.cpp
+++ b/src/libs/installer/component.cpp
@@ -565,8 +565,8 @@ void Component::loadUserInterfaces(const QDir &directory, const QStringList &uis
     while (it.hasNext()) {
         QFile file(it.next());
         if (!file.open(QIODevice::ReadOnly)) {
-            throw Error(tr("Could not open the requested UI file '%1'. Error: %2").arg(it.fileName(),
-                file.errorString()));
+            throw Error(tr("Cannot open the requested UI file \"%1\": %2").arg(
+                            it.fileName(), file.errorString()));
         }
 
         static QUiLoader loader;
@@ -574,8 +574,8 @@ void Component::loadUserInterfaces(const QDir &directory, const QStringList &uis
         loader.setLanguageChangeEnabled(true);
         QWidget *const widget = loader.load(&file, 0);
         if (!widget) {
-            throw Error(tr("Could not load the requested UI file '%1'. Error: %2").arg(it.fileName(),
-                loader.errorString()));
+            throw Error(tr("Cannot load the requested UI file \"%1\": %2").arg(
+                            it.fileName(), loader.errorString()));
         }
         d->scriptEngine()->newQObject(widget);
         d->m_userInterfaces.insert(widget->objectName(), widget);
@@ -609,8 +609,8 @@ void Component::loadLicenses(const QString &directory, const QHash<QString, QVar
                 << ". Using untranslated fallback.";
             file.setFileName(directory + fileName);
             if (!file.open(QIODevice::ReadOnly)) {
-                throw Error(tr("Could not open the requested license file '%1'. Error: %2").arg(fileName,
-                    file.errorString()));
+                throw Error(tr("Cannot open the requested license file \"%1\": %2").arg(
+                                fileName, file.errorString()));
             }
         }
         QTextStream stream(&file);
@@ -974,7 +974,7 @@ Operation *Component::createOperation(const QString &operationName, const QStrin
     if (operation == 0) {
         const QMessageBox::StandardButton button =
             MessageBoxHandler::critical(MessageBoxHandler::currentBestSuitParent(),
-            QLatin1String("OperationDoesNotExistError"), tr("Error"), tr("Error: Operation %1 does not exist")
+            QLatin1String("OperationDoesNotExistError"), tr("Error"), tr("Error: Operation %1 does not exist.")
                 .arg(operationName), QMessageBox::Abort | QMessageBox::Ignore);
         if (button == QMessageBox::Abort)
             d->m_operationsCreatedSuccessfully = false;
diff --git a/src/libs/installer/consumeoutputoperation.cpp b/src/libs/installer/consumeoutputoperation.cpp
index bf9e6c143..f665a4c44 100644
--- a/src/libs/installer/consumeoutputoperation.cpp
+++ b/src/libs/installer/consumeoutputoperation.cpp
@@ -74,8 +74,8 @@ bool ConsumeOutputOperation::performOperation()
     const QString installerKeyName = arguments().at(0);
     if (installerKeyName.isEmpty()) {
         setError(UserDefinedError);
-        setErrorString(tr("Can not save the output of %1 to an empty installer key value.").arg(
-            arguments().at(1)));
+        setErrorString(tr("Cannot save the output of \"%1\" to an empty installer key value.").arg(
+            QDir::toNativeSeparators(arguments().at(1))));
         return false;
     }
 
@@ -88,7 +88,7 @@ bool ConsumeOutputOperation::performOperation()
 
     if (!executable.exists() || !executable.isExecutable()) {
         setError(UserDefinedError);
-        setErrorString(tr("File '%1' does not exist or is not an executable binary.").arg(
+        setErrorString(tr("File \"%1\" does not exist or is not an executable binary.").arg(
             QDir::toNativeSeparators(executable.absoluteFilePath())));
         return false;
     }
@@ -109,7 +109,7 @@ bool ConsumeOutputOperation::performOperation()
                            << "standard output: " << process.readAllStandardOutput()
                            << "error output: " << process.readAllStandardError();
                 setError(UserDefinedError);
-                setErrorString(tr("Running '%1' resulted in a crash.").arg(
+                setErrorString(tr("Running \"%1\" resulted in a crash.").arg(
                     QDir::toNativeSeparators(executable.absoluteFilePath())));
                 return false;
             }
@@ -127,7 +127,7 @@ bool ConsumeOutputOperation::performOperation()
 
     }
     if (executableOutput.isEmpty()) {
-        qWarning() << QString::fromLatin1("Cannot get any query output from executable: '%1'").arg(
+        qWarning() << QString::fromLatin1("Cannot get any query output from executable \"%1\".").arg(
             executable.absoluteFilePath());
     }
     core->setValue(installerKeyName, QString::fromLocal8Bit(executableOutput));
diff --git a/src/libs/installer/copydirectoryoperation.cpp b/src/libs/installer/copydirectoryoperation.cpp
index 06c952993..a25e00930 100644
--- a/src/libs/installer/copydirectoryoperation.cpp
+++ b/src/libs/installer/copydirectoryoperation.cpp
@@ -78,18 +78,21 @@ bool CopyDirectoryOperation::performOperation()
         } else {
             setError(InvalidArguments);
             setErrorString(tr("Invalid argument in %1: Third argument needs to be forceOverwrite, "
-                              "if specified").arg(name()));
+                              "if specified.").arg(name()));
             return false;
         }
     }
 
     const QFileInfo sourceInfo(sourcePath);
     const QFileInfo targetInfo(targetPath);
-    if (!sourceInfo.exists() || !sourceInfo.isDir() || !targetInfo.exists() || !targetInfo.isDir()) {
-        setError(InvalidArguments);
-        setErrorString(tr("Invalid arguments in %1: Directories are invalid: %2 %3").arg(name())
-            .arg(sourcePath).arg(targetPath));
-        return false;
+
+    foreach (const QFileInfo &dir, QList<QFileInfo>() << sourceInfo << targetInfo) {
+        if (!dir.exists() || !dir.isDir()) {
+            setError(InvalidArguments);
+            setErrorString(tr("Invalid argument in %1: Directory \"%2\" is invalid.").arg(name())
+                           .arg(QDir::toNativeSeparators(sourcePath)));
+            return false;
+        }
     }
 
     const QDir sourceDir = sourceInfo.absoluteDir();
@@ -120,22 +123,24 @@ bool CopyDirectoryOperation::performOperation()
         } else if (itemInfo.isDir()) {
             if (!targetDir.mkpath(targetDir.absoluteFilePath(relativePath))) {
                 setError(InvalidArguments);
-                setErrorString(tr("Could not create %1").arg(targetDir.absoluteFilePath(relativePath)));
+                setErrorString(tr("Cannot create directory \"%1\".").arg(
+                                   QDir::toNativeSeparators(targetDir.absoluteFilePath(relativePath))));
                 return false;
             }
         } else {
             const QString absolutePath = targetDir.absoluteFilePath(relativePath);
             if (overwrite && QFile::exists(absolutePath) && !deleteFileNowOrLater(absolutePath)) {
                 setError(UserDefinedError);
-                setErrorString(tr("Failed to overwrite %1").arg(absolutePath));
+                setErrorString(tr("Failed to overwrite \"%1\".").arg(QDir::toNativeSeparators(absolutePath)));
                 return false;
             }
             QFile file(sourceDir.absoluteFilePath(itemName));
             if (!file.copy(absolutePath)) {
                 setError(UserDefinedError);
-                setErrorString(tr("Could not copy %1 to %2, error was: %3").arg(sourceDir.absoluteFilePath(itemName),
-                               targetDir.absoluteFilePath(relativePath),
-                               file.errorString()));
+                setErrorString(tr("Cannot copy file \"%1\" to \"%2\": %3").arg(
+                                   QDir::toNativeSeparators(sourceDir.absoluteFilePath(itemName)),
+                                   QDir::toNativeSeparators(targetDir.absoluteFilePath(relativePath)),
+                                   file.errorString()));
                 return false;
             }
             autoPush.m_files.prepend(targetDir.absoluteFilePath(relativePath));
@@ -154,7 +159,7 @@ bool CopyDirectoryOperation::undoOperation()
     foreach (const QString &file, files) {
         if (!QFile::remove(file)) {
             setError(InvalidArguments);
-            setErrorString(tr("Could not remove %1").arg(file));
+            setErrorString(tr("Cannot remove file \"%1\".").arg(QDir::toNativeSeparators(file)));
             return false;
         }
         dir.rmpath(QFileInfo(file).absolutePath());
diff --git a/src/libs/installer/copyfiletask.cpp b/src/libs/installer/copyfiletask.cpp
index 0ec9c6d27..58d232939 100644
--- a/src/libs/installer/copyfiletask.cpp
+++ b/src/libs/installer/copyfiletask.cpp
@@ -34,6 +34,7 @@
 #include "copyfiletask.h"
 #include "observer.h"
 
+#include <QDir>
 #include <QFileInfo>
 #include <QTemporaryFile>
 
@@ -69,8 +70,8 @@ void CopyFileTask::doTask(QFutureInterface<FileTaskResult> &fi)
 
     QFile source(item.source());
     if (!source.open(QIODevice::ReadOnly)) {
-        fi.reportException(TaskException(tr("Could not open source '%1' for read. Error: %2.")
-            .arg(source.fileName(), source.errorString())));
+        fi.reportException(TaskException(tr("Cannot open file \"%1\" for reading: %2")
+            .arg(QDir::toNativeSeparators(source.fileName()), source.errorString())));
         fi.reportFinished(); return;    // error
     }
     observer.setBytesToTransfer(source.size());
@@ -85,8 +86,8 @@ void CopyFileTask::doTask(QFutureInterface<FileTaskResult> &fi)
         file.reset(new QFile(target));
     }
     if (!file->open(QIODevice::WriteOnly | QIODevice::Truncate)) {
-        fi.reportException(TaskException(tr("Could not open target '%1' for write. Error: %2.")
-            .arg(file->fileName(), file->errorString())));
+        fi.reportException(TaskException(tr("Cannot open file \"%1\" for writing: %2")
+            .arg(QDir::toNativeSeparators(file->fileName()), file->errorString())));
         fi.reportFinished(); return;    // error
     }
 
@@ -102,8 +103,8 @@ void CopyFileTask::doTask(QFutureInterface<FileTaskResult> &fi)
         while (written < read) {
             const qint64 toWrite = file->write(buffer.constData() + written, read - written);
             if (toWrite < 0) {
-                fi.reportException(TaskException(tr("Writing to target '%1' failed. Error: %2.")
-                    .arg(file->fileName(), file->errorString())));
+                fi.reportException(TaskException(tr("Writing to file \"%1\" failed: %2")
+                    .arg(QDir::toNativeSeparators(file->fileName()), file->errorString())));
             }
             written += toWrite;
         }
diff --git a/src/libs/installer/createdesktopentryoperation.cpp b/src/libs/installer/createdesktopentryoperation.cpp
index 8d71c2c07..ec98e7fc8 100644
--- a/src/libs/installer/createdesktopentryoperation.cpp
+++ b/src/libs/installer/createdesktopentryoperation.cpp
@@ -122,7 +122,7 @@ void CreateDesktopEntryOperation::backup()
     }
 
     if (!file.copy(value(QLatin1String("backupOfExistingDesktopEntry")).toString()))
-        setErrorString(tr("Could not backup file %1: %2").arg(filename, file.errorString()));
+        setErrorString(tr("Cannot backup file \"%1\": %2").arg(QDir::toNativeSeparators(filename), file.errorString()));
 }
 
 bool CreateDesktopEntryOperation::performOperation()
@@ -136,13 +136,13 @@ bool CreateDesktopEntryOperation::performOperation()
     QFile file(filename);
     if (file.exists() && !file.remove()) {
         setError(UserDefinedError);
-        setErrorString(tr("Failed to overwrite %1").arg(filename));
+        setErrorString(tr("Failed to overwrite file \"%1\".").arg(QDir::toNativeSeparators(filename)));
         return false;
     }
 
     if(!file.open(QIODevice::WriteOnly)) {
         setError(UserDefinedError);
-        setErrorString(tr("Could not write Desktop Entry at %1").arg(filename));
+        setErrorString(tr("Cannot write desktop entry to \"%1\".").arg(QDir::toNativeSeparators(filename)));
         return false;
     }
 
@@ -168,7 +168,7 @@ bool CreateDesktopEntryOperation::undoOperation()
     // first remove the link
     QFile file(filename);
     if (file.exists() && !file.remove()) {
-        qWarning() << "Could not delete file" << filename << file.errorString();
+        qWarning() << "Cannot delete file" << filename << ":" << file.errorString();
         return true;
     }
 
@@ -178,13 +178,13 @@ bool CreateDesktopEntryOperation::undoOperation()
     QFile backupFile(value(QLatin1String("backupOfExistingDesktopEntry")).toString());
     if (!backupFile.exists()) {
         // do not treat this as a real error: The backup file might have been just nuked by the user.
-        qWarning() << "Could not restore original desktop entry at" << filename
+        qWarning() << "Cannot restore original desktop entry at" << filename
                    << ": Backup file" << backupFile.fileName() << "does not exist anymore.";
         return true;
     }
 
     if (!backupFile.rename(filename))
-        qWarning() << "Could not restore the file" << filename << ":" << backupFile.errorString();
+        qWarning() << "Cannot restore the file" << filename << ":" << backupFile.errorString();
 
     return true;
 }
diff --git a/src/libs/installer/createlinkoperation.cpp b/src/libs/installer/createlinkoperation.cpp
index fc0950870..aa98c54a5 100644
--- a/src/libs/installer/createlinkoperation.cpp
+++ b/src/libs/installer/createlinkoperation.cpp
@@ -35,6 +35,7 @@
 
 #include "link.h"
 
+#include <QDir>
 #include <QFileInfo>
 
 using namespace QInstaller;
@@ -60,7 +61,8 @@ bool CreateLinkOperation::performOperation()
 
     if (!link.exists()) {
         setError(UserDefinedError);
-        setErrorString(tr("Could not create link from %1 to %2.").arg(linkPath, targetPath));
+        setErrorString(tr("Cannot create link from \"%1\" to \"%2\".").arg(
+                           QDir::toNativeSeparators(linkPath), QDir::toNativeSeparators(targetPath)));
         return false;
     }
 
@@ -80,7 +82,8 @@ bool CreateLinkOperation::undoOperation()
     }
     if (!link.remove()) {
         setError(UserDefinedError);
-        setErrorString(tr("Could not remove link from %1 to %2.").arg(linkPath, targetPath));
+        setErrorString(tr("Cannot remove link from \"%1\" to \"%2\".").arg(
+                           QDir::toNativeSeparators(linkPath), QDir::toNativeSeparators(targetPath)));
         return false;
     }
 
diff --git a/src/libs/installer/createlocalrepositoryoperation.cpp b/src/libs/installer/createlocalrepositoryoperation.cpp
index 51e209df7..a58570917 100644
--- a/src/libs/installer/createlocalrepositoryoperation.cpp
+++ b/src/libs/installer/createlocalrepositoryoperation.cpp
@@ -89,8 +89,8 @@ static void fixPermissions(const QString &repoPath)
 
         if (!QFile::setPermissions(it.filePath(), QFile::ReadOwner | QFile::WriteOwner
             | QFile::ReadUser | QFile::WriteUser | QFile::ReadGroup | QFile::ReadOther)) {
-                throw Error(CreateLocalRepositoryOperation::tr("Could not set file permissions %1!")
-                    .arg(it.filePath()));
+                throw Error(CreateLocalRepositoryOperation::tr("Cannot set permissions for file \"%1\".")
+                    .arg(QDir::toNativeSeparators(it.filePath())));
         }
     }
 }
@@ -110,8 +110,8 @@ static void removeFiles(const QString &path, AutoHelper *const helper)
         if (fi.isSymLink() || fi.isFile()) {
             QFile f(fi.filePath());
             if (!f.remove()) {
-                throw Error(CreateLocalRepositoryOperation::tr("Could not remove file %1: %2")
-                    .arg(f.fileName(), f.errorString()));
+                throw Error(CreateLocalRepositoryOperation::tr("Cannot remove file \"%1\": %2")
+                    .arg(QDir::toNativeSeparators(f.fileName()), f.errorString()));
             }
             helper->m_files.removeAll(f.fileName());
         }
@@ -128,8 +128,9 @@ static QString createArchive(const QString repoPath, const QString &sourceDir, c
     Lib7z::createArchive(&archive, QStringList() << sourceDir);
     removeFiles(sourceDir, helper); // cleanup the files we compressed
     if (!archive.rename(sourceDir + fileName)) {
-        throw Error(CreateLocalRepositoryOperation::tr("Could not move file %1 to %2. Error: %3")
-            .arg(archive.fileName(), sourceDir + fileName, archive.errorString()));
+        throw Error(CreateLocalRepositoryOperation::tr("Cannot move file \"%1\" to \"%2\": %3")
+            .arg(QDir::toNativeSeparators(archive.fileName()),
+                 QDir::toNativeSeparators(sourceDir + fileName), archive.errorString()));
     }
     return archive.fileName();
 }
@@ -166,7 +167,7 @@ bool CreateLocalRepositoryOperation::performOperation()
         // check if this is an offline version, otherwise there will be no binary data
         PackageManagerCore *const core = value(QLatin1String("installer")).value<PackageManagerCore*>();
         if (core && !core->isOfflineOnly()) {
-            throw QInstaller::Error(tr("Installer needs to be an offline version: %1.")
+            throw QInstaller::Error(tr("Installer at \"%1\" needs to be an offline one.")
                 .arg(QDir::toNativeSeparators(binaryPath)));
         }
 
@@ -210,13 +211,15 @@ bool CreateLocalRepositoryOperation::performOperation()
         // open the updates xml file we previously copied
         QFile updatesXml(repoPath + QLatin1String("Updates.xml"));
         if (!updatesXml.exists() || !updatesXml.open(QIODevice::ReadOnly))
-            throw QInstaller::Error(tr("Could not open file: %1").arg(updatesXml.fileName()));
+            throw QInstaller::Error(tr("Cannot open file \"%1\" for reading.").arg(
+                                        QDir::toNativeSeparators(updatesXml.fileName())));
 
         // read the content of the updates xml
         QString error;
         QDomDocument doc;
         if (!doc.setContent(&updatesXml, &error))
-            throw QInstaller::Error(tr("Could not read: %1. Error: %2").arg(updatesXml.fileName(), error));
+            throw QInstaller::Error(tr("Cannot read file \"%1\": %2").arg(
+                                        QDir::toNativeSeparators(updatesXml.fileName()), error));
 
         // build for each available package a name - version mapping
         QHash<QString, QString> nameVersionHash;
@@ -246,8 +249,9 @@ bool CreateLocalRepositoryOperation::performOperation()
 
         QFile file(binaryPath);
         if (!file.open(QIODevice::ReadOnly)) {
-            throw QInstaller::Error(tr("Could not open file: %1. Error: %2").arg(file.fileName(),
-                file.errorString()));
+            throw QInstaller::Error(tr("Cannot open file \"%1\" for reading: %2").arg(
+                                        QDir::toNativeSeparators(file.fileName()),
+                                        file.errorString()));
         }
 
         // start to read the binary layout
@@ -264,8 +268,8 @@ bool CreateLocalRepositoryOperation::performOperation()
             for (int i = 0; i < names.count(); ++i) {
                 const QString name = names.at(i);
                 if (!repo.mkpath(name)) {
-                    throw QInstaller::Error(tr("Could not create target dir: %1.")
-                        .arg(repo.filePath(name)));
+                    throw QInstaller::Error(tr("Cannot create target directory: \"%1\".")
+                        .arg(QDir::toNativeSeparators(repo.filePath(name))));
                 }
                 // zip the meta files that come with the offline installer
                 helper.m_files.prepend(Static::createArchive(repoPath,
@@ -333,10 +337,10 @@ bool CreateLocalRepositoryOperation::undoOperation()
     QDir dir;
     const QStringList files = value(QLatin1String("files")).toStringList();
     foreach (const QString &file, files) {
-        emit outputTextChanged(tr("Removing file: %1").arg(file));
+        emit outputTextChanged(tr("Removing file \"%1\".").arg(QDir::toNativeSeparators(file)));
         if (!QFile::remove(file)) {
             setError(InvalidArguments);
-            setErrorString(tr("Could not remove %1.").arg(file));
+            setErrorString(tr("Cannot remove file \"%1\".").arg(QDir::toNativeSeparators(file)));
             return false;
         }
         dir.rmpath(QFileInfo(file).absolutePath());
@@ -355,12 +359,12 @@ bool CreateLocalRepositoryOperation::undoOperation()
 #if defined(Q_OS_WIN) && !defined(Q_CC_MINGW)
         char msg[128];
         if (strerror_s(msg, sizeof msg, errno) != 0) {
-            setError(UserDefinedError, tr("Cannot remove directory %1: %2").arg(createdDir.path(),
-                QString::fromLocal8Bit(msg)));
+            setError(UserDefinedError, tr("Cannot remove directory \"%1\": %2").arg(
+                         QDir::toNativeSeparators(createdDir.path()), QString::fromLocal8Bit(msg)));
         }
 #else
-        setError(UserDefinedError, tr("Cannot remove directory %1: %2").arg(createdDir.path(),
-             QString::fromLocal8Bit(strerror(errno))));
+        setError(UserDefinedError, tr("Cannot remove directory \"%1\": %2").arg(
+                     QDir::toNativeSeparators(createdDir.path()), QString::fromLocal8Bit(strerror(errno))));
 #endif
     }
     setValue(QLatin1String("files"), QStringList());
diff --git a/src/libs/installer/createshortcutoperation.cpp b/src/libs/installer/createshortcutoperation.cpp
index 110698413..4bd5ca453 100644
--- a/src/libs/installer/createshortcutoperation.cpp
+++ b/src/libs/installer/createshortcutoperation.cpp
@@ -219,11 +219,11 @@ bool CreateShortcutOperation::performOperation()
 #if defined(Q_OS_WIN) && !defined(Q_CC_MINGW)
         char msg[128];
         if (strerror_s(msg, sizeof msg, errno) != 0) {
-            setErrorString(tr("Could not create folder %1: %2.").arg(QDir::toNativeSeparators(linkPath),
+            setErrorString(tr("Cannot create directory \"%1\": %2").arg(QDir::toNativeSeparators(linkPath),
                 QString::fromLocal8Bit(msg)));
         }
 #else
-        setErrorString(tr("Could not create folder %1: %2.").arg(QDir::toNativeSeparators(linkPath),
+        setErrorString(tr("Cannot create directory \"%1\": %2").arg(QDir::toNativeSeparators(linkPath),
             QString::fromLocal8Bit(strerror(errno))));
 #endif
         return false;
@@ -233,7 +233,7 @@ bool CreateShortcutOperation::performOperation()
     QString errorString;
     if (QFile::exists(linkLocation) && !deleteFileNowOrLater(linkLocation, &errorString)) {
         setError(UserDefinedError);
-        setErrorString(tr("Failed to overwrite %1: %2").arg(QDir::toNativeSeparators(linkLocation),
+        setErrorString(tr("Failed to overwrite \"%1\": %2").arg(QDir::toNativeSeparators(linkLocation),
             errorString));
         return false;
     }
@@ -241,7 +241,7 @@ bool CreateShortcutOperation::performOperation()
     const bool linked = createLink(linkTarget, linkLocation, m_workingDir, targetArguments, m_iconPath, m_iconId);
     if (!linked) {
         setError(UserDefinedError);
-        setErrorString(tr("Could not create link %1: %2").arg(QDir::toNativeSeparators(linkLocation),
+        setErrorString(tr("Cannot create link \"%1\": %2").arg(QDir::toNativeSeparators(linkLocation),
             qt_error_string()));
         return false;
     }
diff --git a/src/libs/installer/downloadarchivesjob.cpp b/src/libs/installer/downloadarchivesjob.cpp
index c3cfb4abd..828e7f99a 100644
--- a/src/libs/installer/downloadarchivesjob.cpp
+++ b/src/libs/installer/downloadarchivesjob.cpp
@@ -222,7 +222,7 @@ void DownloadArchivesJob::registerFile()
             QMessageBox::Retry | QMessageBox::Cancel, QMessageBox::Cancel);
 
         if (res == QMessageBox::Cancel) {
-            finishWithError(tr("Could not verify Hash"));
+            finishWithError(tr("Cannot verify Hash"));
             return;
         }
     } else {
@@ -252,7 +252,7 @@ void DownloadArchivesJob::downloadFailed(const QString &error)
 
     const QMessageBox::StandardButton b =
         MessageBoxHandler::critical(MessageBoxHandler::currentBestSuitParent(),
-        QLatin1String("archiveDownloadError"), tr("Download Error"), tr("Could not download archive: %1 : %2")
+        QLatin1String("archiveDownloadError"), tr("Download Error"), tr("Cannot download archive %1: %2")
         .arg(m_archivesToDownload.first().second, error), QMessageBox::Retry | QMessageBox::Cancel);
 
     if (b == QMessageBox::Retry)
@@ -264,7 +264,7 @@ void DownloadArchivesJob::downloadFailed(const QString &error)
 void DownloadArchivesJob::finishWithError(const QString &error)
 {
     const FileDownloader *const dl = qobject_cast<const FileDownloader*> (sender());
-    const QString msg = tr("Could not fetch archives: %1\nError while loading %2");
+    const QString msg = tr("Cannot fetch archives: %1\nError while loading %2");
     if (dl != 0)
         emitFinishedWithError(QInstaller::DownloadError, msg.arg(error, dl->url().toString()));
     else
@@ -303,14 +303,13 @@ KDUpdater::FileDownloader *DownloadArchivesJob::setupDownloader(const QString &s
                     + component->name() + QLatin1Char('/') + fi.fileName() + suffix);
             }
 
-            emit outputTextChanged(tr("Downloading archive '%1' for component: %2")
+            emit outputTextChanged(tr("Downloading archive \"%1\" for component %2.")
                 .arg(fi.fileName() + suffix, component->displayName()));
         } else {
-            emit outputTextChanged(tr("Scheme not supported: %1 (%2)").arg(scheme, url.toString()));
+            emit outputTextChanged(tr("Scheme %1 not supported (URL: %2).").arg(scheme, url.toString()));
         }
     } else {
-        emit outputTextChanged(tr("Could not find component for: %1.").arg(QFileInfo(fi.path())
-            .fileName()));
+        emit outputTextChanged(tr("Cannot find component for %1.").arg(QFileInfo(fi.path()).fileName()));
     }
     return downloader;
 }
diff --git a/src/libs/installer/downloadfiletask.cpp b/src/libs/installer/downloadfiletask.cpp
index dde85795c..6bc1a1c8f 100644
--- a/src/libs/installer/downloadfiletask.cpp
+++ b/src/libs/installer/downloadfiletask.cpp
@@ -37,6 +37,7 @@
 #include "downloadfiletask_p.h"
 
 #include <QCoreApplication>
+#include <QDir>
 #include <QEventLoop>
 #include <QFileInfo>
 #include <QNetworkProxyFactory>
@@ -126,15 +127,17 @@ void Downloader::onReadyRead()
         }
 
         if (file->exists() && (!QFileInfo(file->fileName()).isFile())) {
-            m_futureInterface->reportException(TaskException(tr("Target file '%1' already exists "
+            m_futureInterface->reportException(TaskException(tr("Target file \"%1\" already exists "
                 "but is not a file.").arg(file->fileName())));
             return;
         }
 
         if (!file->open(QIODevice::WriteOnly | QIODevice::Truncate)) {
             //: %2 is a sentence describing the error
-            m_futureInterface->reportException(TaskException(tr("Could not open target '%1' for "
-                "write. Error: %2.").arg(file->fileName(), file->errorString())));
+            m_futureInterface->reportException(
+                        TaskException(tr("Cannot open file \"%1\" for writing: %2").arg(
+                                          QDir::toNativeSeparators(file->fileName()),
+                                          file->errorString())));
             return;
         }
         data.file = std::move(file);
@@ -143,8 +146,9 @@ void Downloader::onReadyRead()
     if (!data.file->isOpen()) {
         //: %2 is a sentence describing the error.
         m_futureInterface->reportException(
-                    TaskException(tr("Target '%1' not open for write. Error: %2.").arg(
-                                          data.file->fileName(), data.file->errorString())));
+                    TaskException(tr("File \"%1\" not open for writing: %2").arg(
+                                      QDir::toNativeSeparators(data.file->fileName()),
+                                      data.file->errorString())));
         return;
     }
 
@@ -162,8 +166,9 @@ void Downloader::onReadyRead()
             if (toWrite < 0) {
                 //: %2 is a sentence describing the error.
                 m_futureInterface->reportException(
-                            TaskException(tr("Writing to target '%1' failed. Error: %2.").arg(
-                                                  data.file->fileName(), data.file->errorString())));
+                            TaskException(tr("Writing to file \"%1\" failed: %2").arg(
+                                                  QDir::toNativeSeparators(data.file->fileName()),
+                                              data.file->errorString())));
                 return;
             }
             written += toWrite;
@@ -209,7 +214,7 @@ void Downloader::onFinished(QNetworkReply *reply)
                 reply->deleteLater();
                 return;
             } else {
-                m_futureInterface->reportException(TaskException(tr("Redirect loop detected '%1'.")
+                m_futureInterface->reportException(TaskException(tr("Redirect loop detected for \"%1\".")
                     .arg(url.toString())));
                 return;
             }
@@ -226,7 +231,7 @@ void Downloader::onFinished(QNetworkReply *reply)
     const QByteArray expectedCheckSum = data.taskItem.value(TaskRole::Checksum).toByteArray();
     if (!expectedCheckSum.isEmpty()) {
         if (expectedCheckSum != data.observer->checkSum().toHex()) {
-            m_futureInterface->reportException(TaskException(tr("Checksum mismatch detected '%1'.")
+            m_futureInterface->reportException(TaskException(tr("Checksum mismatch detected for \"%1\".")
                 .arg(reply->url().toString())));
         }
     }
@@ -256,12 +261,12 @@ void Downloader::onError(QNetworkReply::NetworkError error)
         const Data &data = *m_downloads[reply];
         //: %2 is a sentence describing the error
         m_futureInterface->reportException(
-                    TaskException(tr("Network error while downloading '%1': %2.").arg(
+                    TaskException(tr("Network error while downloading \"%1\": %2").arg(
                                           data.taskItem.source(), reply->errorString())));
     } else {
         //: %1 is a sentence describing the error
         m_futureInterface->reportException(
-                    TaskException(tr("Unknown network error while downloading: %1.").arg(error)));
+                    TaskException(tr("Unknown network error while downloading \"%1\".").arg(error)));
     }
 }
 
@@ -271,7 +276,7 @@ void Downloader::onSslErrors(const QList<QSslError> &sslErrors)
     Q_UNUSED(sslErrors);
 #else
     foreach (const QSslError &error, sslErrors)
-        qDebug() << QString::fromLatin1("SSL error: %s").arg(error.errorString());
+        qDebug() << QString::fromLatin1("SSL error: %1").arg(error.errorString());
 #endif
 }
 
@@ -336,7 +341,7 @@ QNetworkReply *Downloader::startDownload(const FileTaskItem &item)
     QUrl const source = item.source();
     if (!source.isValid()) {
         //: %2 is a sentence describing the error
-        m_futureInterface->reportException(TaskException(tr("Invalid source '%1'. Error: %2.")
+        m_futureInterface->reportException(TaskException(tr("Invalid source URL \"%1\": %2")
             .arg(source.toString(), source.errorString())));
         return 0;
     }
diff --git a/src/libs/installer/elevatedexecuteoperation.cpp b/src/libs/installer/elevatedexecuteoperation.cpp
index 9fe20a103..640ae7c1a 100644
--- a/src/libs/installer/elevatedexecuteoperation.cpp
+++ b/src/libs/installer/elevatedexecuteoperation.cpp
@@ -142,7 +142,7 @@ bool ElevatedExecuteOperation::Private::run(const QStringList &arguments)
         const bool success = QProcessWrapper::startDetached(args.front(), args.mid(1));
         if (!success) {
             q->setError(UserDefinedError);
-            q->setErrorString(tr("Execution failed: Could not start detached: \"%1\"").arg(callstr));
+            q->setErrorString(tr("Cannot start detached: \"%1\"").arg(callstr));
         }
         return success;
     }
@@ -194,7 +194,7 @@ bool ElevatedExecuteOperation::Private::run(const QStringList &arguments)
     if (!success) {
         q->setError(UserDefinedError);
         //TODO: pass errorString() through the wrapper */
-        q->setErrorString(tr("Execution failed: Could not start: \"%1\"(%2)").arg(callstr,
+        q->setErrorString(tr("Cannot start: \"%1\": %2").arg(callstr,
             process->errorString()));
         returnValue = false;
     }
@@ -210,7 +210,7 @@ bool ElevatedExecuteOperation::Private::run(const QStringList &arguments)
 
     if (process->exitStatus() == QProcessWrapper::CrashExit) {
         q->setError(UserDefinedError);
-        q->setErrorString(tr("Execution failed (Crash): \"%1\"").arg(callstr));
+        q->setErrorString(tr("Program crashed: \"%1\"").arg(callstr));
         returnValue = false;
     }
 
diff --git a/src/libs/installer/environmentvariablesoperation.cpp b/src/libs/installer/environmentvariablesoperation.cpp
index 55332f540..b3ac9c268 100644
--- a/src/libs/installer/environmentvariablesoperation.cpp
+++ b/src/libs/installer/environmentvariablesoperation.cpp
@@ -80,7 +80,7 @@ UpdateOperation::Error writeSetting(const QString &regPath,
     oldValue->clear();
     SettingsType registry(regPath, QSettingsWrapper::NativeFormat);
     if (!registry.isWritable()) {
-        *errorString = UpdateOperation::tr("Registry path %1 is not writable").arg(regPath);
+        *errorString = UpdateOperation::tr("Registry path %1 is not writable.").arg(regPath);
         return UpdateOperation::UserDefinedError;
     }
 
@@ -92,7 +92,7 @@ UpdateOperation::Error writeSetting(const QString &regPath,
     registry.sync();
 
     if (registry.status() != QSettingsWrapper::NoError) {
-        *errorString = UpdateOperation::tr("Could not write to registry path %1").arg(regPath);
+        *errorString = UpdateOperation::tr("Cannot write to registry path %1.").arg(regPath);
         return UpdateOperation::UserDefinedError;
     }
 
diff --git a/src/libs/installer/extractarchiveoperation_p.h b/src/libs/installer/extractarchiveoperation_p.h
index 4476228cd..6154a8cb4 100644
--- a/src/libs/installer/extractarchiveoperation_p.h
+++ b/src/libs/installer/extractarchiveoperation_p.h
@@ -154,7 +154,7 @@ protected:
         QFile f(filename);
         const bool renamed = f.rename(backup);
         if (f.exists() && !renamed) {
-            qCritical("Could not rename %s to %s: %s", qPrintable(filename), qPrintable(backup),
+            qCritical("Cannot rename %s to %s: %s", qPrintable(filename), qPrintable(backup),
                 qPrintable(f.errorString()));
             return false;
         }
@@ -185,8 +185,7 @@ public:
     {
         QFile archive(archivePath);
         if (!archive.open(QIODevice::ReadOnly)) {
-
-            emit finished(false, tr("Could not open %1 for reading: %2.").arg(archivePath, archive.errorString()));
+            emit finished(false, tr("Cannot open archive \"%1\" for reading: %2").arg(archivePath, archive.errorString()));
             return;
         }
 
@@ -194,9 +193,9 @@ public:
             Lib7z::extractArchive(&archive, targetDir, callback);
             emit finished(true, QString());
         } catch (const Lib7z::SevenZipException& e) {
-            emit finished(false, tr("Error while extracting '%1': %2").arg(archivePath, e.message()));
+            emit finished(false, tr("Error while extracting archive \"%1\": %2").arg(archivePath, e.message()));
         } catch (...) {
-            emit finished(false, tr("Unknown exception caught while extracting %1.").arg(archivePath));
+            emit finished(false, tr("Unknown exception caught while extracting \"%1\".").arg(archivePath));
         }
     }
 
diff --git a/src/libs/installer/fakestopprocessforupdateoperation.cpp b/src/libs/installer/fakestopprocessforupdateoperation.cpp
index 562816bfc..5b99641ec 100644
--- a/src/libs/installer/fakestopprocessforupdateoperation.cpp
+++ b/src/libs/installer/fakestopprocessforupdateoperation.cpp
@@ -62,7 +62,7 @@ bool FakeStopProcessForUpdateOperation::undoOperation()
 
     PackageManagerCore *const core = value(QLatin1String("installer")).value<PackageManagerCore*>();
     if (!core) {
-        setError(KDUpdater::UpdateOperation::UserDefinedError, tr("Could not get package manager "
+        setError(KDUpdater::UpdateOperation::UserDefinedError, tr("Cannot get package manager "
             "core."));
         return false;
     }
diff --git a/src/libs/installer/fileio.cpp b/src/libs/installer/fileio.cpp
index 70f2be147..d014449e5 100644
--- a/src/libs/installer/fileio.cpp
+++ b/src/libs/installer/fileio.cpp
@@ -39,6 +39,7 @@
 
 #include <QCoreApplication>
 #include <QByteArray>
+#include <QDir>
 #include <QFileDevice>
 #include <QString>
 
@@ -108,7 +109,8 @@ void QInstaller::openForRead(QFileDevice *dev)
     Q_ASSERT(dev);
     if (!dev->open(QIODevice::ReadOnly)) {
         throw Error(QCoreApplication::translate("QInstaller",
-            "Cannot open file %1 for reading: %2").arg(dev->fileName(), dev->errorString()));
+            "Cannot open file \"%1\" for reading: %2").arg(
+                        QDir::toNativeSeparators(dev->fileName()), dev->errorString()));
     }
 }
 
@@ -117,7 +119,8 @@ void QInstaller::openForWrite(QFileDevice *dev)
     Q_ASSERT(dev);
     if (!dev->open(QIODevice::WriteOnly)) {
         throw Error(QCoreApplication::translate("QInstaller",
-            "Cannot open file %1 for writing: %2").arg(dev->fileName(), dev->errorString()));
+            "Cannot open file \"%1\" for writing: %2").arg(
+                        QDir::toNativeSeparators(dev->fileName()), dev->errorString()));
     }
 }
 
@@ -126,7 +129,8 @@ void QInstaller::openForAppend(QFileDevice *dev)
     Q_ASSERT(dev);
     if (!dev->open(QIODevice::WriteOnly | QIODevice::Append)) {
         throw Error(QCoreApplication::translate("QInstaller",
-            "Cannot open file %1 for writing: %2").arg(dev->fileName(), dev->errorString()));
+            "Cannot open file \"%1\" for writing: %2").arg(
+                        QDir::toNativeSeparators(dev->fileName()), dev->errorString()));
     }
 }
 
@@ -160,7 +164,7 @@ qint64 QInstaller::blockingCopy(QFileDevice *in, QFileDevice *out, qint64 size)
             size -= actual;
             actual = qMin(blockSize, size);
         } catch (const Error &error) {
-            throw Error(QCoreApplication::translate("QInstaller", "Copy failed. Error: %1")
+            throw Error(QCoreApplication::translate("QInstaller", "Copy failed: %1")
                 .arg(error.message()));
         }
     }
diff --git a/src/libs/installer/fileutils.cpp b/src/libs/installer/fileutils.cpp
index a44db1126..00c289ffa 100644
--- a/src/libs/installer/fileutils.cpp
+++ b/src/libs/installer/fileutils.cpp
@@ -182,7 +182,8 @@ void QInstaller::removeFiles(const QString &path, bool ignoreErrors)
             QFile f(fi.filePath());
             if (!f.remove()) {
                 const QString errorMessage = QCoreApplication::translate("QInstaller",
-                    "Could not remove file %1: %2").arg(f.fileName(), f.errorString());
+                    "Cannot remove file \"%1\": %2").arg(
+                            QDir::toNativeSeparators(f.fileName()), f.errorString());
                 if (!ignoreErrors)
                     throw Error(errorMessage);
                 qWarning() << errorMessage;
@@ -223,7 +224,8 @@ void QInstaller::removeDirectory(const QString &path, bool ignoreErrors)
         errno = 0;
         if (d.exists(path) && !d.rmdir(dir)) {
             const QString errorMessage = QCoreApplication::translate("QInstaller",
-                "Could not remove folder %1: %2").arg(dir, errnoToQString(errno));
+                "Cannot remove directory \"%1\": %2").arg(QDir::toNativeSeparators(dir),
+                                                          errnoToQString(errno));
             if (!ignoreErrors)
                 throw Error(errorMessage);
             qWarning() << errorMessage;
@@ -293,8 +295,8 @@ void QInstaller::copyDirectoryContents(const QString &sourceDir, const QString &
     Q_ASSERT(QFileInfo(sourceDir).isDir());
     Q_ASSERT(!QFileInfo(targetDir).exists() || QFileInfo(targetDir).isDir());
     if (!QDir().mkpath(targetDir)) {
-        throw Error(QCoreApplication::translate("QInstaller", "Could not create folder %1")
-            .arg(targetDir));
+        throw Error(QCoreApplication::translate("QInstaller", "Cannot create directory \"%1\".")
+            .arg(QDir::toNativeSeparators(targetDir)));
     }
     QDirIterator it(sourceDir, QDir::NoDotAndDotDot | QDir::AllEntries);
     while (it.hasNext()) {
@@ -307,8 +309,10 @@ void QInstaller::copyDirectoryContents(const QString &sourceDir, const QString &
             const QString target = QDir(targetDir).absoluteFilePath(i.fileName());
             if (!f.copy(target)) {
                 throw Error(QCoreApplication::translate("QInstaller",
-                    "Could not copy file from %1 to %2: %3").arg(f.fileName(), target,
-                    f.errorString()));
+                    "Cannot copy file from \"%1\" to \"%2\": %3").arg(
+                                QDir::toNativeSeparators(f.fileName()),
+                                QDir::toNativeSeparators(target),
+                                f.errorString()));
             }
         }
     }
@@ -319,8 +323,8 @@ void QInstaller::moveDirectoryContents(const QString &sourceDir, const QString &
     Q_ASSERT(QFileInfo(sourceDir).isDir());
     Q_ASSERT(!QFileInfo(targetDir).exists() || QFileInfo(targetDir).isDir());
     if (!QDir().mkpath(targetDir)) {
-        throw Error(QCoreApplication::translate("QInstaller", "Could not create folder %1")
-            .arg(targetDir));
+        throw Error(QCoreApplication::translate("QInstaller", "Cannot create directory \"%1\".")
+            .arg(QDir::toNativeSeparators(targetDir)));
     }
     QDirIterator it(sourceDir, QDir::NoDotAndDotDot | QDir::AllEntries);
     while (it.hasNext()) {
@@ -336,8 +340,10 @@ void QInstaller::moveDirectoryContents(const QString &sourceDir, const QString &
             const QString target = QDir(targetDir).absoluteFilePath(i.fileName());
             if (!f.rename(target)) {
                 throw Error(QCoreApplication::translate("QInstaller",
-                    "Could not move file from %1 to %2: %3").arg(f.fileName(), target,
-                    f.errorString()));
+                    "Cannot move file from \"%1\" to \"%2\": %3").arg(
+                                QDir::toNativeSeparators(f.fileName()),
+                                QDir::toNativeSeparators(target),
+                                f.errorString()));
             }
         }
     }
@@ -347,8 +353,8 @@ void QInstaller::mkdir(const QString &path)
 {
     errno = 0;
     if (!QDir().mkdir(QFileInfo(path).absoluteFilePath())) {
-        throw Error(QCoreApplication::translate("QInstaller", "Could not create folder %1: %2")
-            .arg(path, errnoToQString(errno)));
+        throw Error(QCoreApplication::translate("QInstaller", "Cannot create directory \"%1\": %2")
+            .arg(QDir::toNativeSeparators(path), errnoToQString(errno)));
     }
 }
 
@@ -356,8 +362,8 @@ void QInstaller::mkpath(const QString &path)
 {
     errno = 0;
     if (!QDir().mkpath(QFileInfo(path).absoluteFilePath())) {
-        throw Error(QCoreApplication::translate("QInstaller", "Could not create folder %1: %2")
-            .arg(path, errnoToQString(errno)));
+        throw Error(QCoreApplication::translate("QInstaller", "Cannot create directory \"%1\": %2")
+            .arg(QDir::toNativeSeparators(path), errnoToQString(errno)));
     }
 }
 
@@ -367,7 +373,7 @@ QString QInstaller::generateTemporaryFileName(const QString &templ)
         QTemporaryFile f;
         if (!f.open()) {
             throw Error(QCoreApplication::translate("QInstaller",
-                "Could not open temporary file: %1").arg(f.errorString()));
+                "Cannot open temporary file: %1").arg(f.errorString()));
         }
         return f.fileName();
     }
@@ -386,7 +392,7 @@ QString QInstaller::generateTemporaryFileName(const QString &templ)
     QFile f(tmp.arg(templ, suffix).arg(count));
     if (!f.open(QIODevice::WriteOnly)) {
         throw Error(QCoreApplication::translate("QInstaller",
-            "Could not open temporary file for template %1: %2").arg(templ, f.errorString()));
+            "Cannot open temporary file for template %1: %2").arg(templ, f.errorString()));
     }
     f.remove();
     return f.fileName();
@@ -487,13 +493,13 @@ void QInstaller::setApplicationIcon(const QString &application, const QString &i
 {
     QFile iconFile(icon);
     if (!iconFile.open(QIODevice::ReadOnly)) {
-        qWarning() << QString::fromLatin1("Could not use '%1' as application icon: %2.")
+        qWarning() << QString::fromLatin1("Cannot use \"%1\" as application icon: %2")
             .arg(icon, iconFile.errorString());
         return;
     }
 
     if (QImageReader::imageFormat(icon) != "ico") {
-        qWarning() << QString::fromLatin1("Could not use '%1' as application icon, unsupported format %2.")
+        qWarning() << QString::fromLatin1("Cannot use \"%1\" as application icon, unsupported format %2.")
             .arg(icon, QLatin1String(QImageReader::imageFormat(icon)));
         return;
     }
diff --git a/src/libs/installer/globalsettingsoperation.cpp b/src/libs/installer/globalsettingsoperation.cpp
index f8d5ee439..3ddf8f05b 100644
--- a/src/libs/installer/globalsettingsoperation.cpp
+++ b/src/libs/installer/globalsettingsoperation.cpp
@@ -55,7 +55,7 @@ bool GlobalSettingsOperation::performOperation()
 
     if (!settings->isWritable()) {
         setError(UserDefinedError);
-        setErrorString(tr("Settings are not writable"));
+        setErrorString(tr("Settings are not writable."));
         return false;
     }
 
@@ -65,7 +65,7 @@ bool GlobalSettingsOperation::performOperation()
 
     if (settings->status() != QSettingsWrapper::NoError) {
         setError(UserDefinedError);
-        setErrorString(tr("Failed to write settings"));
+        setErrorString(tr("Failed to write settings."));
         return false;
     }
 
diff --git a/src/libs/installer/installercalculator.cpp b/src/libs/installer/installercalculator.cpp
index 79c085c55..a03d11fc2 100644
--- a/src/libs/installer/installercalculator.cpp
+++ b/src/libs/installer/installercalculator.cpp
@@ -77,7 +77,7 @@ QString InstallerCalculator::installReason(Component *component) const
                 "Components added as automatic dependencies:");
         case Dependent:
             return QCoreApplication::translate("InstallerCalculator", "Components added as "
-                "dependency for '%1':").arg(installReasonReferencedComponent(component));
+                "dependency for \"%1\":").arg(installReasonReferencedComponent(component));
         case Resolved:
             return QCoreApplication::translate("InstallerCalculator",
                 "Components that have resolved dependencies:");
@@ -108,8 +108,8 @@ void InstallerCalculator::realAppendToInstallComponents(Component *component)
 
 QString InstallerCalculator::recursionError(Component *component)
 {
-    return QCoreApplication::translate("InstallerCalculator", "Recursion detected, component '%1' "
-        "already added with reason: '%2'").arg(component->name(), installReason(component));
+    return QCoreApplication::translate("InstallerCalculator", "Recursion detected, component \"%1\" "
+        "already added with reason: \"%2\"").arg(component->name(), installReason(component));
 }
 
 bool InstallerCalculator::appendComponentsToInstall(const QList<Component *> &components)
@@ -171,7 +171,7 @@ bool InstallerCalculator::appendComponentToInstall(Component *component)
             PackageManagerCore::componentByName(dependencyComponentName, m_allComponents);
         if (!dependencyComponent) {
             const QString errorMessage = QCoreApplication::translate("InstallerCalculator",
-                "Cannot find missing dependency '%1' for '%2'.").arg(dependencyComponentName,
+                "Cannot find missing dependency \"%1\" for \"%2\".").arg(dependencyComponentName,
                 component->name());
             qWarning() << errorMessage;
             m_componentsToInstallError.append(errorMessage);
diff --git a/src/libs/installer/installiconsoperation.cpp b/src/libs/installer/installiconsoperation.cpp
index f9a9096f5..b6613cd5d 100644
--- a/src/libs/installer/installiconsoperation.cpp
+++ b/src/libs/installer/installiconsoperation.cpp
@@ -118,7 +118,7 @@ bool InstallIconsOperation::performOperation()
 
     if (source.isEmpty()) {
         setError(InvalidArguments);
-        setErrorString(tr("Invalid Argument: source folder must not be empty."));
+        setErrorString(tr("Invalid Argument: source directory must not be empty."));
         return false;
     }
 
@@ -167,7 +167,8 @@ bool InstallIconsOperation::performOperation()
                 QFile bf(target);
                 if (!bf.copy(backup)) {
                     setError(UserDefinedError);
-                    setErrorString(tr("Could not backup file %1: %2").arg(target, bf.errorString()));
+                    setErrorString(tr("Cannot backup file \"%1\": %2").arg(
+                                       QDir::toNativeSeparators(target), bf.errorString()));
                     undoOperation();
                     return false;
                 }
@@ -180,7 +181,8 @@ bool InstallIconsOperation::performOperation()
                 QString errStr;
                 if (!deleteFileNowOrLater(target, &errStr)) {
                     setError(UserDefinedError);
-                    setErrorString(tr("Failed to overwrite %1: %2").arg(target, errStr));
+                    setErrorString(tr("Failed to overwrite \"%1\": %2").arg(
+                                       QDir::toNativeSeparators(target), errStr));
                     undoOperation();
                     return false;
                 }
@@ -191,7 +193,8 @@ bool InstallIconsOperation::performOperation()
             QFile cf(source);
             if (!cf.copy(target)) {
                 setError(UserDefinedError);
-                setErrorString(tr("Failed to copy file %1: %2").arg(target, cf.errorString()));
+                setErrorString(tr("Failed to copy file \"%1\": %2").arg(
+                                   QDir::toNativeSeparators(target), cf.errorString()));
                 undoOperation();
                 return false;
             }
@@ -201,7 +204,8 @@ bool InstallIconsOperation::performOperation()
             setValue(QLatin1String("files"), files);
         } else if (fi.isDir() && !QDir(target).exists()) {
             if (!QDir().mkpath(target)) {
-                setErrorString(tr("Could not create folder at %1: %2").arg(target, qt_error_string()));
+                setErrorString(tr("Cannot create directory \"%1\": %2").arg(
+                                   QDir::toNativeSeparators(target), qt_error_string()));
                 undoOperation();
                 return false;
             }
@@ -233,7 +237,7 @@ bool InstallIconsOperation::undoOperation()
 
         QFile installedTarget(target);
         if (installedTarget.exists() && !(installedTarget.copy(source) && installedTarget.remove())) {
-            warningMessages << QString::fromLatin1("Could not move file from '%1' to '%2', error: %3)").arg(
+            warningMessages << QString::fromLatin1("Cannot move file from \"%1\" to \"%2\": %3)").arg(
                 target, source, installedTarget.errorString());
         }
     }
@@ -249,13 +253,13 @@ bool InstallIconsOperation::undoOperation()
             deleteFileNowOrLater(target);
         // then copy the backup onto the target
         if (!QFile::copy(backup, target)) {
-            warningMessages << QString::fromLatin1("Could not restore the backup '%1' to '%2'").arg(
+            warningMessages << QString::fromLatin1("Cannot restore the backup \"%1\" to \"%2\".").arg(
                 backup, target);
         }
 
         // finally remove the backp
         if (!deleteFileNowOrLater(backup))
-            warningMessages << QString::fromLatin1("Could not remove the backup '%1'").arg(backup);
+            warningMessages << QString::fromLatin1("Cannot remove the backup \"%1\".").arg(backup);
 
     }
 
@@ -265,11 +269,11 @@ bool InstallIconsOperation::undoOperation()
         const QDir dir(*it);
         removeSystemGeneratedFiles(dir.absolutePath());
         if (dir.exists() && !QDir::root().rmdir(dir.path()))
-            warningMessages << QString::fromLatin1("Could not remove directory '%1'").arg(dir.path());
+            warningMessages << QString::fromLatin1("Cannot remove directory \"%1\".").arg(dir.path());
     }
 
     if (!warningMessages.isEmpty()) {
-        qWarning() << QString::fromLatin1("Undo of operation '%1' with arguments '%2' had some problems.").arg(
+        qWarning() << QString::fromLatin1("Undo of operation %1 with arguments \"%2\" had some problems.").arg(
             name(), arguments().join(QLatin1String(", ")));
         foreach (const QString &message, warningMessages) {
             qWarning() << message;
diff --git a/src/libs/installer/lib7z_facade.cpp b/src/libs/installer/lib7z_facade.cpp
index 41bce1eb1..e68064204 100644
--- a/src/libs/installer/lib7z_facade.cpp
+++ b/src/libs/installer/lib7z_facade.cpp
@@ -222,7 +222,7 @@ struct DirectoryGuard
             return;
         QDir dir(m_path);
         if (!dir.rmdir(m_path))
-            qWarning() << "Could not delete directory " << m_path;
+            qWarning() << "Cannot delete directory " << m_path;
     }
 
     /*!
@@ -239,7 +239,7 @@ struct DirectoryGuard
             return QStringList();
         if (fi.exists() && !fi.isDir()) {
             throw SevenZipException(QCoreApplication::translate("DirectoryGuard",
-                "Path exists but is not a folder: %1").arg(m_path));
+                "Path \"%1\" exists but is not a directory.").arg(QDir::toNativeSeparators(m_path)));
         }
         QStringList created;
 
@@ -255,7 +255,7 @@ struct DirectoryGuard
         m_created = dir.mkpath(m_path);
         if (!m_created) {
             throw SevenZipException(QCoreApplication::translate("DirectoryGuard",
-                "Could not create folder: %1").arg(m_path));
+                "Cannot create directory \"%1\".").arg(QDir::toNativeSeparators(m_path)));
         }
         return created;
     }
@@ -285,7 +285,7 @@ static NCOM::CPropVariant readProperty(IInArchive *archive, int index, int propI
     NCOM::CPropVariant prop;
     if (archive->GetProperty(index, propId, &prop) != S_OK) {
         throw SevenZipException(QCoreApplication::translate("Lib7z",
-            "Could not retrieve property %1 for item %2").arg(QString::number(propId),
+            "Cannot retrieve property %1 for item %2.").arg(QString::number(propId),
             QString::number(index)));
     }
     return prop;
@@ -317,13 +317,13 @@ static bool getDateTimeProperty(IInArchive *arc, int index, int id, QDateTime *v
     FILETIME ft;
     if (!FileTimeToLocalFileTime(&ft7z, &ft)) {
         throw SevenZipException(QCoreApplication::translate("Lib7z",
-            "Could not convert 7z stored file time to local time."));
+            "Cannot convert file time to local time."));
     }
 
     SYSTEMTIME st;
     if (!BOOLToBool(FileTimeToSystemTime(&ft, &st))) {
         throw SevenZipException(QCoreApplication::translate("Lib7z",
-            "Could not convert local file time to system time."));
+            "Cannot convert local file time to system time."));
     }
     *value = QDateTime(QDate(st.wYear, st.wMonth, st.wDay), QTime(st.wHour, st.wMinute,
         st.wSecond));
@@ -489,7 +489,7 @@ QVector<File> listArchive(QFileDevice *archive)
     try {
         CCodecs codecs;
         if (codecs.Load() != S_OK)
-            throw SevenZipException(QCoreApplication::translate("Lib7z", "Could not load codecs."));
+            throw SevenZipException(QCoreApplication::translate("Lib7z", "Cannot load codecs."));
 
         COpenOptions op;
         op.codecs = &codecs;
@@ -509,7 +509,7 @@ QVector<File> listArchive(QFileDevice *archive)
         CArchiveLink archiveLink;
         if (archiveLink.Open2(op, nullptr) != S_OK) {
             throw SevenZipException(QCoreApplication::translate("Lib7z",
-                "Could not open archive '%1'.").arg(archive->fileName()));
+                "Cannot open archive \"%1\".").arg(archive->fileName()));
         }
 
         QVector<File> flat;
@@ -518,14 +518,14 @@ QVector<File> listArchive(QFileDevice *archive)
             UInt32 numItems = 0;
             if (arch->GetNumberOfItems(&numItems) != S_OK) {
                 throw SevenZipException(QCoreApplication::translate("Lib7z",
-                    "Could not retrieve number of items in archive."));
+                    "Cannot retrieve number of items in archive."));
             }
             flat.reserve(flat.size() + numItems);
             for (uint item = 0; item < numItems; ++item) {
                 UString s;
                 if (archiveLink.Arcs[i].GetItemPath(item, s) != S_OK) {
                     throw SevenZipException(QCoreApplication::translate("Lib7z",
-                        "Could not retrieve path of archive item '%1'.").arg(item));
+                        "Cannot retrieve path of archive item \"%1\".").arg(item));
                 }
                 File f;
                 f.archiveIndex.setX(i);
@@ -585,7 +585,7 @@ STDMETHODIMP ExtractCallback::GetStream(UInt32 index, ISequentialOutStream **out
     UString s;
     if (arc->GetItemPath(index, s) != S_OK) {
         setLastError(QCoreApplication::translate("ExtractCallbackImpl",
-            "Could not retrieve path of archive item %1").arg(index));
+            "Cannot retrieve path of archive item %1.").arg(index));
         return E_FAIL;
     }
 
@@ -613,14 +613,15 @@ STDMETHODIMP ExtractCallback::GetStream(UInt32 index, ISequentialOutStream **out
         // do not follow symlinks, so we need to remove an existing one
         if (fi.isSymLink() && (!QFile::remove(fi.absoluteFilePath()))) {
             setLastError(QCoreApplication::translate("ExtractCallbackImpl",
-                "Could not remove already existing symlink %1.").arg(fi.absoluteFilePath()));
+                "Cannot remove already existing symlink %1.").arg(fi.absoluteFilePath()));
             return E_FAIL;
         }
 #endif
         std::unique_ptr<QFile> file(new QFile(fi.absoluteFilePath()));
         if (!file->open(QIODevice::WriteOnly)) {
-            setLastError(QCoreApplication::translate("ExtractCallbackImpl", "Could not open "
-                "file '%1': %2").arg(fi.absoluteFilePath(), file->errorString()));
+            setLastError(QCoreApplication::translate("ExtractCallbackImpl",
+                                                     "Cannot open file \"%1\" for writing: %2").arg(
+                             QDir::toNativeSeparators(fi.absoluteFilePath()), file->errorString()));
             return E_FAIL;
         }
         CMyComPtr<ISequentialOutStream> stream =
@@ -645,7 +646,7 @@ STDMETHODIMP ExtractCallback::SetOperationResult(Int32 /*resultEOperationResult*
     UString s;
     if (arc->GetItemPath(currentIndex, s) != S_OK) {
         setLastError(QCoreApplication::translate("ExtractCallbackImpl",
-            "Could not retrieve path of archive item %1.").arg(currentIndex));
+            "Cannot retrieve path of archive item %1.").arg(currentIndex));
         return E_FAIL;
     }
 
@@ -669,14 +670,14 @@ STDMETHODIMP ExtractCallback::SetOperationResult(Int32 /*resultEOperationResult*
         QFileInfo symlinkPlaceHolderFileInfo(absFilePath);
         if (symlinkPlaceHolderFileInfo.isSymLink()) {
             setLastError(QCoreApplication::translate("ExtractCallbackImpl",
-                "Could not create symlink at '%1'. Another one is already existing.")
+                "Cannot create symlink at \"%1\". Another one is already existing.")
                 .arg(absFilePath));
             return E_FAIL;
         }
         QFile symlinkPlaceHolderFile(absFilePath);
         if (!symlinkPlaceHolderFile.open(QIODevice::ReadOnly)) {
             setLastError(QCoreApplication::translate("ExtractCallbackImpl",
-                "Could not read symlink target from file '%1'.").arg(absFilePath));
+                "Cannot read symlink target from file \"%1\".").arg(absFilePath));
             return E_FAIL;
         }
 
@@ -686,7 +687,7 @@ STDMETHODIMP ExtractCallback::SetOperationResult(Int32 /*resultEOperationResult*
         QFile targetFile(QString::fromLatin1(symlinkTarget));
         if (!targetFile.link(absFilePath)) {
             setLastError(QCoreApplication::translate("ExtractCallbackImpl",
-                "Could not create symlink at %1: %2.").arg(absFilePath,
+                "Cannot create symlink at %1: %2").arg(absFilePath,
                 targetFile.errorString()));
             return E_FAIL;
         }
@@ -838,8 +839,8 @@ static QString createTmp7z()
 {
     QTemporaryFile file;
     if (!file.open()) {
-        throw SevenZipException(QCoreApplication::translate("Lib7z", "Could not create "
-            "temporary file. Error: %1").arg(file.errorString()));
+        throw SevenZipException(QCoreApplication::translate("Lib7z", "Cannot create "
+            "temporary file: %1").arg(file.errorString()));
     }
 
     file.write(QByteArray::fromHex("377A.BCAF.271C" // Signature.
@@ -923,7 +924,7 @@ void createArchive(const QString &archive, const QStringList &sources, QTmpFile
 
         CCodecs codecs;
         if (codecs.Load() != S_OK)
-            throw SevenZipException(QCoreApplication::translate("Lib7z", "Could not load codecs."));
+            throw SevenZipException(QCoreApplication::translate("Lib7z", "Cannot load codecs."));
 
         CObjectVector<COpenType> types;
         if (!ParseOpenTypes(codecs, options.ArcType, types))
@@ -936,22 +937,26 @@ void createArchive(const QString &archive, const QStringList &sources, QTmpFile
 
         const QFile tempFile(UString2QString(options.ArchiveName));
         if (res != S_OK || !tempFile.exists()) {
-            throw SevenZipException(QCoreApplication::translate("Lib7z", "Could not create "
-                "archive '%1'. %2").arg(tempFile.fileName(), errorMessageFrom7zResult(res)));
+            throw SevenZipException(QCoreApplication::translate("Lib7z", "Cannot create "
+                "archive \"%1\": %2").arg(QDir::toNativeSeparators(tempFile.fileName()),
+                                        errorMessageFrom7zResult(res)));
         }
 
         if (mode == QTmpFile::Yes) {
             QFile org(archive);
             if (org.exists() && !org.remove()) {
-                throw SevenZipException(QCoreApplication::translate("Lib7z", "Could not remove "
-                    "old archive '%1'. Error: %2").arg(org.fileName(), org.errorString()));
+                throw SevenZipException(QCoreApplication::translate("Lib7z", "Cannot remove "
+                    "old archive \"%1\": %2").arg(QDir::toNativeSeparators(org.fileName()),
+                                                org.errorString()));
             }
 
             QFile arc(UString2QString(options.ArchiveName));
             if(!arc.rename(archive)) {
-                throw SevenZipException(QCoreApplication::translate("Lib7z", "Could not rename "
-                    "temporary archive '%1' to '%2'. Error: %3").arg(arc.fileName(), archive,
-                    arc.errorString()));
+                throw SevenZipException(QCoreApplication::translate("Lib7z", "Cannot rename "
+                    "temporary archive \"%1\" to \"%2\": %3").arg(
+                                            QDir::toNativeSeparators(arc.fileName()),
+                                            QDir::toNativeSeparators(archive),
+                                            arc.errorString()));
             }
         }
     } catch (const char *err) {
@@ -992,7 +997,7 @@ void extractArchive(QFileDevice *archive, const QString &directory, ExtractCallb
 
         CCodecs codecs;
         if (codecs.Load() != S_OK)
-            throw SevenZipException(QCoreApplication::translate("Lib7z", "Could not load codecs."));
+            throw SevenZipException(QCoreApplication::translate("Lib7z", "Cannot load codecs."));
 
         COpenOptions op;
         op.codecs = &codecs;
@@ -1012,7 +1017,7 @@ void extractArchive(QFileDevice *archive, const QString &directory, ExtractCallb
         CArchiveLink archiveLink;
         if (archiveLink.Open2(op, nullptr) != S_OK) {
             throw SevenZipException(QCoreApplication::translate("Lib7z",
-                "Could not open archive '%1'.").arg(archive->fileName()));
+                "Cannot open archive \"%1\".").arg(archive->fileName()));
         }
 
         callback->setTarget(directory);
@@ -1049,7 +1054,7 @@ bool isSupportedArchive(QFileDevice *archive)
     try {
         CCodecs codecs;
         if (codecs.Load() != S_OK)
-            throw SevenZipException(QCoreApplication::translate("Lib7z", "Could not load codecs."));
+            throw SevenZipException(QCoreApplication::translate("Lib7z", "Cannot load codecs."));
 
         COpenOptions op;
         op.codecs = &codecs;
diff --git a/src/libs/installer/licenseoperation.cpp b/src/libs/installer/licenseoperation.cpp
index af5d29d98..4721a6108 100644
--- a/src/libs/installer/licenseoperation.cpp
+++ b/src/libs/installer/licenseoperation.cpp
@@ -76,11 +76,10 @@ bool LicenseOperation::performOperation()
     setArguments(QStringList(targetDir));
 
     for (QVariantMap::const_iterator it = licenses.constBegin(); it != licenses.constEnd(); ++it) {
-        QFile file(targetDir + QDir::separator() + it.key());
+        QFile file(targetDir + QLatin1Char('/') + it.key());
         if (!file.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text)) {
             setError(UserDefinedError);
-            setErrorString(tr("Can not write license file: %1.").arg(targetDir + QDir::separator()
-                + it.key()));
+            setErrorString(tr("Can not write license file \"%1\".").arg(QDir::toNativeSeparators(file.fileName())));
             return false;
         }
 
diff --git a/src/libs/installer/linereplaceoperation.cpp b/src/libs/installer/linereplaceoperation.cpp
index c84d1922c..11168b10e 100644
--- a/src/libs/installer/linereplaceoperation.cpp
+++ b/src/libs/installer/linereplaceoperation.cpp
@@ -66,7 +66,8 @@ bool LineReplaceOperation::performOperation()
     QFile file(fileName);
     if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
         setError(UserDefinedError);
-        setErrorString(tr("Failed to open '%1' for reading.").arg(fileName));
+        setErrorString(tr("Cannot open file \"%1\" for reading: %2").arg(
+                           QDir::toNativeSeparators(fileName), file.errorString()));
         return false;
     }
 
@@ -83,7 +84,8 @@ bool LineReplaceOperation::performOperation()
 
     if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
         setError(UserDefinedError);
-        setErrorString(tr("Failed to open '%1' for writing.").arg(fileName));
+        setErrorString(tr("Cannot open file \"%1\" for writing: %2").arg(
+                           QDir::toNativeSeparators(fileName), file.errorString()));
         return false;
     }
 
diff --git a/src/libs/installer/link.cpp b/src/libs/installer/link.cpp
index 9462f5358..f90a6d3c1 100644
--- a/src/libs/installer/link.cpp
+++ b/src/libs/installer/link.cpp
@@ -94,7 +94,7 @@ public:
             OPEN_EXISTING, FILE_FLAG_OPEN_REPARSE_POINT | FILE_FLAG_BACKUP_SEMANTICS, 0);
 
         if (m_dirHandle == INVALID_HANDLE_VALUE) {
-            qWarning() << QString::fromLatin1("Could not open: '%1'; error: %2\n").arg(path)
+            qWarning() << QString::fromLatin1("Cannot open: \"%1\": %2\n").arg(path)
                 .arg(QInstaller::windowsErrorString(GetLastError()));
         }
     }
@@ -144,13 +144,13 @@ QString readWindowsSymLink(const QString &path)
 Link createJunction(const QString &linkPath, const QString &targetPath)
 {
     if (!QDir().mkpath(linkPath)) {
-        qWarning() << QString::fromLatin1("Could not create the mount directory: %1").arg(
+        qWarning() << QString::fromLatin1("Cannot create the mount directory: %1").arg(
             linkPath);
         return Link(linkPath);
     }
     FileHandleWrapper dirHandle(linkPath);
     if (dirHandle.handle() == INVALID_HANDLE_VALUE) {
-        qWarning() << QString::fromLatin1("Could not open: '%1'; error: %2\n").arg(linkPath)
+        qWarning() << QString::fromLatin1("Cannot open: \"%1\": %2\n").arg(linkPath)
             .arg(QInstaller::windowsErrorString(GetLastError()));
         return Link(linkPath);
     }
@@ -181,7 +181,7 @@ Link createJunction(const QString &linkPath, const QString &targetPath)
     if (!::DeviceIoControl(dirHandle.handle(), FSCTL_SET_REPARSE_POINT, reparseStructData,
         reparseStructData->ReparseDataLength + REPARSE_DATA_BUFFER_HEADER_SIZE, 0, 0,
         &bytesReturned, 0)) {
-            qWarning() << QString::fromLatin1("Could not set the reparse point: for '%1' to %2; error: %3"
+            qWarning() << QString::fromLatin1("Cannot set the reparse point for \"%1\" to %2: %3"
                 ).arg(linkPath, targetPath).arg(QInstaller::windowsErrorString(GetLastError()));
     }
     return Link(linkPath);
@@ -203,7 +203,7 @@ bool removeJunction(const QString &path)
             REPARSE_GUID_DATA_BUFFER_HEADER_SIZE, 0, 0,
             &bytesReturned, 0)) {
 
-            qWarning() << QString::fromLatin1("Could not remove the reparse point: '%1'; error: %3"
+            qWarning() << QString::fromLatin1("Cannot remove the reparse point \"'%1\": %3"
                 ).arg(path).arg(QInstaller::windowsErrorString(GetLastError()));
             return false;
         }
@@ -217,7 +217,7 @@ Link createLnSymlink(const QString &linkPath, const QString &targetPath)
     int linkedError = symlink(QFileInfo(targetPath).absoluteFilePath().toUtf8(),
         QFileInfo(linkPath).absoluteFilePath().toUtf8());
     if (linkedError != 0) {
-        qWarning() << QString::fromLatin1("Could not create a symlink: from '%1' to %2; error: %3"
+        qWarning() << QString::fromLatin1("Cannot create a symlink from \"%1\" to \"%2\": %3"
                     ).arg(linkPath, targetPath).arg(linkedError);
     }
 
@@ -245,7 +245,7 @@ Link Link::create(const QString &link, const QString &targetPath)
     if (!linkPathExists)
         linkPathExists = QDir().mkpath(linkPath);
     if (!linkPathExists) {
-        qWarning() << QString::fromLatin1("Could not create the needed directories: %1").arg(
+        qWarning() << QString::fromLatin1("Cannot create the needed directories: %1").arg(
             link);
         return Link(link);
     }
diff --git a/src/libs/installer/messageboxhandler.cpp b/src/libs/installer/messageboxhandler.cpp
index a33810938..368a68e01 100644
--- a/src/libs/installer/messageboxhandler.cpp
+++ b/src/libs/installer/messageboxhandler.cpp
@@ -407,8 +407,8 @@ QMessageBox::StandardButton MessageBoxHandler::showMessageBox(MessageType messag
         messageTypeHash.insert(warningType, QLatin1String("warning"));
     };
 
-    qDebug() << QString::fromLatin1("created %1 message box %2: '%3', %4").arg(messageTypeHash
-        .value(messageType),identifier, title, text);
+    qDebug() << QString::fromLatin1("Created %1 message box %2: \"%3\", %4").arg(messageTypeHash
+        .value(messageType), identifier, title, text);
 
     if (qobject_cast<QApplication*> (qApp) == 0)
         return defaultButton;
diff --git a/src/libs/installer/metadatajob.cpp b/src/libs/installer/metadatajob.cpp
index fa3168e8f..9082c0367 100644
--- a/src/libs/installer/metadatajob.cpp
+++ b/src/libs/installer/metadatajob.cpp
@@ -297,7 +297,7 @@ MetadataJob::Status MetadataJob::parseUpdatesXml(const QList<FileTaskResult> &re
         Metadata metadata;
         QTemporaryDir tmp(QDir::tempPath() + QLatin1String("/remoterepo-XXXXXX"));
         if (!tmp.isValid()) {
-            qDebug() << "Could not create unique temporary directory.";
+            qDebug() << "Cannot create unique temporary directory.";
             return XmlDownloadFailure;
         }
 
@@ -307,20 +307,20 @@ MetadataJob::Status MetadataJob::parseUpdatesXml(const QList<FileTaskResult> &re
 
         QFile file(result.target());
         if (!file.rename(metadata.directory + QLatin1String("/Updates.xml"))) {
-            qDebug() << "Could not rename target to Updates.xml. Error:" << file.errorString();
+            qDebug() << "Cannot rename target to Updates.xml:" << file.errorString();
             return XmlDownloadFailure;
         }
 
         if (!file.open(QIODevice::ReadOnly)) {
-            qDebug() << "Could not open Updates.xml for reading. Error:" << file.errorString();
+            qDebug() << "Cannot open Updates.xml for reading:" << file.errorString();
             return XmlDownloadFailure;
         }
 
         QString error;
         QDomDocument doc;
         if (!doc.setContent(&file, &error)) {
-            qDebug() << QString::fromLatin1("Could not fetch a valid version of Updates.xml from "
-                "repository: %1. Error: %2").arg(metadata.repository.displayname(), error);
+            qDebug() << QString::fromLatin1("Cannot fetch a valid version of Updates.xml from "
+                "repository %1: %2").arg(metadata.repository.displayname(), error);
             return XmlDownloadFailure;
         }
         file.close();
diff --git a/src/libs/installer/metadatajob_p.h b/src/libs/installer/metadatajob_p.h
index 6e9796712..0e2cbf3b6 100644
--- a/src/libs/installer/metadatajob_p.h
+++ b/src/libs/installer/metadatajob_p.h
@@ -39,6 +39,7 @@
 #include "lib7z_facade.h"
 #include "metadatajob.h"
 
+#include <QDir>
 #include <QFile>
 
 namespace QInstaller{
@@ -86,14 +87,14 @@ public:
                 Lib7z::extractArchive(&archive, m_targetDir);
             } catch (const Lib7z::SevenZipException& e) {
                 fi.reportException(UnzipArchiveException(MetadataJob::tr("Error while extracting "
-                    "'%1': %2").arg(m_archive, e.message())));
+                    "archive \"%1\": %2").arg(QDir::toNativeSeparators(m_archive), e.message())));
             } catch (...) {
                 fi.reportException(UnzipArchiveException(MetadataJob::tr("Unknown exception "
-                    "caught while extracting %1.").arg(m_archive)));
+                    "caught while extracting archive \"%1\".").arg(QDir::toNativeSeparators(m_archive))));
             }
         } else {
-            fi.reportException(UnzipArchiveException(MetadataJob::tr("Could not open %1 for "
-                "reading. Error: %2").arg(m_archive, archive.errorString())));
+            fi.reportException(UnzipArchiveException(MetadataJob::tr("Cannot open file \"%1\" for "
+                "reading: %2").arg(QDir::toNativeSeparators(m_archive), archive.errorString())));
         }
 
         fi.reportFinished();
diff --git a/src/libs/installer/packagemanagercore.cpp b/src/libs/installer/packagemanagercore.cpp
index 9efee0465..1bb800b4a 100644
--- a/src/libs/installer/packagemanagercore.cpp
+++ b/src/libs/installer/packagemanagercore.cpp
@@ -657,7 +657,7 @@ int PackageManagerCore::downloadNeededArchives(double partProgressSize)
         throw Error(archivesJob.errorString());
 
     if (d->statusCanceledOrFailed())
-        throw Error(tr("Installation canceled by user"));
+        throw Error(tr("Installation canceled by user."));
 
     ProgressCoordinator::instance()->emitDownloadStatus(tr("All downloads finished."));
 
@@ -749,7 +749,7 @@ void PackageManagerCore::rollBackInstallation()
         } catch (const Error &e) {
             MessageBoxHandler::critical(MessageBoxHandler::currentBestSuitParent(),
                 QLatin1String("ElevationError"), tr("Authentication Error"), tr("Some components "
-                "could not be removed completely because admin rights could not be acquired: %1.")
+                "could not be removed completely because administrative rights could not be acquired: %1.")
                 .arg(e.message()));
         } catch (...) {
             MessageBoxHandler::critical(MessageBoxHandler::currentBestSuitParent(), QLatin1String("unknown"),
@@ -966,7 +966,7 @@ bool PackageManagerCore::fetchLocalPackagesTree()
     d->setStatus(Running);
 
     if (!isPackageManager()) {
-        d->setStatus(Failure, tr("Application not running in Package Manager mode!"));
+        d->setStatus(Failure, tr("Application not running in Package Manager mode."));
         return false;
     }
 
@@ -988,7 +988,7 @@ bool PackageManagerCore::fetchLocalPackagesTree()
         component->loadDataFromPackage(installedPackages.value(key));
         const QString &name = component->name();
         if (components.contains(name)) {
-            qCritical("Could not register component! Component with identifier %s already registered.",
+            qCritical("Cannot register component! Component with identifier %s already registered.",
                 qPrintable(name));
             continue;
         }
@@ -1074,7 +1074,7 @@ bool PackageManagerCore::fetchRemotePackagesTree()
     d->setStatus(Running);
 
     if (isUninstaller()) {
-        d->setStatus(Failure, tr("Application running in Uninstaller mode!"));
+        d->setStatus(Failure, tr("Application running in Uninstaller mode."));
         return false;
     }
 
@@ -2330,7 +2330,7 @@ bool PackageManagerCore::updateComponentData(struct Data &data, Component *compo
         // check if we already added the component to the available components list
         const QString name = data.package->data(scName).toString();
         if (data.components->contains(name)) {
-            qCritical("Could not register component! Component with identifier %s already registered.",
+            qCritical("Cannot register component! Component with identifier %s already registered.",
                 qPrintable(name));
             return false;
         }
diff --git a/src/libs/installer/packagemanagercore_p.cpp b/src/libs/installer/packagemanagercore_p.cpp
index ceb1e2f60..84eb057c2 100644
--- a/src/libs/installer/packagemanagercore_p.cpp
+++ b/src/libs/installer/packagemanagercore_p.cpp
@@ -753,7 +753,7 @@ void PackageManagerCorePrivate::writeMaintenanceConfigFiles()
     if (cfg.status() != QSettingsWrapper::NoError) {
         const QString reason = cfg.status() == QSettingsWrapper::AccessError ? tr("Access error")
             : tr("Format error");
-        throw Error(tr("Could not write installer configuration to %1: %2").arg(iniPath, reason));
+        throw Error(tr("Cannot write installer configuration to %1: %2").arg(iniPath, reason));
     }
 
     QFile file(targetDir() + QLatin1Char('/') + QLatin1String("network.xml"));
@@ -1009,13 +1009,13 @@ void PackageManagerCorePrivate::writeMaintenanceToolBinary(QFile *const input, q
         {
             QFile dummy(resourcePath.filePath(QLatin1String("installer.dat")));
             if (dummy.exists() && !dummy.remove()) {
-                throw Error(tr("Could not remove data file '%1': %2").arg(dummy.fileName(),
+                throw Error(tr("Cannot remove data file \"%1\": %2").arg(dummy.fileName(),
                     dummy.errorString()));
             }
         }
 
         if (!dataOut.rename(resourcePath.filePath(QLatin1String("installer.dat")))) {
-            throw Error(tr("Could not write maintenance tool data to %1: %2").arg(out.fileName(),
+            throw Error(tr("Cannot write maintenance tool data to %1: %2").arg(out.fileName(),
                 out.errorString()));
         }
         dataOut.setAutoRemove(false);
@@ -1034,13 +1034,13 @@ void PackageManagerCorePrivate::writeMaintenanceToolBinary(QFile *const input, q
     {
         QFile dummy(maintenanceToolRenamedName);
         if (dummy.exists() && !dummy.remove()) {
-            throw Error(tr("Could not remove data file '%1': %2").arg(dummy.fileName(),
+            throw Error(tr("Cannot remove data file \"%1\": %2").arg(dummy.fileName(),
                 dummy.errorString()));
         }
     }
 
     if (!out.copy(maintenanceToolRenamedName)) {
-        throw Error(tr("Could not write maintenance tool to %1: %2").arg(maintenanceToolRenamedName,
+        throw Error(tr("Cannot write maintenance tool to \"%1\": %2").arg(maintenanceToolRenamedName,
             out.errorString()));
     }
 
@@ -1072,8 +1072,8 @@ void PackageManagerCorePrivate::writeMaintenanceToolBinaryData(QFileDevice *outp
             file.remove();  // clear all possible leftovers
             m_core->setValue(QString::fromLatin1("DefaultResourceReplacement"), QString());
         } else {
-            qWarning() << QString::fromLatin1("Could not replace default resource with '%1'.")
-                .arg(newDefaultResource);
+            qWarning() << QString::fromLatin1("Cannot replace default resource with \"%1\".")
+                .arg(QDir::toNativeSeparators(newDefaultResource));
         }
     }
 
@@ -1261,17 +1261,17 @@ void PackageManagerCorePrivate::writeMaintenanceTool(OperationList performedOper
             if (!replacementBinary.remove()) {
                 // Is there anything more sensible we can do with this error? I think not. It's not serious
                 // enough for throwing / aborting the process.
-                qDebug() << QString::fromLatin1("Could not remove installer base binary '%1' after updating "
+                qDebug() << QString::fromLatin1("Cannot remove installer base binary \"%1\" after updating "
                     "the maintenance tool: %2").arg(installerBaseBinary, replacementBinary.errorString());
             } else {
-                qDebug() << QString::fromLatin1("Removed installer base binary '%1' after updating the "
+                qDebug() << QString::fromLatin1("Removed installer base binary \"%1\" after updating the "
                     "maintenance tool.").arg(installerBaseBinary);
             }
             m_installerBaseBinaryUnreplaced.clear();
         } else if (!installerBaseBinary.isEmpty() && !QFileInfo(installerBaseBinary).exists()) {
             qWarning() << QString::fromLatin1("The current maintenance tool could not be "
-                "updated. '%1' does not exist. Please fix the 'setInstallerBaseBinary(<temp_installer_base_"
-                "binary_path>)' call in your script.").arg(installerBaseBinary);
+                "updated. \"%1\" does not exist. Please fix the \"setInstallerBaseBinary(<temp_installer_base_"
+                "binary_path>)\" call in your script.").arg(installerBaseBinary);
         }
 
         QFile input;
@@ -1281,7 +1281,7 @@ void PackageManagerCorePrivate::writeMaintenanceTool(OperationList performedOper
         try {
             if (isInstaller()) {
                 if (QFile::exists(dataFile)) {
-                    qWarning() << QString::fromLatin1("Found binary data file '%1' but "
+                    qWarning() << QString::fromLatin1("Found binary data file \"%1\" but "
                         "deliberately not used. Running as installer requires to read the "
                         "resources from the application binary.").arg(dataFile);
                 }
@@ -1332,12 +1332,12 @@ void PackageManagerCorePrivate::writeMaintenanceTool(OperationList performedOper
 
             QFile dummy(dataFile + QLatin1String(".new"));
             if (dummy.exists() && !dummy.remove()) {
-                throw Error(tr("Could not remove data file '%1': %2").arg(dummy.fileName(),
+                throw Error(tr("Cannot remove data file \"%1\": %2").arg(dummy.fileName(),
                     dummy.errorString()));
             }
 
             if (!file.rename(dataFile + QLatin1String(".new"))) {
-                throw Error(tr("Could not write maintenance tool binary data to %1: %2")
+                throw Error(tr("Cannot write maintenance tool binary data to %1: %2")
                     .arg(file.fileName(), file.errorString()));
             }
             file.setAutoRemove(false);
@@ -1864,7 +1864,7 @@ void PackageManagerCorePrivate::installComponent(Component *component, double pr
         bool ignoreError = false;
         bool ok = performOperationThreaded(operation);
         while (!ok && !ignoreError && m_core->status() != PackageManagerCore::Canceled) {
-            qDebug() << QString::fromLatin1("Operation '%1' with arguments: '%2' failed: %3")
+            qDebug() << QString::fromLatin1("Operation \"%1\" with arguments \"%2\" failed: %3")
                 .arg(operation->name(), operation->arguments().join(QLatin1String("; ")),
                 operation->errorString());
             const QMessageBox::StandardButton button =
@@ -2111,7 +2111,7 @@ PackagesList PackageManagerCorePrivate::remotePackages()
     m_updateFinder->run();
 
     if (m_updateFinder->updates().isEmpty()) {
-        setStatus(PackageManagerCore::Failure, tr("Could not retrieve remote tree: %1.")
+        setStatus(PackageManagerCore::Failure, tr("Cannot retrieve remote tree %1.")
             .arg(m_updateFinder->errorString()));
         return PackagesList();
     }
@@ -2144,7 +2144,7 @@ LocalPackagesHash PackageManagerCorePrivate::localInstalledPackages()
     }
 
     if (m_localPackageHub->error() != LocalPackageHub::NoError) {
-        setStatus(PackageManagerCore::Failure, tr("Failure to read packages from: %1.")
+        setStatus(PackageManagerCore::Failure, tr("Failure to read packages from %1.")
             .arg(componentsXmlPath()));
     }
 
@@ -2170,7 +2170,7 @@ bool PackageManagerCorePrivate::fetchMetaInformationFromRepositories()
         m_metadataJob.start();
         m_metadataJob.waitForFinished();
     } catch (Error &error) {
-        setStatus(PackageManagerCore::Failure, tr("Could not retrieve meta information: %1")
+        setStatus(PackageManagerCore::Failure, tr("Cannot retrieve meta information: %1")
             .arg(error.message()));
         return m_repoFetched;
     }
@@ -2221,7 +2221,7 @@ bool PackageManagerCorePrivate::addUpdateResourcesFromRepositories(bool parseChe
                 QInstaller::openForRead(&updatesFile);
             } catch(const Error &e) {
                 qDebug() << "Error opening Updates.xml:" << e.message();
-                setStatus(PackageManagerCore::Failure, tr("Could not add temporary update source information."));
+                setStatus(PackageManagerCore::Failure, tr("Cannot add temporary update source information."));
                 return false;
             }
 
@@ -2232,7 +2232,7 @@ bool PackageManagerCorePrivate::addUpdateResourcesFromRepositories(bool parseChe
             if (!doc.setContent(&updatesFile, &error, &line, &column)) {
                 qDebug() << QString::fromLatin1("Parse error in file %4: %1 at line %2 col %3").arg(error,
                     QString::number(line), QString::number(column), updatesFile.fileName());
-                setStatus(PackageManagerCore::Failure, tr("Could not add temporary update source information."));
+                setStatus(PackageManagerCore::Failure, tr("Cannot add temporary update source information."));
                 return false;
             }
 
@@ -2245,7 +2245,7 @@ bool PackageManagerCorePrivate::addUpdateResourcesFromRepositories(bool parseChe
     }
 
     if (m_packageSources.count() == 0) {
-        setStatus(PackageManagerCore::Failure, tr("Could not find any update source information."));
+        setStatus(PackageManagerCore::Failure, tr("Cannot find any update source information."));
         return false;
     }
 
@@ -2310,7 +2310,7 @@ OperationList PackageManagerCorePrivate::sortOperationsBasedOnComponentDependenc
 
     const QStringList resolvedComponents = componentGraph.sort();
     if (componentGraph.hasCycle()) {
-        throw Error(tr("Dependency cycle between components detected: '%1' and '%2'.")
+        throw Error(tr("Dependency cycle between components \"%1\" and \"%2\" detected.")
             .arg(componentGraph.cycle().first, componentGraph.cycle().second));
     }
     foreach (const QString &componentName, resolvedComponents)
@@ -2335,7 +2335,7 @@ void PackageManagerCorePrivate::processFilesForDelayedDeletion()
     foreach (const QString &i, filesForDelayedDeletion) {
         QFile file(i);   //TODO: this should happen asnyc and report errors, I guess
         if (file.exists() && !file.remove()) {
-            qWarning("Could not delete file %s: %s", qPrintable(i),
+            qWarning("Cannot delete file %s: %s", qPrintable(i),
                 qPrintable(file.errorString()));
             m_filesForDelayedDeletion << i; // try again next time
         }
diff --git a/src/libs/installer/packagemanagergui.cpp b/src/libs/installer/packagemanagergui.cpp
index a180f3a7a..d25e9f486 100644
--- a/src/libs/installer/packagemanagergui.cpp
+++ b/src/libs/installer/packagemanagergui.cpp
@@ -2159,7 +2159,7 @@ TargetDirectoryPage::TargetDirectoryPage(PackageManagerCore *core)
     QLabel *msgLabel = new QLabel(this);
     msgLabel->setWordWrap(true);
     msgLabel->setObjectName(QLatin1String("MessageLabel"));
-    msgLabel->setText(tr("Please specify the folder where %1 will be installed.").arg(productName()));
+    msgLabel->setText(tr("Please specify the directory where %1 will be installed.").arg(productName()));
     layout->addWidget(msgLabel);
 
     QHBoxLayout *hlayout = new QHBoxLayout;
@@ -2267,14 +2267,14 @@ bool TargetDirectoryPage::validatePage()
 
         QFileInfo fi2(targetDir + QDir::separator() + fileName);
         if (fi2.exists()) {
-            return failWithError(QLatin1String("TargetDirectoryInUse"), tr("The folder you selected already "
+            return failWithError(QLatin1String("TargetDirectoryInUse"), tr("The directory you selected already "
                 "exists and contains an installation. Choose a different target for installation."));
         }
 
         return askQuestion(QLatin1String("OverwriteTargetDirectory"),
-            tr("You have selected an existing, non-empty folder for installation.\nNote that it will be "
+            tr("You have selected an existing, non-empty directory for installation.\nNote that it will be "
             "completely wiped on uninstallation of this application.\nIt is not advisable to install into "
-            "this folder as installation might fail.\nDo you want to continue?"));
+            "this directory as installation might fail.\nDo you want to continue?"));
     } else if (fi.isFile() || fi.isSymLink()) {
         return failWithError(QLatin1String("WrongTargetDirectory"), tr("You have selected an existing file "
             "or symlink, please choose a different target for installation."));
@@ -2329,7 +2329,7 @@ bool TargetDirectoryPage::isComplete() const
 QString TargetDirectoryPage::targetDirWarning() const
 {
     if (targetDir().isEmpty())
-        return tr("The installation path cannot be empty, please specify a valid folder.");
+        return tr("The installation path cannot be empty, please specify a valid directory.");
 
     QDir target(targetDir());
     if (target.isRelative())
@@ -2392,7 +2392,7 @@ QString TargetDirectoryPage::targetDirWarning() const
     }
 
     if (nativeTargetDir.endsWith(QLatin1Char('.')))
-        return tr("The installation path must not end with '.', please specify a valid folder.");
+        return tr("The installation path must not end with '.', please specify a valid directory.");
 
     QString ambiguousChars = QLatin1String("[\"~<>|?*!@#$%^&:,; ]"
         "|(\\\\CON)|(\\\\PRN)|(\\\\AUX)|(\\\\NUL)|(\\\\COM\\d)|(\\\\LPT\\d)");
@@ -2407,8 +2407,8 @@ QString TargetDirectoryPage::targetDirWarning() const
     // check if there are not allowed characters in the target path
     QRegularExpressionMatch match = ambCharRegEx.match(nativeTargetDir);
     if (match.hasMatch()) {
-        return tr("The installation path must not contain '%1', "
-            "please specify a valid folder.").arg(match.captured(0));
+        return tr("The installation path must not contain \"%1\", "
+            "please specify a valid directory.").arg(match.captured(0));
     }
 
     return QString();
@@ -2453,7 +2453,7 @@ StartMenuDirectoryPage::StartMenuDirectoryPage(PackageManagerCore *core)
     setObjectName(QLatin1String("StartMenuDirectoryPage"));
     setColoredTitle(tr("Start Menu shortcuts"));
     setColoredSubTitle(tr("Select the Start Menu in which you would like to create the program's "
-        "shortcuts. You can also enter a name to create a new folder."));
+        "shortcuts. You can also enter a name to create a new directory."));
 
     m_lineEdit = new QLineEdit(this);
     m_lineEdit->setText(core->value(scStartMenuDir, productName()));
@@ -2610,7 +2610,7 @@ void ReadyForInstallationPage::entering()
 
     // at the moment there is no better way to check this
     if (targetVolume.size() == 0 && installVolumeAvailableSize == 0) {
-        qDebug() << QString::fromLatin1("Could not determine available space on device. Volume "
+        qDebug() << QString::fromLatin1("Cannot determine available space on device. Volume "
             "descriptor: %1, Mount path: %2. Continue silently.").arg(targetVolume
             .volumeDescriptor(), targetVolume.mountPath());
         return;     // TODO: Shouldn't this also disable the "Next" button?
@@ -2618,11 +2618,11 @@ void ReadyForInstallationPage::entering()
 
     const bool tempOnSameVolume = (targetVolume == tempVolume);
     if (tempOnSameVolume) {
-        qDebug() << "Tmp and install folder are on the same volume. Volume mount point:"
+        qDebug() << "Tmp and install directories are on the same volume. Volume mount point:"
             << targetVolume.mountPath() << "Free space available:"
             << humanReadableSize(installVolumeAvailableSize);
     } else {
-        qDebug() << "Tmp is on a different volume than the install folder. Tmp volume mount point:"
+        qDebug() << "Tmp is on a different volume than the installation directory. Tmp volume mount point:"
             << tempVolume.mountPath() << "Free space available:"
             << humanReadableSize(tempVolumeAvailableSize) << "Install volume mount point:"
             << targetVolume.mountPath() << "Free space available:"
@@ -2654,7 +2654,7 @@ void ReadyForInstallationPage::entering()
 
     if (tempOnSameVolume && (installVolumeAvailableSize <= (required + tempRequired))) {
         m_msgLabel->setText(tr("Not enough disk space to store temporary files and the "
-            "installation! Available space: %1, at least required %2.")
+            "installation. %1 are available, while %2 are at least required.")
             .arg(humanReadableSize(installVolumeAvailableSize),
             humanReadableSize(required + tempRequired)));
         setComplete(false);
@@ -2662,16 +2662,16 @@ void ReadyForInstallationPage::entering()
     }
 
     if (installVolumeAvailableSize < required) {
-        m_msgLabel->setText(tr("Not enough disk space to store all selected components! Available "
-            "space: %1, at least required: %2.").arg(humanReadableSize(installVolumeAvailableSize),
+        m_msgLabel->setText(tr("Not enough disk space to store all selected components! %1 are available "
+            "while %2 are at least required.").arg(humanReadableSize(installVolumeAvailableSize),
             humanReadableSize(required)));
         setComplete(false);
         return;
     }
 
     if (tempVolumeAvailableSize < tempRequired) {
-        m_msgLabel->setText(tr("Not enough disk space to store temporary files! Available space: "
-            "%1, at least required: %2.").arg(humanReadableSize(tempVolumeAvailableSize),
+        m_msgLabel->setText(tr("Not enough disk space to store temporary files! %1 are available "
+            "while %2 are at least required.").arg(humanReadableSize(tempVolumeAvailableSize),
             humanReadableSize(tempRequired)));
         setComplete(false);
         return;
diff --git a/src/libs/installer/qtpatch.cpp b/src/libs/installer/qtpatch.cpp
index 963865c7b..88020fddb 100644
--- a/src/libs/installer/qtpatch.cpp
+++ b/src/libs/installer/qtpatch.cpp
@@ -174,7 +174,7 @@ bool QtPatch::patchTextFile(const QString &fileName,
     QFile file(fileName);
 
     if (!file.open(QFile::ReadOnly)) {
-        qDebug() << QString::fromLatin1("qpatch: warning: Open the file '%1' stopped: %2").arg(
+        qDebug() << QString::fromLatin1("Cannot open file \"%1\" for patching: %2").arg(
             fileName, file.errorString());
         return false;
     }
@@ -189,7 +189,7 @@ bool QtPatch::patchTextFile(const QString &fileName,
     }
 
     if (!file.open(QFile::WriteOnly | QFile::Truncate)) {
-        qDebug() << QString::fromLatin1("qpatch: error: file '%1' not writable").arg(fileName);
+        qDebug() << QString::fromLatin1("File \"%1\" not writable.").arg(fileName);
         return false;
     }
 
@@ -209,7 +209,7 @@ bool QtPatch::openFileForPatching(QFile *file)
         }
         return file->openMode() == QFile::ReadWrite;
     }
-    qDebug() << QString::fromLatin1("qpatch: error: File '%1 is open, so it cannot be opened again.").arg(
+    qDebug() << QString::fromLatin1("File \"%1\" is open, so it cannot be opened again.").arg(
         file->fileName());
     return false;
 }
diff --git a/src/libs/installer/remoteclient_p.h b/src/libs/installer/remoteclient_p.h
index 9baef7aa9..9762de3a3 100644
--- a/src/libs/installer/remoteclient_p.h
+++ b/src/libs/installer/remoteclient_p.h
@@ -132,8 +132,8 @@ public:
                 const QMessageBox::Button res =
                     MessageBoxHandler::critical(MessageBoxHandler::currentBestSuitParent(),
                     QLatin1String("AuthorizationError"),
-                    QCoreApplication::translate("RemoteClient", "Could not get authorization."),
-                    QCoreApplication::translate("RemoteClient", "Could not get authorization that "
+                    QCoreApplication::translate("RemoteClient", "Cannot get authorization."),
+                    QCoreApplication::translate("RemoteClient", "Cannot get authorization that "
                         "is needed for continuing the installation.\n Either abort the "
                         "installation or use the fallback solution by running\n\n%1\n\nas root "
                         "and then clicking OK.").arg(fallback),
diff --git a/src/libs/installer/remoteobject.h b/src/libs/installer/remoteobject.h
index 18cd1ccbb..8db843177 100644
--- a/src/libs/installer/remoteobject.h
+++ b/src/libs/installer/remoteobject.h
@@ -97,7 +97,7 @@ public:
         QByteArray data;
         while (!receivePacket(m_socket, &command, &data)) {
             if (!m_socket->waitForReadyRead(-1)) {
-                throw Error(tr("Could not read all data after sending command: %1. "
+                throw Error(tr("Cannot read all data after sending command: %1. "
                     "Bytes expected: %2, Bytes received: %3. Error: %4").arg(name).arg(0)
                     .arg(m_socket->bytesAvailable()).arg(m_socket->errorString()));
             }
diff --git a/src/libs/installer/replaceoperation.cpp b/src/libs/installer/replaceoperation.cpp
index 98a0e7bc9..8911534bb 100644
--- a/src/libs/installer/replaceoperation.cpp
+++ b/src/libs/installer/replaceoperation.cpp
@@ -66,7 +66,8 @@ bool ReplaceOperation::performOperation()
     QFile file(fileName);
     if (!file.open(QIODevice::ReadOnly)) {
         setError(UserDefinedError);
-        setErrorString(tr("Failed to open %1 for reading").arg(fileName));
+        setErrorString(tr("Cannot open file \"%1\" for reading: %2").arg(
+                           QDir::toNativeSeparators(fileName), file.errorString()));
         return false;
     }
 
@@ -76,7 +77,8 @@ bool ReplaceOperation::performOperation()
 
     if (!file.open(QIODevice::WriteOnly)) {
         setError(UserDefinedError);
-        setErrorString(tr("Failed to open %1 for writing").arg(fileName));
+        setErrorString(tr("Cannot open file \"%1\" for writing: %2").arg(
+                           QDir::toNativeSeparators(fileName), file.errorString()));
         return false;
     }
 
diff --git a/src/libs/installer/scriptengine.cpp b/src/libs/installer/scriptengine.cpp
index e3f82194c..eebfdf214 100644
--- a/src/libs/installer/scriptengine.cpp
+++ b/src/libs/installer/scriptengine.cpp
@@ -372,7 +372,7 @@ QJSValue ScriptEngine::loadInContext(const QString &context, const QString &file
 {
     QFile file(fileName);
     if (!file.open(QIODevice::ReadOnly)) {
-        throw Error(tr("Could not open the requested script file at %1: %2.")
+        throw Error(tr("Cannot open script file at %1: %2")
             .arg(fileName, file.errorString()));
     }
 
@@ -390,9 +390,10 @@ QJSValue ScriptEngine::loadInContext(const QString &context, const QString &file
     QJSValue scriptContext = evaluate(scriptContent, fileName);
     scriptContext.setProperty(QLatin1String("Uuid"), QUuid::createUuid().toString());
     if (scriptContext.isError()) {
-        throw Error(tr("Exception while loading the component script '%1'. (%2)").arg(
-            QFileInfo(file).absoluteFilePath(), scriptContext.toString().isEmpty() ?
-            QString::fromLatin1("Unknown error.") : scriptContext.toString()));
+        throw Error(tr("Exception while loading the component script \"%1\": %2").arg(
+                        QDir::toNativeSeparators(QFileInfo(file).absoluteFilePath()),
+                        scriptContext.toString().isEmpty() ?
+                            tr("Unknown error.") : scriptContext.toString()));
     }
     return scriptContext;
 }
diff --git a/src/libs/installer/selfrestartoperation.cpp b/src/libs/installer/selfrestartoperation.cpp
index 8b1f6b0e8..54df7aa9e 100644
--- a/src/libs/installer/selfrestartoperation.cpp
+++ b/src/libs/installer/selfrestartoperation.cpp
@@ -54,7 +54,7 @@ bool SelfRestartOperation::performOperation()
     PackageManagerCore *const core = value(QLatin1String("installer")).value<PackageManagerCore*>();
     if (!core) {
         setError(UserDefinedError);
-        setErrorString(tr("Installer object needed in '%1' operation is empty.").arg(name()));
+        setErrorString(tr("Installer object needed in operation %1 is empty.").arg(name()));
         return false;
     }
 
diff --git a/src/libs/installer/settings.cpp b/src/libs/installer/settings.cpp
index bf13a22d8..f46388d2d 100644
--- a/src/libs/installer/settings.cpp
+++ b/src/libs/installer/settings.cpp
@@ -104,7 +104,7 @@ static QStringList readArgumentAttributes(QXmlStreamReader &reader, Settings::Pa
         switch (token) {
             case QXmlStreamReader::StartElement: {
                 if (!reader.attributes().isEmpty()) {
-                    raiseError(reader, QString::fromLatin1("Unexpected attribute for element '%1'.")
+                    raiseError(reader, QString::fromLatin1("Unexpected attribute for element \"%1\".")
                         .arg(reader.name().toString()), parseMode);
                     return arguments;
                 } else {
@@ -112,7 +112,7 @@ static QStringList readArgumentAttributes(QXmlStreamReader &reader, Settings::Pa
                         (lc) ? arguments.append(reader.readElementText().toLower()) :
                                arguments.append(reader.readElementText());
                     } else {
-                        raiseError(reader, QString::fromLatin1("Unexpected element '%1'.").arg(reader.name()
+                        raiseError(reader, QString::fromLatin1("Unexpected element \"%1\".").arg(reader.name()
                             .toString()), parseMode);
                         return arguments;
                     }
@@ -154,23 +154,23 @@ static QSet<Repository> readRepositories(QXmlStreamReader &reader, bool isDefaul
                 } else if (reader.name() == QLatin1String("Enabled")) {
                     repo.setEnabled(bool(reader.readElementText().toInt()));
                 } else {
-                    raiseError(reader, QString::fromLatin1("Unexpected element '%1'.").arg(reader.name()
+                    raiseError(reader, QString::fromLatin1("Unexpected element \"%1\".").arg(reader.name()
                         .toString()), parseMode);
                 }
 
                 if (!reader.attributes().isEmpty()) {
-                    raiseError(reader, QString::fromLatin1("Unexpected attribute for element '%1'.")
+                    raiseError(reader, QString::fromLatin1("Unexpected attribute for element \"%1\".")
                         .arg(reader.name().toString()), parseMode);
                 }
             }
             set.insert(repo);
         } else {
-            raiseError(reader, QString::fromLatin1("Unexpected element '%1'.").arg(reader.name().toString()),
+            raiseError(reader, QString::fromLatin1("Unexpected element \"%1\".").arg(reader.name().toString()),
                 parseMode);
         }
 
         if (!reader.attributes().isEmpty()) {
-            raiseError(reader, QString::fromLatin1("Unexpected attribute for element '%1'.").arg(reader
+            raiseError(reader, QString::fromLatin1("Unexpected attribute for element \"%1\".").arg(reader
                 .name().toString()), parseMode);
         }
     }
@@ -237,12 +237,12 @@ Settings Settings::fromFileAndPrefix(const QString &path, const QString &prefix,
         file.setFileName(overrideConfig.fileName());
 
     if (!file.open(QIODevice::ReadOnly))
-        throw Error(tr("Could not open settings file %1 for reading: %2").arg(path, file.errorString()));
+        throw Error(tr("Cannot open settings file %1 for reading: %2").arg(path, file.errorString()));
 
     QXmlStreamReader reader(&file);
     if (reader.readNextStartElement()) {
         if (reader.name() != QLatin1String("Installer")) {
-            reader.raiseError(QString::fromLatin1("Unexpected element '%1' as root element.").arg(reader
+            reader.raiseError(QString::fromLatin1("Unexpected element \"%1\" as root element.").arg(reader
                 .name().toString()));
         }
     }
@@ -265,15 +265,15 @@ Settings Settings::fromFileAndPrefix(const QString &path, const QString &prefix,
     while (reader.readNextStartElement()) {
         const QString name = reader.name().toString();
         if (!elementList.contains(name))
-            raiseError(reader, QString::fromLatin1("Unexpected element '%1'.").arg(name), parseMode);
+            raiseError(reader, QString::fromLatin1("Unexpected element \"%1\".").arg(name), parseMode);
 
         if (!reader.attributes().isEmpty()) {
-            raiseError(reader, QString::fromLatin1("Unexpected attribute for element '%1'.").arg(name),
+            raiseError(reader, QString::fromLatin1("Unexpected attribute for element \"%1\".").arg(name),
                 parseMode);
         }
 
         if (s.d->m_data.contains(name))
-            reader.raiseError(QString::fromLatin1("Element '%1' has been defined before.").arg(name));
+            reader.raiseError(QString::fromLatin1("Element \"%1\" has been defined before.").arg(name));
 
         if (name == scTranslations) {
             s.setTranslations(readArgumentAttributes(reader, parseMode, QLatin1String("Translation"), true));
diff --git a/src/libs/installer/settingsoperation.cpp b/src/libs/installer/settingsoperation.cpp
index 9a9d7c471..2cb36bf48 100644
--- a/src/libs/installer/settingsoperation.cpp
+++ b/src/libs/installer/settingsoperation.cpp
@@ -69,7 +69,7 @@ bool SettingsOperation::checkArguments()
 
     if (!missingArguments.isEmpty()) {
         setError(InvalidArguments);
-        setErrorString(tr("Missing argument(s) '%1' calling '%2' with arguments '%3'.").arg(
+        setErrorString(tr("Missing argument(s) \"%1\" calling %2 with arguments \"%3\".").arg(
             missingArguments.join(QLatin1String("; ")), name(), arguments().join(QLatin1String("; "))));
         return false;
     }
@@ -79,7 +79,7 @@ bool SettingsOperation::checkArguments()
 
     if (!possibleMethodValues.contains(method)) {
         setError(InvalidArguments);
-        setErrorString(tr("Current method argument calling '%1' with arguments '%2' is not "
+        setErrorString(tr("Current method argument calling \"%1\" with arguments \"%2\" is not "
             "supported. Please use set, remove, add_array_value or remove_array_value.").arg(name(),
             arguments().join(QLatin1String("; "))));
         return false;
diff --git a/src/libs/installer/simplemovefileoperation.cpp b/src/libs/installer/simplemovefileoperation.cpp
index 54a5583ee..ce643020d 100644
--- a/src/libs/installer/simplemovefileoperation.cpp
+++ b/src/libs/installer/simplemovefileoperation.cpp
@@ -34,6 +34,7 @@
 
 #include "simplemovefileoperation.h"
 
+#include <QDir>
 #include <QtCore/QFileInfo>
 
 namespace QInstaller {
@@ -58,8 +59,8 @@ bool SimpleMoveFileOperation::performOperation()
 
     if (source.isEmpty() || target.isEmpty()) {
         setError(UserDefinedError);
-        setErrorString(tr("None of the arguments can be empty: source '%1', target '%2'.")
-            .arg(source, target));
+        setErrorString(tr("None of the arguments can be empty: source \"%1\", target \"%2\".")
+            .arg(QDir::toNativeSeparators(source), QDir::toNativeSeparators(target)));
         return false;
     }
 
@@ -69,8 +70,8 @@ bool SimpleMoveFileOperation::performOperation()
     if (file.exists()) {
         if (!file.remove()) {
             setError(UserDefinedError);
-            setErrorString(tr("Cannot move source '%1' to target '%2', because target exists and is "
-                "not removable.").arg(source, target));
+            setErrorString(tr("Cannot move file from \"%1\" to \"%2\", because the target path exists and is "
+                "not removable.").arg(QDir::toNativeSeparators(source), QDir::toNativeSeparators(target)));
             return false;
         }
     }
@@ -78,12 +79,14 @@ bool SimpleMoveFileOperation::performOperation()
     file.setFileName(source);
     if (!file.rename(target)) {
         setError(UserDefinedError);
-        setErrorString(tr("Cannot move source '%1' to target '%2': %3").arg(source, target,
-            file.errorString()));
+        setErrorString(tr("Cannot move file \"%1\" to \"%2\": %3").arg(
+                           QDir::toNativeSeparators(source), QDir::toNativeSeparators(target),
+                           file.errorString()));
         return false;
     }
 
-    emit outputTextChanged(tr("Move '%1' to '%2'.").arg(source, target));
+    emit outputTextChanged(tr("Moving file \"%1\" to \"%2\".").arg(QDir::toNativeSeparators(source),
+                                                                   QDir::toNativeSeparators(target)));
     return true;
 }
 
@@ -93,7 +96,8 @@ bool SimpleMoveFileOperation::undoOperation()
     const QString target = arguments().at(1);
 
     QFile(target).rename(source);
-    emit outputTextChanged(tr("Move '%1' to '%2'.").arg(target, source));
+    emit outputTextChanged(tr("Moving file \"%1\" to \"%2\".").arg(QDir::toNativeSeparators(target),
+                                                                   QDir::toNativeSeparators(source)));
 
     return true;
 }
diff --git a/src/libs/installer/testrepository.cpp b/src/libs/installer/testrepository.cpp
index 1dcba41ae..10e2673e4 100644
--- a/src/libs/installer/testrepository.cpp
+++ b/src/libs/installer/testrepository.cpp
@@ -110,7 +110,7 @@ void TestRepository::doCancel()
     if (m_downloader) {
         QString errorString = m_downloader->errorString();
         if (errorString.isEmpty())
-            errorString = tr("Got a timeout while testing: '%1'").arg(m_repository.displayname());
+            errorString = tr("Got a timeout while testing \"%1\".").arg(m_repository.displayname());
         // at the moment the download sends downloadCompleted() if we cancel it, so just
         disconnect(m_downloader, 0, this, 0);
         m_downloader->cancelDownload();
@@ -130,15 +130,15 @@ void TestRepository::downloadCompleted()
             QString errorMsg;
             if (!doc.setContent(&file, &errorMsg)) {
                 error = InvalidUpdatesXml;
-                errorMsg = tr("Could not parse Updates.xml! Error: %1.").arg(errorMsg);
+                errorMsg = tr("Cannot parse Updates.xml: %1").arg(errorMsg);
             } else {
                 error = NoError;
             }
         } else {
-            errorMsg = tr("Updates.xml could not be opened for reading!");
+            errorMsg = tr("Updates.xml could not be opened for reading.");
         }
     } else {
-        errorMsg = tr("Updates.xml could not be found on server!");
+        errorMsg = tr("Updates.xml could not be found on server.");
     }
 
     if (error > NoError)
diff --git a/src/libs/kdtools/kdlockfile_unix.cpp b/src/libs/kdtools/kdlockfile_unix.cpp
index 938961ac2..d763c7c14 100644
--- a/src/libs/kdtools/kdlockfile_unix.cpp
+++ b/src/libs/kdtools/kdlockfile_unix.cpp
@@ -36,6 +36,7 @@
 #include "kdlockfile_p.h"
 
 #include <QCoreApplication>
+#include <QDir>
 
 #include <cerrno>
 #include <sys/file.h>
@@ -50,8 +51,8 @@ bool KDLockFile::Private::lock()
     errno = 0;
     handle = open(filename.toLatin1().constData(), O_CREAT | O_RDWR | O_NONBLOCK, 0600);
     if (handle == -1) {
-        errorString = QCoreApplication::translate("KDLockFile", "Could not create lock file '%1': "
-            "%2").arg(filename, QString::fromLocal8Bit(strerror(errno)));
+        errorString = QCoreApplication::translate("KDLockFile", "Cannot create lock file \"%1\": "
+            "%2").arg(QDir::toNativeSeparators(filename), QString::fromLocal8Bit(strerror(errno)));
         return false;
     }
     const QString pid = QString::number(qApp->applicationPid());
@@ -61,8 +62,8 @@ bool KDLockFile::Private::lock()
     while (written < data.size()) {
         const qint64 n = write(handle, data.constData() + written, data.size() - written);
         if (n < 0) {
-            errorString = QCoreApplication::translate("KDLockFile", "Could not write PID to lock "
-                "file '%1': %2").arg(filename, QString::fromLocal8Bit(strerror(errno)));
+            errorString = QCoreApplication::translate("KDLockFile", "Cannot write PID to lock "
+                "file \"%1\": %2").arg(QDir::toNativeSeparators(filename), QString::fromLocal8Bit(strerror(errno)));
             return false;
         }
         written += n;
@@ -70,8 +71,8 @@ bool KDLockFile::Private::lock()
     errno = 0;
     locked = flock(handle, LOCK_NB | LOCK_EX) != -1;
     if (!locked) {
-        errorString = QCoreApplication::translate("KDLockFile", "Could not obtain the lock for "
-            "file '%1': %2").arg(filename, QString::fromLocal8Bit(strerror(errno)));
+        errorString = QCoreApplication::translate("KDLockFile", "Cannot obtain the lock for "
+            "file \"%1\": %2").arg(QDir::toNativeSeparators(filename), QString::fromLocal8Bit(strerror(errno)));
     }
     return locked;
 }
@@ -85,8 +86,8 @@ bool KDLockFile::Private::unlock()
     errno = 0;
     locked = flock(handle, LOCK_UN | LOCK_NB) == -1;
     if (locked) {
-        errorString = QCoreApplication::translate("KDLockFile", "Could not release the lock for "
-            "file '%1': %2").arg(filename, QString::fromLocal8Bit(strerror(errno)));
+        errorString = QCoreApplication::translate("KDLockFile", "Cannot release the lock for "
+            "file \"%1\": %2").arg(QDir::toNativeSeparators(filename), QString::fromLocal8Bit(strerror(errno)));
     } else {
         unlink(filename.toLatin1());
     }
diff --git a/src/libs/kdtools/kdlockfile_win.cpp b/src/libs/kdtools/kdlockfile_win.cpp
index 963ba682f..b3241b003 100644
--- a/src/libs/kdtools/kdlockfile_win.cpp
+++ b/src/libs/kdtools/kdlockfile_win.cpp
@@ -39,6 +39,7 @@
 #include <utils.h>
 
 #include <QCoreApplication>
+#include <QDir>
 #include <QFileInfo>
 
 bool KDLockFile::Private::lock()
@@ -52,23 +53,23 @@ bool KDLockFile::Private::lock()
         FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_TEMPORARY | FILE_FLAG_DELETE_ON_CLOSE, NULL);
 
     if (handle == INVALID_HANDLE_VALUE) {
-        errorString = QCoreApplication::translate("KDLockFile", "Could not create lock file '%1': "
-            "%2").arg(filename, QInstaller::windowsErrorString(GetLastError()));
+        errorString = QCoreApplication::translate("KDLockFile", "Cannot create lock file \"%1\": "
+            "%2").arg(QDir::toNativeSeparators(filename), QInstaller::windowsErrorString(GetLastError()));
         return false;
     }
 
     DWORD bytesWritten;
     const QByteArray pid = QString::number(QCoreApplication::applicationPid()).toLatin1();
     if (!WriteFile(handle, pid.data(), pid.size(), &bytesWritten, NULL)) {
-        errorString = QCoreApplication::translate("KDLockFile", "Could not write PID to lock file "
-            "'%1': %2").arg(filename, QInstaller::windowsErrorString(GetLastError()));
+        errorString = QCoreApplication::translate("KDLockFile", "Cannot write PID to lock file "
+            "\"%1\": %2").arg(QDir::toNativeSeparators(filename), QInstaller::windowsErrorString(GetLastError()));
         return false;
     }
     FlushFileBuffers(handle);
 
     if (!LockFile(handle, 0, 0, QFileInfo(filename).size(), 0)) {
-        errorString = QCoreApplication::translate("KDLockFile", "Could not obtain the lock for "
-            "file '%1': %2").arg(filename, QInstaller::windowsErrorString(GetLastError()));
+        errorString = QCoreApplication::translate("KDLockFile", "Cannot obtain the lock for "
+            "file \"%1\": %2").arg(QDir::toNativeSeparators(filename), QInstaller::windowsErrorString(GetLastError()));
     } else {
         locked = true;
     }
@@ -82,8 +83,8 @@ bool KDLockFile::Private::unlock()
         return true;
 
     if (!UnlockFile(handle, 0, 0, QFileInfo(filename).size(), 0)) {
-        errorString = QCoreApplication::translate("KDLockFile", "Could not release the lock for "
-            "file '%1': %2").arg(filename, QInstaller::windowsErrorString(GetLastError()));
+        errorString = QCoreApplication::translate("KDLockFile", "Cannot release the lock for "
+            "file \"%1\": %2").arg(QDir::toNativeSeparators(filename), QInstaller::windowsErrorString(GetLastError()));
     } else {
         locked = false;
         CloseHandle(handle);
diff --git a/src/libs/kdtools/kdsysinfo_x11.cpp b/src/libs/kdtools/kdsysinfo_x11.cpp
index 1e0a109b7..41575f775 100644
--- a/src/libs/kdtools/kdsysinfo_x11.cpp
+++ b/src/libs/kdtools/kdsysinfo_x11.cpp
@@ -76,7 +76,7 @@ QList<VolumeInfo> mountedVolumes()
 
     QFile f(QLatin1String("/etc/mtab"));
     if (!f.open(QIODevice::ReadOnly)) {
-        qCritical("%s: Could not open %s: %s", Q_FUNC_INFO, qPrintable(f.fileName()), qPrintable(f.errorString()));
+        qCritical("%s: Cannot open %s: %s", Q_FUNC_INFO, qPrintable(f.fileName()), qPrintable(f.errorString()));
         return result; //better error-handling?
     }
 
diff --git a/src/libs/kdtools/kdupdaterfiledownloader.cpp b/src/libs/kdtools/kdupdaterfiledownloader.cpp
index 98234920c..919a0a20e 100644
--- a/src/libs/kdtools/kdupdaterfiledownloader.cpp
+++ b/src/libs/kdtools/kdupdaterfiledownloader.cpp
@@ -39,6 +39,7 @@
 #include <fileutils.h>
 
 #include <QDialog>
+#include <QDir>
 #include <QFile>
 #include <QtNetwork/QNetworkAccessManager>
 #include <QtNetwork/QNetworkProxyFactory>
@@ -696,8 +697,8 @@ void KDUpdater::LocalFileDownloader::doDownload()
     d->source = new QFile(localFile, this);
     if (!d->source->open(QFile::ReadOnly)) {
         onError();
-        setDownloadAborted(tr("Cannot open source file '%1' for reading.").arg(QFileInfo(localFile)
-            .fileName()));
+        setDownloadAborted(tr("Cannot open file \"%1\" for reading: %2").arg(QFileInfo(localFile)
+            .fileName(), d->source->errorString()));
         return;
     }
 
@@ -712,8 +713,8 @@ void KDUpdater::LocalFileDownloader::doDownload()
 
     if (!d->destination->isOpen()) {
         onError();
-        setDownloadAborted(tr("Cannot open destination file '%1' for writing.")
-            .arg(QFileInfo(d->destination->fileName()).fileName()));
+        setDownloadAborted(tr("Cannot open file \"%1\" for writing: %2")
+            .arg(QFileInfo(d->destination->fileName()).fileName(), d->destination->errorString()));
         return;
     }
 
@@ -785,8 +786,9 @@ void KDUpdater::LocalFileDownloader::timerEvent(QTimerEvent *event)
                 killTimer(d->timerId);
                 d->timerId = -1;
                 onError();
-                setDownloadAborted(tr("Writing to %1 failed: %2").arg(d->destination->fileName(),
-                    d->destination->errorString()));
+                setDownloadAborted(tr("Writing to file \"%1\" failed: %2").arg(
+                                       QDir::toNativeSeparators(d->destination->fileName()),
+                                       d->destination->errorString()));
                 return;
             }
             toWrite -= numWritten;
@@ -975,7 +977,7 @@ void KDUpdater::ResourceFileDownloader::timerEvent(QTimerEvent *event)
             onError();
             killTimer(d->timerId);
             emit downloadProgress(1);
-            setDownloadAborted(tr("Could not read resource file \"%1\". Reason:").arg(downloadedFileName(),
+            setDownloadAborted(tr("Cannot read resource file \"%1\": %2").arg(downloadedFileName(),
                 d->destFile.errorString()));
             return;
         }
@@ -1163,7 +1165,7 @@ void KDUpdater::HttpDownloader::httpReadyRead()
                 const QString error = d->destination->errorString();
                 const QString fileName = d->destination->fileName();
                 d->shutDown();
-                setDownloadAborted(tr("Cannot download %1: Writing to file '%2' failed: %3")
+                setDownloadAborted(tr("Cannot download %1. Writing to file \"%2\" failed: %3")
                     .arg(url().toString(), fileName, error));
                 return;
             }
@@ -1313,7 +1315,7 @@ void KDUpdater::HttpDownloader::startDownload(const QUrl &url)
         const QString error = d->destination->errorString();
         const QString fileName = d->destination->fileName();
         d->shutDown();
-        setDownloadAborted(tr("Cannot download %1: Could not create %2: %3").arg(
+        setDownloadAborted(tr("Cannot download %1. Cannot create file \"%2\": %3").arg(
             url.toString(), fileName, error));
     }
 }
diff --git a/src/libs/kdtools/kdupdaterfiledownloaderfactory.cpp b/src/libs/kdtools/kdupdaterfiledownloaderfactory.cpp
index fad1023d1..2321e7667 100644
--- a/src/libs/kdtools/kdupdaterfiledownloaderfactory.cpp
+++ b/src/libs/kdtools/kdupdaterfiledownloaderfactory.cpp
@@ -74,7 +74,7 @@ FileDownloaderFactory::FileDownloaderFactory()
     if (QSslSocket::supportsSsl())
         registerFileDownloader<HttpDownloader>(QLatin1String("https"));
     else
-        qWarning() << "Could not register file downloader for https protocol: QSslSocket::supportsSsl() returns false";
+        qWarning() << "Cannot register file downloader for https protocol: QSslSocket::supportsSsl() returns false";
 #endif
 
     d->m_followRedirects = false;
diff --git a/src/libs/kdtools/kdupdaterupdatefinder.cpp b/src/libs/kdtools/kdupdaterupdatefinder.cpp
index 7c12213a7..987ad6335 100644
--- a/src/libs/kdtools/kdupdaterupdatefinder.cpp
+++ b/src/libs/kdtools/kdupdaterupdatefinder.cpp
@@ -180,7 +180,7 @@ void UpdateFinder::Private::computeUpdates()
     // First do some quick sanity checks on the packages info
     std::shared_ptr<LocalPackageHub> packages = m_localPackageHub.lock();
     if (!packages) {
-        q->reportError(tr("Could not access the package information of this application."));
+        q->reportError(tr("Cannot access the package information of this application."));
         return;
     }
 
@@ -294,7 +294,7 @@ bool UpdateFinder::Private::downloadUpdateXMLFiles()
         const Data data = m_updatesInfoList.value(updatesInfo);
         if (data.downloader) {
             if (!data.downloader->isDownloaded()) {
-                q->reportError(tr("Could not download package source %1 from ('%2')").arg(data
+                q->reportError(tr("Cannot download package source %1 from \"%2\".").arg(data
                     .downloader->url().fileName(), data.info.url.toString()));
             } else {
                 updatesInfo->setFileName(data.downloader->downloadedFileName());
diff --git a/src/libs/kdtools/kdupdaterupdateoperation.cpp b/src/libs/kdtools/kdupdaterupdateoperation.cpp
index 8ecf6d3a5..8940609e1 100644
--- a/src/libs/kdtools/kdupdaterupdateoperation.cpp
+++ b/src/libs/kdtools/kdupdaterupdateoperation.cpp
@@ -250,7 +250,7 @@ QString UpdateOperation::argumentKeyValue(const QString &key, const QString &def
     it = std::find_if(++it, tArguments.end(), StartsWith(keySeparater));
     if (it != tArguments.end()) {
         qWarning() << QString::fromLatin1("There are multiple keys in the arguments calling"
-            " '%1'. Only the first found '%2' is used: '%3'").arg(name(), key, arguments().join(
+            " \"%1\". Only the first found \"%2\" is used: \"%3\"").arg(name(), key, arguments().join(
             QLatin1String("; ")));
     }
     return value;
@@ -340,7 +340,8 @@ bool UpdateOperation::deleteFileNowOrLater(const QString &file, QString *errorSt
     QFile f(file);
     if (!f.rename(backup)) {
         if (errorString)
-            *errorString = tr("Renaming %1 into %2 failed with %3.").arg(file, backup, f.errorString());
+            *errorString = tr("Renaming file \"%1\" to \"%2\" failed: %3").arg(
+                    QDir::toNativeSeparators(file), QDir::toNativeSeparators(backup), f.errorString());
         return false;
     }
     registerForDelayedDeletion(QStringList(backup));
diff --git a/src/libs/kdtools/kdupdaterupdateoperations.cpp b/src/libs/kdtools/kdupdaterupdateoperations.cpp
index 90dbc7d60..944679070 100644
--- a/src/libs/kdtools/kdupdaterupdateoperations.cpp
+++ b/src/libs/kdtools/kdupdaterupdateoperations.cpp
@@ -139,7 +139,7 @@ void CopyOperation::backup()
     // race condition: The backup file could get created by another process right now. But this is the same
     // in QFile::copy...
     if (!QFile::rename(destination, value(QLatin1String("backupOfExistingDestination")).toString()))
-        setError(UserDefinedError, tr("Could not backup file %1.").arg(destination));
+        setError(UserDefinedError, tr("Cannot backup file \"%1\".").arg(QDir::toNativeSeparators(destination)));
 }
 
 bool CopyOperation::performOperation()
@@ -155,7 +155,7 @@ bool CopyOperation::performOperation()
     QFile sourceFile(source);
     if (!sourceFile.exists()) {
         setError(UserDefinedError);
-        setErrorString(tr("Could not copy a non-existent file: %1").arg(source));
+        setErrorString(tr("Cannot copy a non-existent file: %1").arg(QDir::toNativeSeparators(source)));
         return false;
     }
     // If destination file exists, we cannot use QFile::copy() because it does not overwrite an existing
@@ -164,7 +164,8 @@ bool CopyOperation::performOperation()
     if (destinationFile.exists()) {
         if (!destinationFile.remove()) {
             setError(UserDefinedError);
-            setErrorString(tr("Could not remove destination file %1: %2").arg(destination, destinationFile.errorString()));
+            setErrorString(tr("Cannot remove file \"%1\": %2").arg(
+                               QDir::toNativeSeparators(destination), destinationFile.errorString()));
             return false;
         }
     }
@@ -172,7 +173,9 @@ bool CopyOperation::performOperation()
     const bool copied = sourceFile.copy(destination);
     if (!copied) {
         setError(UserDefinedError);
-        setErrorString(tr("Could not copy %1 to %2: %3").arg(source, destination, sourceFile.errorString()));
+        setErrorString(tr("Cannot copy file \"%1\" to \"%2\": %3").arg(
+                           QDir::toNativeSeparators(source), QDir::toNativeSeparators(destination),
+                           sourceFile.errorString()));
     }
     return copied;
 }
@@ -189,7 +192,8 @@ bool CopyOperation::undoOperation()
     QFile destFile(destination);
     // first remove the dest
     if (destFile.exists() && !destFile.remove()) {
-        setError(UserDefinedError, tr("Could not delete file %1: %2").arg(destination, destFile.errorString()));
+        setError(UserDefinedError, tr("Cannot delete file \"%1\": %2").arg(
+                     QDir::toNativeSeparators(destination), destFile.errorString()));
         return false;
     }
 
@@ -202,7 +206,8 @@ bool CopyOperation::undoOperation()
     // otherwise we have to copy the backup back:
     const bool success = backupFile.rename(destination);
     if (!success)
-        setError(UserDefinedError, tr("Could not restore backup file into %1: %2").arg(destination, backupFile.errorString()));
+        setError(UserDefinedError, tr("Cannot restore backup file into \"%1\": %2").arg(
+                     QDir::toNativeSeparators(destination), backupFile.errorString()));
     return success;
 }
 
@@ -263,7 +268,7 @@ void MoveOperation::backup()
     // race condition: The backup file could get created by another process right now. But this is the same
     // in QFile::copy...
     if (!QFile::rename(dest, value(QLatin1String("backupOfExistingDestination")).toString()))
-        setError(UserDefinedError, tr("Could not backup file %1.").arg(dest));
+        setError(UserDefinedError, tr("Cannot backup file \"%1\".").arg(QDir::toNativeSeparators(dest)));
 }
 
 bool MoveOperation::performOperation()
@@ -281,7 +286,8 @@ bool MoveOperation::performOperation()
         QFile file(dest);
         if (!file.remove(dest)) {
             setError(UserDefinedError);
-            setErrorString(tr("Could not remove destination file %1: %2").arg(dest, file.errorString()));
+            setErrorString(tr("Cannot remove file \"%1\": %2").arg(
+                               QDir::toNativeSeparators(dest), file.errorString()));
             return false;
         }
     }
@@ -290,7 +296,8 @@ bool MoveOperation::performOperation()
     QFile file(args.at(0));
     if (!file.copy(dest)) {
         setError(UserDefinedError);
-        setErrorString(tr("Could not copy %1 to %2: %3").arg(file.fileName(), dest, file.errorString()));
+        setErrorString(tr("Cannot copy file \"%1\" to \"%2\": %3").arg(QDir::toNativeSeparators(file.fileName()),
+                                                                 QDir::toNativeSeparators(dest), file.errorString()));
         return false;
     }
     return deleteFileNowOrLater(file.fileName());
@@ -303,13 +310,14 @@ bool MoveOperation::undoOperation()
     // first: copy back the destination to source
     QFile destF(dest);
     if (!destF.copy(args.first())) {
-        setError(UserDefinedError, tr("Cannot copy %1 to %2: %3").arg(dest, args.first(), destF.errorString()));
+        setError(UserDefinedError, tr("Cannot copy file \"%1\" to \"%2\": %3").arg(
+                     QDir::toNativeSeparators(dest), QDir::toNativeSeparators(args.first()), destF.errorString()));
         return false;
     }
 
     // second: delete the move destination
     if (!deleteFileNowOrLater(dest)) {
-        setError(UserDefinedError, tr("Cannot remove file %1."));
+        setError(UserDefinedError, tr("Cannot remove file \"%1\".").arg(QDir::toNativeSeparators(dest)));
         return false;
     }
 
@@ -322,7 +330,8 @@ bool MoveOperation::undoOperation()
     QFile backupF(value(QLatin1String("backupOfExistingDestination")).toString());
     const bool success = backupF.rename(dest);
     if (!success)
-        setError(UserDefinedError, tr("Cannot restore backup file for %1: %2").arg(dest, backupF.errorString()));
+        setError(UserDefinedError, tr("Cannot restore backup file for \"%1\": %2").arg(
+                     QDir::toNativeSeparators(dest), backupF.errorString()));
 
     return success;
 }
@@ -360,7 +369,8 @@ void DeleteOperation::backup()
 
     QFile file(fileName);
     if (!file.copy(value(QLatin1String("backupOfExistingFile")).toString()))
-        setError(UserDefinedError, tr("Cannot create backup of %1: %2").arg(fileName, file.errorString()));
+        setError(UserDefinedError, tr("Cannot create backup of file \"%1\": %2").arg(
+                     QDir::toNativeSeparators(fileName), file.errorString()));
 }
 
 bool DeleteOperation::performOperation()
@@ -381,7 +391,8 @@ bool DeleteOperation::undoOperation()
     QFile backupF(value(QLatin1String("backupOfExistingFile")).toString());
     const bool success = backupF.copy(fileName) && deleteFileNowOrLater(backupF.fileName());
     if (!success)
-        setError(UserDefinedError, tr("Cannot restore backup file for %1: %2").arg(fileName, backupF.errorString()));
+        setError(UserDefinedError, tr("Cannot restore backup file for \"%1\": %2").arg(
+                     QDir::toNativeSeparators(fileName), backupF.errorString()));
     return success;
 }
 
@@ -457,7 +468,8 @@ bool MkdirOperation::performOperation()
     const bool created = QDir::root().mkpath(dirName);
     if (!created) {
         setError(UserDefinedError);
-        setErrorString(tr("Could not create folder %1: Unknown error.").arg(dirName));
+        setErrorString(tr("Cannot create directory \"%1\": %2").arg(
+                           QDir::toNativeSeparators(dirName), tr("Unknown error.")));
     }
     return created;
 }
@@ -489,9 +501,11 @@ bool MkdirOperation::undoOperation()
 
     if (!result) {
         if (errorString.isEmpty())
-            setError(UserDefinedError, tr("Cannot remove directory %1: %2").arg(createdDir.path(), errorString));
+            setError(UserDefinedError, tr("Cannot remove directory \"%1\": %2").arg(
+                         QDir::toNativeSeparators(createdDir.path()), errorString));
         else
-            setError(UserDefinedError, tr("Cannot remove directory %1: %2").arg(createdDir.path(), errnoToQString(errno)));
+            setError(UserDefinedError, tr("Cannot remove directory \"%1\": %2").arg(
+                         QDir::toNativeSeparators(createdDir.path()), errnoToQString(errno)));
     }
     return result;
 }
@@ -532,7 +546,8 @@ bool RmdirOperation::performOperation()
     QDir dir(firstArg);
     if (!dir.exists()) {
         setError(UserDefinedError);
-        setErrorString(tr("Could not remove folder %1: The folder does not exist.").arg(firstArg));
+        setErrorString(tr("Cannot remove directory \"%1\": %2").arg(
+                           QDir::toNativeSeparators(firstArg), tr("The directory does not exist.")));
         return false;
     }
 
@@ -541,7 +556,8 @@ bool RmdirOperation::performOperation()
     setValue(QLatin1String("removed"), removed);
     if (!removed) {
         setError(UserDefinedError);
-        setErrorString(tr("Could not remove folder %1: %2").arg(firstArg, errnoToQString(errno)));
+        setErrorString(tr("Cannot remove directory \"%1\": %2").arg(
+                           QDir::toNativeSeparators(firstArg), errnoToQString(errno)));
     }
     return removed;
 }
@@ -555,7 +571,8 @@ bool RmdirOperation::undoOperation()
     const QFileInfo fi(arguments().first());
     const bool success = fi.dir().mkdir(fi.fileName());
     if( !success)
-        setError(UserDefinedError, tr("Cannot recreate directory %1: %2").arg(fi.fileName(), errnoToQString(errno)));
+        setError(UserDefinedError, tr("Cannot recreate directory \"%1\": %2").arg(
+                     QDir::toNativeSeparators(fi.fileName()), errnoToQString(errno)));
 
     return success;
 }
@@ -591,7 +608,8 @@ void AppendFileOperation::backup()
 
     setValue(QLatin1String("backupOfFile"), backupFileName(filename));
     if (!file.copy(value(QLatin1String("backupOfFile")).toString())) {
-        setError(UserDefinedError, tr("Cannot backup file %1: %2").arg(filename, file.errorString()));
+        setError(UserDefinedError, tr("Cannot backup file \"%1\": %2").arg(
+                     QDir::toNativeSeparators(filename), file.errorString()));
         clearValue(QLatin1String("backupOfFile"));
     }
 }
@@ -626,7 +644,8 @@ bool AppendFileOperation::performOperation()
 
         if (error) {
             setError(UserDefinedError);
-            setErrorString(tr("Could not open file '%1' for writing: %2").arg(file.fileName(), file.errorString()));
+            setErrorString(tr("Cannot open file \"%1\" for writing: %2").arg(
+                               QDir::toNativeSeparators(file.fileName()), file.errorString()));
             return false;
         }
         deleteFileNowOrLater(newName);
@@ -645,13 +664,15 @@ bool AppendFileOperation::undoOperation()
     const QString filename = arguments().first();
     const QString backupOfFile = value(QLatin1String("backupOfFile")).toString();
     if (!backupOfFile.isEmpty() && !QFile::exists(backupOfFile)) {
-        setError(UserDefinedError, tr("Cannot find backup file for %1.").arg(filename));
+        setError(UserDefinedError, tr("Cannot find backup file for \"%1\".").arg(
+                     QDir::toNativeSeparators(filename)));
         return false;
     }
 
     const bool removed = deleteFileNowOrLater(filename);
     if (!removed) {
-        setError(UserDefinedError, tr("Could not restore backup file for %1.").arg(filename));
+        setError(UserDefinedError, tr("Cannot restore backup file for \"%1\".").arg(
+                     QDir::toNativeSeparators(filename)));
         return false;
     }
 
@@ -662,7 +683,8 @@ bool AppendFileOperation::undoOperation()
     QFile backupFile(backupOfFile);
     const bool success = backupFile.rename(filename);
     if (!success)
-        setError(UserDefinedError, tr("Could not restore backup file for %1: %2").arg(filename, backupFile.errorString()));
+        setError(UserDefinedError, tr("Cannot restore backup file for \"%1\": %2").arg(
+                     QDir::toNativeSeparators(filename), backupFile.errorString()));
     return success;
 }
 
@@ -697,7 +719,8 @@ void PrependFileOperation::backup()
 
     setValue(QLatin1String("backupOfFile"), backupFileName(filename));
     if (!file.copy(value(QLatin1String("backupOfFile")).toString())) {
-        setError(UserDefinedError, tr("Cannot backup file %1: %2").arg(filename, file.errorString()));
+        setError(UserDefinedError, tr("Cannot backup file \"%1\": %2").arg(
+                     QDir::toNativeSeparators(filename), file.errorString()));
         clearValue(QLatin1String("backupOfFile"));
     }
 }
@@ -716,7 +739,8 @@ bool PrependFileOperation::performOperation()
     QFile file(fName);
     if (!file.open(QFile::ReadOnly)) {
         setError(UserDefinedError);
-        setErrorString(tr("Could not open file %1 for reading: %2").arg(file.fileName(), file.errorString()));
+        setErrorString(tr("Cannot open file \"%1\" for reading: %2").arg(
+                           QDir::toNativeSeparators(file.fileName()), file.errorString()));
         return false;
     }
 
@@ -734,7 +758,8 @@ bool PrependFileOperation::performOperation()
         if (!QFile::rename(fName, newName) && QFile::copy(newName, fName) && file.open(QFile::WriteOnly)) {
             QFile::rename(newName, fName);
             setError(UserDefinedError);
-            setErrorString(tr("Could not open file %1 for writing: %2").arg(file.fileName(), file.errorString()));
+            setErrorString(tr("Cannot open file \"%1\" for writing: %2").arg(
+                               QDir::toNativeSeparators(file.fileName()), file.errorString()));
             return false;
         }
         deleteFileNowOrLater(newName);
@@ -752,12 +777,14 @@ bool PrependFileOperation::undoOperation()
     const QString filename = arguments().first();
     const QString backupOfFile = value(QLatin1String("backupOfFile")).toString();
     if (!backupOfFile.isEmpty() && !QFile::exists(backupOfFile)) {
-        setError(UserDefinedError, tr("Cannot find backup file for %1.").arg(filename));
+        setError(UserDefinedError,
+                 tr("Cannot find backup file for \"%1\".").arg(QDir::toNativeSeparators(filename)));
         return false;
     }
 
     if (!deleteFileNowOrLater(filename)) {
-        setError(UserDefinedError, tr("Cannot restore backup file for %1.").arg(filename));
+        setError(UserDefinedError,
+                 tr("Cannot restore backup file for \"%1\".").arg(QDir::toNativeSeparators(filename)));
         return false;
     }
 
@@ -768,7 +795,8 @@ bool PrependFileOperation::undoOperation()
     QFile backupF(backupOfFile);
     const bool success = backupF.rename(filename);
     if (!success)
-        setError(UserDefinedError, tr("Cannot restore backup file for %1: %2").arg(filename, backupF.errorString()));
+        setError(UserDefinedError, tr("Cannot restore backup file for \"%1\": %2").arg(
+                     QDir::toNativeSeparators(filename), backupF.errorString()));
 
     return success;
 }
diff --git a/src/libs/kdtools/kdupdaterupdatesinfo.cpp b/src/libs/kdtools/kdupdaterupdatesinfo.cpp
index a5b1b0a86..48003279b 100644
--- a/src/libs/kdtools/kdupdaterupdatesinfo.cpp
+++ b/src/libs/kdtools/kdupdaterupdatesinfo.cpp
@@ -61,7 +61,7 @@ void UpdatesInfoData::parseFile(const QString &updateXmlFile)
     QFile file(updateXmlFile);
     if (!file.open(QFile::ReadOnly)) {
         error = UpdatesInfo::CouldNotReadUpdateInfoFileError;
-        errorMessage = tr("Could not read \"%1\"").arg(updateXmlFile);
+        errorMessage = tr("Cannot read \"%1\"").arg(updateXmlFile);
         return;
     }
 
diff --git a/src/libs/kdtools/localpackagehub.cpp b/src/libs/kdtools/localpackagehub.cpp
index 02bb8cb64..6172de853 100644
--- a/src/libs/kdtools/localpackagehub.cpp
+++ b/src/libs/kdtools/localpackagehub.cpp
@@ -258,7 +258,7 @@ void LocalPackageHub::refresh()
     // Open Packages.xml
     if (!file.open(QFile::ReadOnly)) {
         d->error = CouldNotReadPackageFileError;
-        d->errorMessage = tr("Could not open %1.").arg(d->fileName);
+        d->errorMessage = tr("Cannot open %1.").arg(d->fileName);
         return;
     }
 
diff --git a/src/sdk/translations/de.ts b/src/sdk/translations/de.ts
index 20d510564..33adc97c6 100644
--- a/src/sdk/translations/de.ts
+++ b/src/sdk/translations/de.ts
@@ -15,26 +15,26 @@
 <context>
     <name>BinaryContent</name>
     <message>
-        <source>Could not seek to %1 to read the operation data.</source>
+        <source>Cannot seek to %1 to read the operation data.</source>
         <translation>Konnte nicht bis zur Anweisungsliste an Position %1 springen.</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection block.</source>
+        <source>Cannot seek to %1 to read the resource collection block.</source>
         <translation>Konnte nicht bis zur Resourcensammlung an Position %1 suchen.</translation>
     </message>
     <message>
-        <source>Could not open meta resource. Error: %1</source>
+        <source>Cannot open meta resource. Error: %1</source>
         <translation>Konnte Metainformationen nicht öffnen. Fehlermeldung: %1</translation>
     </message>
 </context>
 <context>
     <name>BinaryLayout</name>
     <message>
-        <source>Could not seek to %1 to read the embedded meta data count.</source>
+        <source>Cannot seek to %1 to read the embedded meta data count.</source>
         <translation>Konnte nicht bis %1 suchen, um die eingebettete Metadatenanzahl zu lesen.</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection segment.</source>
+        <source>Cannot seek to %1 to read the resource collection segment.</source>
         <translation>Konnte nicht bis %1 suchen, um die Resourcensammlung zu lesen.</translation>
     </message>
     <message>
@@ -72,34 +72,34 @@
         <translation>Pfad %1 existiert, aber ist kein Ordner.</translation>
     </message>
     <message>
-        <source>Could not create folder: %1</source>
+        <source>Cannot create folder: %1</source>
         <translation>Konnte Ordner %1 nicht anlegen.</translation>
     </message>
 </context>
 <context>
     <name>ExtractCallbackImpl</name>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>Konnte Pfad des Archivs %1 nicht feststellen.</translation>
     </message>
     <message>
-        <source>Could not remove already existing symlink. %1</source>
+        <source>Cannot remove already existing symlink. %1</source>
         <translation>Konnte existierende Verknüpfung (Symlink) %1 nicht entfernen.</translation>
     </message>
     <message>
-        <source>Could not open file: %1 (%2)</source>
+        <source>Cannot open file: %1 (%2)</source>
         <translation>Konnte Datei %1 nicht öffnen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not create symlink at &apos;%1&apos;. Another one is already existing.</source>
+        <source>Cannot create symlink at &apos;%1&apos;. Another one is already existing.</source>
         <translation>Konnte Verknüpfung (Symlink) &apos;%1&apos; nicht erstellen. Es existiert bereits eine an dieser Stelle.</translation>
     </message>
     <message>
-        <source>Could not read symlink target from file &apos;%1&apos;.</source>
+        <source>Cannot read symlink target from file &apos;%1&apos;.</source>
         <translation>Konnte Ziel der Verknüpfung (Symlink) &apos;%1&apos; nicht lesen.</translation>
     </message>
     <message>
-        <source>Could not create symlink at %1. %2</source>
+        <source>Cannot create symlink at %1. %2</source>
         <translation>Konnte keine Dateisystemverknüpfung (Symlink) %1 anlegen. Fehlermeldung: %2</translation>
     </message>
 </context>
@@ -140,19 +140,19 @@
 <context>
     <name>KDLockFile</name>
     <message>
-        <source>Could not create lock file &apos;%1&apos;: %2</source>
+        <source>Cannot create lock file &apos;%1&apos;: %2</source>
         <translation>Konnte keine Sperrdatei %1 anlegen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not write PID to lock file &apos;%1&apos;: %2</source>
+        <source>Cannot write PID to lock file &apos;%1&apos;: %2</source>
         <translation>Konnte PID nicht in die Sperrdatei %1 schreiben. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not obtain the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot obtain the lock for file &apos;%1&apos;: %2</source>
         <translation>Konnte Sperre für Datei &apos;%1&apos; nicht anlegen: &apos;%2&apos;</translation>
     </message>
     <message>
-        <source>Could not release the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot release the lock for file &apos;%1&apos;: %2</source>
         <translation>Konnte Sperre für Datei &apos;%1&apos; nicht aufheben: &apos;%2&apos;</translation>
     </message>
 </context>
@@ -171,7 +171,7 @@
         <translation>genau 2</translation>
     </message>
     <message>
-        <source>Could not open file &apos;%1&apos; for writing: %2</source>
+        <source>Cannot open file &apos;%1&apos; for writing: %2</source>
         <translation>Konnte Datei &apos;%1&apos; nicht zum Schreiben öffnen. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -179,11 +179,11 @@
         <translation>Konnte Sicherungsdatei für %1 nicht finden.</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1.</source>
+        <source>Cannot restore backup file for %1.</source>
         <translation>Konnte Datei %1 nicht wiederherstellen.</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1: %2</source>
+        <source>Cannot restore backup file for %1: %2</source>
         <translation>Konnte Datei %1 nicht wiederherstellen. Fehlermeldung: %2</translation>
     </message>
 </context>
@@ -194,27 +194,27 @@
         <translation>Ungültige Argumente: %1 Argumente erhalten, 2 erwartet.</translation>
     </message>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>Konnte Datei %1 nicht sichern.</translation>
     </message>
     <message>
-        <source>Could not copy a non-existent file: %1</source>
+        <source>Cannot copy a non-existent file: %1</source>
         <translation>Konnte nicht existierende Datei nicht kopieren: %1</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>Konnte Zieldatei %1 nicht entfernen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>Konnte Datei %1 nicht nach %2 kopieren. Fehlermeldung: %3</translation>
     </message>
     <message>
-        <source>Could not delete file %1: %2</source>
+        <source>Cannot delete file %1: %2</source>
         <translation>Konnte Datei %1 nicht löschen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not restore backup file into %1: %2</source>
+        <source>Cannot restore backup file into %1: %2</source>
         <translation>Konnte Datei %1 nicht wiederherstellen. Fehlermeldung: %2</translation>
     </message>
 </context>
@@ -303,7 +303,7 @@
         <translation>Konnte %1 nicht herunterladen. Schreiben in Datei &apos;%2&apos; fehlgeschlagen. Fehlermeldung: %3</translation>
     </message>
     <message>
-        <source>Cannot download %1: Could not create %2: %3</source>
+        <source>Cannot download %1: Cannot create %2: %3</source>
         <translation>Konnte %1 nicht herunterladen. Erstellen der Datei %2 fehlgeschlagen. Fehlermeldung: %3</translation>
     </message>
     <message>
@@ -357,7 +357,7 @@
         <translation>Ungültige Argumente: %1 Argumente erhalten, 1 erwartet.</translation>
     </message>
     <message>
-        <source>Could not create folder %1: Unknown error.</source>
+        <source>Cannot create folder %1: Unknown error.</source>
         <translation>Konnte Ordner %1 nicht anlegen. Unbekannter Fehler.</translation>
     </message>
     <message>
@@ -368,7 +368,7 @@
 <context>
     <name>KDUpdater::MoveOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>Konnte Datei %1 nicht sichern.</translation>
     </message>
     <message>
@@ -376,11 +376,11 @@
         <translation>Ungültige Argumente: %1 Argumente erhalten, 2 erwartet.</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>Konnte Zieldatei %1 nicht entfernen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>Konnte Datei %1 nicht nach %2 kopieren. Fehlermeldung: %3</translation>
     </message>
     <message>
@@ -407,7 +407,7 @@
         <translation>Datei %1 existiert nicht.</translation>
     </message>
     <message>
-        <source>Could not open %1.</source>
+        <source>Cannot open %1.</source>
         <translation>Konnte Datei %1 nicht öffnen.</translation>
     </message>
     <message>
@@ -430,11 +430,11 @@
         <translation>Ungültige Argumente: %1 Argumente erhalten, 2 erwartet.</translation>
     </message>
     <message>
-        <source>Could not open file %1 for reading: %2</source>
+        <source>Cannot open file %1 for reading: %2</source>
         <translation>Konnte Datei %1 nicht zum Lesen öffnen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not open file %1 for writing: %2</source>
+        <source>Cannot open file %1 for writing: %2</source>
         <translation>Konnte Datei %1 nicht zum Schreiben öffnen. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -453,7 +453,7 @@
 <context>
     <name>KDUpdater::ResourceFileDownloader</name>
     <message>
-        <source>Could not read resource file &quot;%1&quot;. Reason:</source>
+        <source>Cannot read resource file &quot;%1&quot;. Reason:</source>
         <translation>Konnte Ressourcendatei %1 nicht zum Lesen öffnen. Grund:</translation>
     </message>
 </context>
@@ -464,11 +464,11 @@
         <translation>Ungültige Argumente: %1 Argumente erhalten, 1 erwartet.</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: The folder does not exist.</source>
+        <source>Cannot remove folder %1: The folder does not exist.</source>
         <translation>Konnte Ordner %1 nicht entfernen. Der Ordner existiert nicht.</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>Konnte Ordner %1 nicht löschen. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -510,11 +510,11 @@
 <context>
     <name>KDUpdater::UpdateFinder</name>
     <message>
-        <source>Could not access the package information of this application.</source>
+        <source>Cannot access the package information of this application.</source>
         <translation>Konnte nicht auf die Paketinformationen dieser Anwendung zugreifen.</translation>
     </message>
     <message>
-        <source>Could not access the update sources information of this application.</source>
+        <source>Cannot access the update sources information of this application.</source>
         <translation>Konnte nicht auf die Aktualisierungsinformationen dieser Anwendung zugreifen.</translation>
     </message>
     <message numerus="yes">
@@ -529,7 +529,7 @@
         <translation>Lade Updates.xml von der Aktualisierungsquelle herunter.</translation>
     </message>
     <message>
-        <source>Could not download update source %1 from (&apos;%2&apos;)</source>
+        <source>Cannot download update source %1 from (&apos;%2&apos;)</source>
         <translation>Konnte Aktualisierungen nicht von %1 (&apos;%2&apos;) herunterladen.</translation>
     </message>
     <message>
@@ -552,7 +552,7 @@
         <translation>Datei %1 enthält ungültige Inhalte: %2</translation>
     </message>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>Konnte Datei &quot;%1&quot; nicht lesen.</translation>
     </message>
     <message>
@@ -564,14 +564,14 @@
         <translation>Unerwartetes Wurzelelement %1, erwartet wird &quot;UpdateSources&quot;.</translation>
     </message>
     <message>
-        <source>Could not save changes to &quot;%1&quot;: %2</source>
+        <source>Cannot save changes to &quot;%1&quot;: %2</source>
         <translation>Konnte Änderungen nicht in Datei %1 speichern. Fehlermeldung: %2</translation>
     </message>
 </context>
 <context>
     <name>KDUpdater::UpdatesInfoData</name>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>Konnte Datei &quot;%1&quot; nicht lesen.</translation>
     </message>
     <message>
@@ -610,11 +610,11 @@
 <context>
     <name>Lib7z</name>
     <message>
-        <source>Could not retrieve number of items in archive</source>
+        <source>Cannot retrieve number of items in archive</source>
         <translation>Konnte Anzahl Dateien im Archiv nicht feststellen.</translation>
     </message>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>Konnte Pfad des Archivs %1 nicht feststellen.</translation>
     </message>
     <message>
@@ -634,15 +634,15 @@
         <translation>Fehler: %1</translation>
     </message>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>Konnte Codecs nicht laden.</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>Konnte Standardformat nicht finden.</translation>
     </message>
     <message>
-        <source>Could not create archive %1. %2</source>
+        <source>Cannot create archive %1. %2</source>
         <translation>Konnte kein Archiv %1 anlegen. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -654,14 +654,14 @@
         <translation>Itemindex %1 ausserhalb der Grenzen [0, %2].</translation>
     </message>
     <message>
-        <source>Could not create output file for writing: %1</source>
+        <source>Cannot create output file for writing: %1</source>
         <translation>Konnte Ausgabedatei nicht zum Schreiben öffnen. Fehlermeldung: %1</translation>
     </message>
 </context>
 <context>
     <name>Lib7z::ExtractItemJob</name>
     <message>
-        <source>Could not list archive: QIODevice not set or already destroyed.</source>
+        <source>Cannot list archive: QIODevice not set or already destroyed.</source>
         <translation>Kann Archiv nicht anzeigen: QIODevice ist nicht gesetzt oder bereits zerstört.</translation>
     </message>
     <message>
@@ -680,7 +680,7 @@
 <context>
     <name>Lib7z::ListArchiveJob</name>
     <message>
-        <source>Could not list archive: QIODevice already destroyed.</source>
+        <source>Cannot list archive: QIODevice already destroyed.</source>
         <translation>Kann Archiv nicht anzeigen: QIODevice ist bereits zerstört.</translation>
     </message>
     <message>
@@ -695,15 +695,15 @@
 <context>
     <name>OpenArchiveInfo</name>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>Konnte Codecs nicht laden.</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>Konnte Standardformat nicht finden.</translation>
     </message>
     <message>
-        <source>Could not open archive</source>
+        <source>Cannot open archive</source>
         <translation>Konnte Archiv nicht öffnen.</translation>
     </message>
     <message>
@@ -757,35 +757,35 @@
         <translation>YiB</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>Konnte Datei %1 nicht löschen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>Konnte Ordner %1 nicht löschen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not create folder %1</source>
+        <source>Cannot create folder %1</source>
         <translation>Konnte Ordner %1 nicht anlegen.</translation>
     </message>
     <message>
-        <source>Could not copy file from %1 to %2: %3</source>
+        <source>Cannot copy file from %1 to %2: %3</source>
         <translation>Konnte Datei %1 nicht nach %2 kopieren. Fehlermeldung: %3</translation>
     </message>
     <message>
-        <source>Could not move file from %1 to %2: %3</source>
+        <source>Cannot move file from %1 to %2: %3</source>
         <translation>Konnte Datei %1 nicht nach %2 verschieben. Fehlermeldung: %3</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2</source>
+        <source>Cannot create folder %1: %2</source>
         <translation>Konnte Ordner %1 nicht anlegen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not open temporary file: %1</source>
+        <source>Cannot open temporary file: %1</source>
         <translation>Konnte temporäre Datei nicht öffnen. Fehlermeldung: %1</translation>
     </message>
     <message>
-        <source>Could not open temporary file for template %1: %2</source>
+        <source>Cannot open temporary file for template %1: %2</source>
         <translation>Konnte keine temporäre Datei für die Vorlage %1 öffnen. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -813,11 +813,11 @@
         <translation>Das Schreiben ist nach %1 Bytes fehlgeschlagen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not create temporary file</source>
+        <source>Cannot create temporary file</source>
         <translation>Konnte temporäre Datei nicht anlegen.</translation>
     </message>
     <message>
-        <source>Could not retrieve property %1 for item %2</source>
+        <source>Cannot retrieve property %1 for item %2</source>
         <translation>Konnte Eigenschaft %1 von %2 nicht erhalten.</translation>
     </message>
     <message>
@@ -825,11 +825,11 @@
         <translation>Eigenschaft %1 von %2 ist nicht vom Typ VT_FILETIME, sondern vom Typ %3.</translation>
     </message>
     <message>
-        <source>Could not convert file time to local time</source>
+        <source>Cannot convert file time to local time</source>
         <translation>Konnte die Dateizeit nicht in die lokale Zeit umwandeln.</translation>
     </message>
     <message>
-        <source>Could not convert local file time to system time</source>
+        <source>Cannot convert local file time to system time</source>
         <translation>Konnte die lokale Dateizeit nicht in die Systemzeit umwandeln.</translation>
     </message>
     <message>
@@ -852,19 +852,19 @@
         <translation>Komponenten können im Updater Modus keine Kinder haben.</translation>
     </message>
     <message>
-        <source>Could not open the requested translation file &apos;%1&apos;.</source>
+        <source>Cannot open the requested translation file &apos;%1&apos;.</source>
         <translation>Konnte angeforderte Übersetzungsdatei %1 nicht öffnen.</translation>
     </message>
     <message>
-        <source>Could not open the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>Konnte angeforderte UI-Datei &apos;%1&apos; nicht öffnen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not load the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot load the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>Konnte angeforderte UI-Datei &apos;%1&apos; nicht laden. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not open the requested license file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested license file &apos;%1&apos;. Error: %2</source>
         <translation>Konnte angeforderte Lizenzdatei &apos;%1&apos; nicht öffnen. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -1040,7 +1040,7 @@
         <translation>Ungültige Argumentein %0: Ordner %1 und %2 ungültig.</translation>
     </message>
     <message>
-        <source>Could not create %0</source>
+        <source>Cannot create %0</source>
         <translation>Konnte Ordner &quot;%1&quot; nicht anlegen.</translation>
     </message>
     <message>
@@ -1048,11 +1048,11 @@
         <translation>Konnte Datei %1 nicht überschreiben</translation>
     </message>
     <message>
-        <source>Could not copy %0 to %1, error was: %3</source>
+        <source>Cannot copy %0 to %1, error was: %3</source>
         <translation>Konnte %0 nicht nach %1 kopieren. Fehlermeldung: %3</translation>
     </message>
     <message>
-        <source>Could not remove %0</source>
+        <source>Cannot remove %0</source>
         <translation>Konnte Datei %0 nicht löschen.</translation>
     </message>
 </context>
@@ -1063,11 +1063,11 @@
         <translation>Ungültige Anzahl task items.</translation>
     </message>
     <message>
-        <source>Could not open source &apos;%1&apos; for read. Error: %2.</source>
+        <source>Cannot open source &apos;%1&apos; for read. Error: %2.</source>
         <translation>Konnte Quelle &apos;%1&apos; nicht zum Lesen öffnen. Fehlermeldung: %2.</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <translation>Konnte Ziel &apos;%1&apos; nicht zum Schreiben öffnen. Fehlermeldung: %2.</translation>
     </message>
     <message>
@@ -1078,7 +1078,7 @@
 <context>
     <name>QInstaller::CreateDesktopEntryOperation</name>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>Konnte Datei %1 nicht sichern. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -1094,7 +1094,7 @@
         <translation>Konnte Datei %1 nicht überschreiben.</translation>
     </message>
     <message>
-        <source>Could not write Desktop Entry at %1</source>
+        <source>Cannot write Desktop Entry at %1</source>
         <translation>Konnte keinen Eintrag %1 auf dem Arbeitsplatz anlegen.</translation>
     </message>
 </context>
@@ -1109,26 +1109,26 @@
         <translation>genau 2</translation>
     </message>
     <message>
-        <source>Could not create link from %1 to %2.</source>
+        <source>Cannot create link from %1 to %2.</source>
         <translation>Konnte keinen Link von %1 nach %2 erstellen.</translation>
     </message>
     <message>
-        <source>Could not remove link from %1 to %2.</source>
+        <source>Cannot remove link from %1 to %2.</source>
         <translation>Konnte Link von %1 nach %2 nicht entfernen.</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::CreateLocalRepositoryOperation</name>
     <message>
-        <source>Could not set file permissions %1!</source>
+        <source>Cannot set file permissions %1!</source>
         <translation>Konnte Dateirechte auf Datei %1 nicht setzen!</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>Konnte Datei %1 nicht löschen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not move file %1 to %2. Error: %3</source>
+        <source>Cannot move file %1 to %2. Error: %3</source>
         <translation>Konnte Datei %1 nicht nach %2 verschieben. Fehlermeldung: %3</translation>
     </message>
     <message>
@@ -1144,19 +1144,19 @@
         <translation>Installer muss eine offline Version sein: %1.</translation>
     </message>
     <message>
-        <source>Could not open file: %1</source>
+        <source>Cannot open file: %1</source>
         <translation>Konnte Datei %1 nicht öffnen.</translation>
     </message>
     <message>
-        <source>Could not read: %1. Error: %2</source>
+        <source>Cannot read: %1. Error: %2</source>
         <translation>Konnte Datei %1 nicht lesen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not open file: %1. Error: %2</source>
+        <source>Cannot open file: %1. Error: %2</source>
         <translation>Konnte Datei %1 nicht öffnen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not create target dir: %1.</source>
+        <source>Cannot create target dir: %1.</source>
         <translation>Konnte Zielordner %1. nicht anlegen.</translation>
     </message>
     <message>
@@ -1168,7 +1168,7 @@
         <translation>Entferne Datei %0</translation>
     </message>
     <message>
-        <source>Could not remove %0.</source>
+        <source>Cannot remove %0.</source>
         <translation>Konnte Datei %0. nicht löschen.</translation>
     </message>
     <message>
@@ -1191,7 +1191,7 @@
         <translation> (optional: &apos;workingDirectory=...&apos;, &apos;iconPath=...&apos;, &apos;iconId=...&apos;)</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2.</source>
+        <source>Cannot create folder %1: %2.</source>
         <translation>Konnte Ordner %1 nicht anlegen. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -1199,7 +1199,7 @@
         <translation>Konnte Datei %1 nicht überschreiben. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not create link %1: %2</source>
+        <source>Cannot create link %1: %2</source>
         <translation>Konnte Verweis %1 nicht anlegen. Fehlermeldung: %2</translation>
     </message>
 </context>
@@ -1222,15 +1222,15 @@
         <translation>Prüfsumme ungültig beim Herunterladen. Dies ist ein kurzzeitiger Fehler, bitte erneut versuchen.</translation>
     </message>
     <message>
-        <source>Could not verify Hash</source>
+        <source>Cannot verify Hash</source>
         <translation>Prüfsumme konnte nicht geprüft werden.</translation>
     </message>
     <message>
-        <source>Could not download archive: %1 : %2</source>
+        <source>Cannot download archive: %1 : %2</source>
         <translation>Konnte Archiv %1 nicht herunterladen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not fetch archives: %1
+        <source>Cannot fetch archives: %1
 Error while loading %2</source>
         <translation>Konnte Archiv nicht laden. Fehler: %1
 Fehler beim Laden von %2</translation>
@@ -1244,7 +1244,7 @@ Fehler beim Laden von %2</translation>
         <translation>Schema &quot;%1&quot; nicht unterstützt in &quot;%2&quot;.</translation>
     </message>
     <message>
-        <source>Could not find component for: %1.</source>
+        <source>Cannot find component for: %1.</source>
         <translation>Konnte keine Komponente für Datei %1 finden.</translation>
     </message>
 </context>
@@ -1292,7 +1292,7 @@ Fehler beim Laden von %2</translation>
         <translation>Zieldatei &apos;%1&apos; existiert bereits aber ist keine Datei.</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <extracomment>%2 is a sentence describing the error</extracomment>
         <translation>Konnte Ziel &apos;%1&apos; nicht zum Schreiben öffnen. Fehler: %2.</translation>
     </message>
@@ -1308,11 +1308,11 @@ Fehler beim Laden von %2</translation>
         <translation>mindestens 1</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start detached: &quot;%1&quot;</source>
+        <source>Execution failed: Cannot start detached: &quot;%1&quot;</source>
         <translation>Ausführung fehlgeschlagen: Konnte %1 nicht detached starten.</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start: &quot;%1&quot;(%2)</source>
+        <source>Execution failed: Cannot start: &quot;%1&quot;(%2)</source>
         <translation>Ausführung fehlgeschlagen: Konnte &apos;%1&apos; nicht starten. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -1349,7 +1349,7 @@ Fehler beim Laden von %2</translation>
 <context>
     <name>QInstaller::ExtractArchiveOperation::Runnable</name>
     <message>
-        <source>Could not open %1 for reading: %2.</source>
+        <source>Cannot open %1 for reading: %2.</source>
         <translation>Konnte Datei %1 nicht zum Lesen öffnen. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -1368,7 +1368,7 @@ Fehler beim Laden von %2</translation>
         <translation>Unpassende Anzahl Argumente: Genau eins wird verlangt</translation>
     </message>
     <message>
-        <source>Could not get package manager core.</source>
+        <source>Cannot get package manager core.</source>
         <translation>Konnte PackageManagerCore nicht erhalten.</translation>
     </message>
     <message>
@@ -1496,7 +1496,7 @@ Fehler beim Laden von %2</translation>
         <translation>Ungültiges Argument: Quellordner darf nicht leer sein.</translation>
     </message>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>Konnte Datei %1 nicht sichern. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -1508,7 +1508,7 @@ Fehler beim Laden von %2</translation>
         <translation>Konnte Datei nicht nach %1 kopieren. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not create folder at %1: %2</source>
+        <source>Cannot create folder at %1: %2</source>
         <translation>Konnte Ordner %1 nicht anlegen. Fehlermeldung: %2</translation>
     </message>
 </context>
@@ -1687,7 +1687,7 @@ Fehler beim Laden von %2</translation>
         <translation>Beim Auspacken von %1 trat eine unbekannte Ausnahmebedingung auf.</translation>
     </message>
     <message>
-        <source>Could not open %1 for reading. Error: %2</source>
+        <source>Cannot open %1 for reading. Error: %2</source>
         <translation>Konnte Datei %1 nicht zum Lesen öffnen. Fehlermeldung: %2</translation>
     </message>
 </context>
@@ -1775,7 +1775,7 @@ Lade Pakete herunter...</translation>
         <translation>Formatfehler</translation>
     </message>
     <message>
-        <source>Could not write installer configuration to %1: %2</source>
+        <source>Cannot write installer configuration to %1: %2</source>
         <translation>Konnte Einstellungen des Installers nicht nach %1 schreiben. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -1859,19 +1859,19 @@ Aktualisierung abgebrochen!</translation>
         <translation>Verwaltungswerkzeug ist kein Bundle</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool data to %1: %2</source>
+        <source>Cannot write maintenance tool data to %1: %2</source>
         <translation>Konnte Daten des Verwaltungswerkzeugs nicht nach %1 schreiben. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not remove data file &apos;%1&apos;: %2</source>
+        <source>Cannot remove data file &apos;%1&apos;: %2</source>
         <translation>Konnte Datei %1 nicht löschen. Fehlermeldung: %2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool to %1: %2</source>
+        <source>Cannot write maintenance tool to %1: %2</source>
         <translation>Konnte Verwaltungswerkzeug nicht nach %1 schreiben: %2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool binary data to %1: %2</source>
+        <source>Cannot write maintenance tool binary data to %1: %2</source>
         <translation>Konnte Binäre Datei des Verwaltungswerkzeugs nicht nach %1 schreiben: %2</translation>
     </message>
     <message>
@@ -1921,7 +1921,7 @@ Installiere Komponente %1</translation>
         <translation>Unbekannter Fehler</translation>
     </message>
     <message>
-        <source>Could not retrieve remote tree: %1.</source>
+        <source>Cannot retrieve remote tree: %1.</source>
         <translation>Kann entfernten Baum nicht empfangen: %1</translation>
     </message>
     <message>
@@ -1929,15 +1929,15 @@ Installiere Komponente %1</translation>
         <translation>Fehler beim Lesen der Pakete von %1</translation>
     </message>
     <message>
-        <source>Could not retrieve meta information: %1</source>
+        <source>Cannot retrieve meta information: %1</source>
         <translation>Konnte die Metainformationen nicht empfangen: %1</translation>
     </message>
     <message>
-        <source>Could not add temporary update source information.</source>
+        <source>Cannot add temporary update source information.</source>
         <translation>Konnte Informationen zu temporären Aktualisierungsquellen nicht hinzufügen.</translation>
     </message>
     <message>
-        <source>Could not find any update source information.</source>
+        <source>Cannot find any update source information.</source>
         <translation>Konnte keine Informationen zu Aktualisierungsquellen finden.</translation>
     </message>
     <message>
@@ -2152,14 +2152,14 @@ Bitte kopieren Sie den Installer auf ein lokales Laufwerk</translation>
 <context>
     <name>QInstaller::RemoteObject</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>Konnte nicht alle Daten nach dem Senden des Kommandos &apos;%1&apos; lesen. Bytes erwartet: %2, Bytes erhalten: %3. Fehler: %4</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::RemoteServerConnection</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>Konnte nicht alle Daten nach dem Senden des Kommandos &apos;%1&apos; lesen. Bytes erwartet: %2, Bytes erhalten: %3. Fehler: %4</translation>
     </message>
 </context>
@@ -2185,7 +2185,7 @@ Bitte kopieren Sie den Installer auf ein lokales Laufwerk</translation>
 <context>
     <name>QInstaller::Resource</name>
     <message>
-        <source>Could not open Resource &apos;%1&apos; read-only.</source>
+        <source>Cannot open Resource &apos;%1&apos; read-only.</source>
         <translation>Konnte Ressourcendatei &apos;%1&apos; nicht zum Nur-Lesen öffnen.</translation>
     </message>
     <message>
@@ -2207,7 +2207,7 @@ Bitte kopieren Sie den Installer auf ein lokales Laufwerk</translation>
 <context>
     <name>QInstaller::ScriptEngine</name>
     <message>
-        <source>Could not open the requested script file at %1: %2.</source>
+        <source>Cannot open the requested script file at %1: %2.</source>
         <translation>Konnte angeforderte Skriptdatei &apos;%1&apos; nicht öffnen. Fehlermeldung: %2</translation>
     </message>
     <message>
@@ -2404,7 +2404,7 @@ Möchten Sie trotzdem fortsetzen?</translation>
         <translation>Erhielt Timeout beim Testen von: &apos;%1&apos;</translation>
     </message>
     <message>
-        <source>Could not parse Updates.xml! Error: %1.</source>
+        <source>Cannot parse Updates.xml! Error: %1.</source>
         <translation>Ungültiges Format der Updates.xml. Fehlermeldung: %1.</translation>
     </message>
     <message>
@@ -2434,11 +2434,11 @@ Möchten Sie trotzdem fortsetzen?</translation>
 <context>
     <name>RemoteClient</name>
     <message>
-        <source>Could not get authorization.</source>
+        <source>Cannot get authorization.</source>
         <translation>Konnte Autorisierung nicht erhalten.</translation>
     </message>
     <message>
-        <source>Could not get authorization that is needed for continuing the installation.
+        <source>Cannot get authorization that is needed for continuing the installation.
  Either abort the installation or use the fallback solution by running
 
 %1
@@ -2453,14 +2453,14 @@ als root aufrufen und dann &quot;Ok&quot; auswählen. </translation>
 <context>
     <name>ResourceCollectionManager</name>
     <message>
-        <source>Could not open resource %1: %2</source>
+        <source>Cannot open resource %1: %2</source>
         <translation>Konnte Ressource %1 nicht öffnen: %2</translation>
     </message>
 </context>
 <context>
     <name>Settings</name>
     <message>
-        <source>Could not open settings file %1 for reading: %2</source>
+        <source>Cannot open settings file %1 for reading: %2</source>
         <translation>Konnte Einstellungsdatei %1 nicht zum Lesen öffnen. Fehlermeldung: %2</translation>
     </message>
 </context>
@@ -2590,7 +2590,7 @@ als root aufrufen und dann &quot;Ok&quot; auswählen. </translation>
         <translation>Registrierungspfad %1 ist nicht beschreibbar</translation>
     </message>
     <message>
-        <source>Could not write to registry path %1</source>
+        <source>Cannot write to registry path %1</source>
         <translation>Konnte nicht in Registrierungspfad %1 schreiben</translation>
     </message>
     <message>
diff --git a/src/sdk/translations/en.ts b/src/sdk/translations/en.ts
index e14431ab0..653a91a81 100644
--- a/src/sdk/translations/en.ts
+++ b/src/sdk/translations/en.ts
@@ -4,7 +4,7 @@
 <context>
     <name>Component</name>
     <message>
-        <source>Could not open archive %1: %2</source>
+        <source>Cannot open archive %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -84,7 +84,7 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not backup existing file %1: %2</source>
+        <source>Cannot backup existing file %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -103,7 +103,7 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open file %1 for writing: %2</source>
+        <source>Cannot open file %1 for writing: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -111,18 +111,18 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1.</source>
+        <source>Cannot restore backup file for %1.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1: %2</source>
+        <source>Cannot restore backup file for %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
 <context>
     <name>KDUpdater::CopyOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -130,19 +130,19 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not delete file %1: %2</source>
+        <source>Cannot delete file %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not restore backup file into %1: %2</source>
+        <source>Cannot restore backup file into %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -239,7 +239,7 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Cannot download %1: Could not create %2: %3</source>
+        <source>Cannot download %1: Cannot create %2: %3</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -273,7 +273,7 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create folder %1: Unknown error.</source>
+        <source>Cannot create folder %1: Unknown error.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -284,7 +284,7 @@
 <context>
     <name>KDUpdater::MoveOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -292,11 +292,11 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -323,7 +323,7 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open %1.</source>
+        <source>Cannot open %1.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -346,11 +346,11 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open file %1 for reading: %2</source>
+        <source>Cannot open file %1 for reading: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open file %1 for writing: %2</source>
+        <source>Cannot open file %1 for writing: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -369,7 +369,7 @@
 <context>
     <name>KDUpdater::ResourceFileDownloader</name>
     <message>
-        <source>Could not read resource file &quot;%1&quot;. Reason:</source>
+        <source>Cannot read resource file &quot;%1&quot;. Reason:</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -380,11 +380,11 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not remove folder %1: The folder does not exist.</source>
+        <source>Cannot remove folder %1: The folder does not exist.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -426,11 +426,11 @@
 <context>
     <name>KDUpdater::UpdateFinder</name>
     <message>
-        <source>Could not access the package information of this application.</source>
+        <source>Cannot access the package information of this application.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not access the update sources information of this application.</source>
+        <source>Cannot access the update sources information of this application.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -442,7 +442,7 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not download updates from %1 (&apos;%2&apos;)</source>
+        <source>Cannot download updates from %1 (&apos;%2&apos;)</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -465,7 +465,7 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -477,14 +477,14 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not save changes to &quot;%1&quot;: %2</source>
+        <source>Cannot save changes to &quot;%1&quot;: %2</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
 <context>
     <name>KDUpdater::UpdatesInfoData</name>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -523,14 +523,14 @@
 <context>
     <name>Lib7z::ExtractItemJob</name>
     <message>
-        <source>Could not list archive: QIODevice not set or already destroyed.</source>
+        <source>Cannot list archive: QIODevice not set or already destroyed.</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
 <context>
     <name>Lib7z::ListArchiveJob</name>
     <message>
-        <source>Could not list archive: QIODevice already destroyed.</source>
+        <source>Cannot list archive: QIODevice already destroyed.</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -560,15 +560,15 @@
 <context>
     <name>QInstaller::Component</name>
     <message>
-        <source>Could not open the requested translation file &apos;%1&apos;.</source>
+        <source>Cannot open the requested translation file &apos;%1&apos;.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not load the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot load the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -576,7 +576,7 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open the requested license file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested license file &apos;%1&apos;. Error: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -732,7 +732,7 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create %0</source>
+        <source>Cannot create %0</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -740,11 +740,11 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not copy %0 to %1, error was: %3</source>
+        <source>Cannot copy %0 to %1, error was: %3</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not remove %0</source>
+        <source>Cannot remove %0</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -763,7 +763,7 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not write Desktop Entry at %1</source>
+        <source>Cannot write Desktop Entry at %1</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -781,11 +781,11 @@
 <context>
     <name>QInstaller::CreateLocalRepositoryOperation</name>
     <message>
-        <source>Could not set file permissions %1!</source>
+        <source>Cannot set file permissions %1!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not move file %1 to %2. Error: %3</source>
+        <source>Cannot move file %1 to %2. Error: %3</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -801,19 +801,19 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open file: %1</source>
+        <source>Cannot open file: %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not read: %1. Error: %2</source>
+        <source>Cannot read: %1. Error: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open file: %1. Error: %2</source>
+        <source>Cannot open file: %1. Error: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create target dir: %1.</source>
+        <source>Cannot create target dir: %1.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -825,7 +825,7 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not remove %0.</source>
+        <source>Cannot remove %0.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -848,11 +848,11 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2.</source>
+        <source>Cannot create folder %1: %2.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create link %1: %2</source>
+        <source>Cannot create link %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -875,15 +875,15 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not verify Hash</source>
+        <source>Cannot verify Hash</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not download archive: %1 : %2</source>
+        <source>Cannot download archive: %1 : %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not fetch archives: %1
+        <source>Cannot fetch archives: %1
 Error while loading %2</source>
         <translation type="unfinished"></translation>
     </message>
@@ -900,7 +900,7 @@ Error while loading %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not find component for: %1.</source>
+        <source>Cannot find component for: %1.</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -915,11 +915,11 @@ Error while loading %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Execution failed: Could not start detached: &quot;%1&quot;</source>
+        <source>Execution failed: Cannot start detached: &quot;%1&quot;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Execution failed: Could not start: &quot;%1&quot;(%2)</source>
+        <source>Execution failed: Cannot start: &quot;%1&quot;(%2)</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -956,7 +956,7 @@ Error while loading %2</source>
 <context>
     <name>QInstaller::ExtractArchiveOperation::Runnable</name>
     <message>
-        <source>Could not open %1 for reading: %2.</source>
+        <source>Cannot open %1 for reading: %2.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -1014,15 +1014,15 @@ Error while loading %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not move Updates.xml to target location. Error: %1</source>
+        <source>Cannot move Updates.xml to target location. Error: %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open Updates.xml for reading. Error: %1</source>
+        <source>Cannot open Updates.xml for reading. Error: %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not fetch a valid version of Updates.xml from repository: %1. Error: %2</source>
+        <source>Cannot fetch a valid version of Updates.xml from repository: %1. Error: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -1042,7 +1042,7 @@ Error while loading %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not fetch Updates.xml from repository: %1. Error: %2</source>
+        <source>Cannot fetch Updates.xml from repository: %1. Error: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -1050,7 +1050,7 @@ Error while loading %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open meta info archive: %1. Error: %2</source>
+        <source>Cannot open meta info archive: %1. Error: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -1062,7 +1062,7 @@ Error while loading %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not download meta information for component: %1. Error: %2</source>
+        <source>Cannot download meta information for component: %1. Error: %2</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -1077,7 +1077,7 @@ Error while loading %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open %1 for reading. Error: %2</source>
+        <source>Cannot open %1 for reading. Error: %2</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -1311,7 +1311,7 @@ Downloading packages...</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not write installer configuration to %1: %2</source>
+        <source>Cannot write installer configuration to %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -1337,11 +1337,11 @@ Downloading packages...</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not write uninstaller data to %1: %2</source>
+        <source>Cannot write uninstaller data to %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not write uninstaller to %1: %2</source>
+        <source>Cannot write uninstaller to %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -1349,7 +1349,7 @@ Downloading packages...</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not write uninstaller binary data to %1: %2</source>
+        <source>Cannot write uninstaller binary data to %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -1446,7 +1446,7 @@ Installing component %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not retrieve remote tree: %1.</source>
+        <source>Cannot retrieve remote tree: %1.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -1454,15 +1454,15 @@ Installing component %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not retrieve meta information: %1</source>
+        <source>Cannot retrieve meta information: %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not add temporary update source information.</source>
+        <source>Cannot add temporary update source information.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not find any update source information.</source>
+        <source>Cannot find any update source information.</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -1579,7 +1579,7 @@ Please copy the installer to a local drive</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not find the needed QmakeOutputInstallerKey(%1) value on the installer object. The ConsumeOutput operation on the valid qmake needs to be called first.</source>
+        <source>Cannot find the needed QmakeOutputInstallerKey(%1) value on the installer object. The ConsumeOutput operation on the valid qmake needs to be called first.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -1808,7 +1808,7 @@ Sometimes it helps to restart the installer with a switched off antivirus softwa
 <context>
     <name>QInstaller::ScriptEngine</name>
     <message>
-        <source>Could not open the requested script file at %1: %2.</source>
+        <source>Cannot open the requested script file at %1: %2.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -1816,7 +1816,7 @@ Sometimes it helps to restart the installer with a switched off antivirus softwa
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not load the component script inside a script context: &apos;%1&apos;</source>
+        <source>Cannot load the component script inside a script context: &apos;%1&apos;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2044,15 +2044,15 @@ needs to be less than 255 characters.</source>
 <context>
     <name>QInstallerCreator::Archive</name>
     <message>
-        <source>Could not create %1: %2</source>
+        <source>Cannot create %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open archive file %1 for reading.</source>
+        <source>Cannot open archive file %1 for reading.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create archive from %1: Not a file.</source>
+        <source>Cannot create archive from %1: Not a file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2067,7 +2067,7 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not seek to %1 in file %2: %3</source>
+        <source>Cannot seek to %1 in file %2: %3</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2083,35 +2083,35 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not seek to in-binary resource. (offset: %1, length: %2)</source>
+        <source>Cannot seek to in-binary resource. (offset: %1, length: %2)</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not register in-binary resource.</source>
+        <source>Cannot register in-binary resource.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open binary %1: %2</source>
+        <source>Cannot open binary %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not seek to binary layout section.</source>
+        <source>Cannot seek to binary layout section.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not seek to metadata index.</source>
+        <source>Cannot seek to metadata index.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not seek to operation list.</source>
+        <source>Cannot seek to operation list.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not seek to component index information.</source>
+        <source>Cannot seek to component index information.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not seek to component index.</source>
+        <source>Cannot seek to component index.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2131,55 +2131,55 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create folder %1</source>
+        <source>Cannot create folder %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not copy file from %1 to %2: %3</source>
+        <source>Cannot copy file from %1 to %2: %3</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not move file from %1 to %2: %3</source>
+        <source>Cannot move file from %1 to %2: %3</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2</source>
+        <source>Cannot create folder %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open temporary file: %1</source>
+        <source>Cannot open temporary file: %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open temporary file for template %1: %2</source>
+        <source>Cannot open temporary file for template %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create temporary folder for template %1: %2</source>
+        <source>Cannot create temporary folder for template %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create lock file %1: %2</source>
+        <source>Cannot create lock file %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not write PID to lock file %1: %2</source>
+        <source>Cannot write PID to lock file %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not lock lock file %1: %2</source>
+        <source>Cannot lock lock file %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not unlock lock file %1: %2</source>
+        <source>Cannot unlock lock file %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2187,15 +2187,15 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create folder: %1</source>
+        <source>Cannot create folder: %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create temporary file</source>
+        <source>Cannot create temporary file</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not retrieve property %1 for item %2</source>
+        <source>Cannot retrieve property %1 for item %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2203,11 +2203,11 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not convert file time to local time</source>
+        <source>Cannot convert file time to local time</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not convert local file time to system time</source>
+        <source>Cannot convert local file time to system time</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2215,15 +2215,15 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open archive</source>
+        <source>Cannot open archive</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2231,11 +2231,11 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not retrieve number of items in archive</source>
+        <source>Cannot retrieve number of items in archive</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2247,23 +2247,23 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not remove already existing symlink. %1</source>
+        <source>Cannot remove already existing symlink. %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open file: %1 (%2)</source>
+        <source>Cannot open file: %1 (%2)</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create symlink at &apos;%1&apos;. Another one is already existing.</source>
+        <source>Cannot create symlink at &apos;%1&apos;. Another one is already existing.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not read symlink target from file &apos;%1&apos;.</source>
+        <source>Cannot read symlink target from file &apos;%1&apos;.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create symlink at %1. %2</source>
+        <source>Cannot create symlink at %1. %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2279,7 +2279,7 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create archive %1. %2</source>
+        <source>Cannot create archive %1. %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2295,7 +2295,7 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create output file for writing: %1</source>
+        <source>Cannot create output file for writing: %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2311,15 +2311,15 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not backup file %1</source>
+        <source>Cannot backup file %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not delete file %1</source>
+        <source>Cannot delete file %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not restore backup file into %1</source>
+        <source>Cannot restore backup file into %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2331,7 +2331,7 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not write to registry path %1</source>
+        <source>Cannot write to registry path %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2339,7 +2339,7 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2347,7 +2347,7 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create folder at %1: %2</source>
+        <source>Cannot create folder at %1: %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2379,11 +2379,11 @@ needs to be less than 255 characters.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not create link from %1 to %2.</source>
+        <source>Cannot create link from %1 to %2.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not remove link from %1 to %2.</source>
+        <source>Cannot remove link from %1 to %2.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2418,7 +2418,7 @@ as root and then clicking ok.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not get package manager core.</source>
+        <source>Cannot get package manager core.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
@@ -2433,7 +2433,7 @@ as root and then clicking ok.</source>
 <context>
     <name>Settings</name>
     <message>
-        <source>Could not open settings file %1 for reading: %2</source>
+        <source>Cannot open settings file %1 for reading: %2</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -2638,7 +2638,7 @@ Do you want to continue?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not parse Updates.xml! Error: %1.</source>
+        <source>Cannot parse Updates.xml! Error: %1.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
diff --git a/src/sdk/translations/fr.ts b/src/sdk/translations/fr.ts
index 72d27680d..615dcc5cf 100644
--- a/src/sdk/translations/fr.ts
+++ b/src/sdk/translations/fr.ts
@@ -15,26 +15,26 @@
 <context>
     <name>BinaryContent</name>
     <message>
-        <source>Could not seek to %1 to read the operation data.</source>
+        <source>Cannot seek to %1 to read the operation data.</source>
         <translation>Impossible de rechercher dans %1 pour lire les données d&apos;exploitation.</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection block.</source>
+        <source>Cannot seek to %1 to read the resource collection block.</source>
         <translation>Impossible de rechercher dans %1 pour lire l&apos;ensemble des ressources.</translation>
     </message>
     <message>
-        <source>Could not open meta resource. Error: %1</source>
+        <source>Cannot open meta resource. Error: %1</source>
         <translation>Impossible d&apos;ouvrir les métadonnées des ressources. Erreur : %1</translation>
     </message>
 </context>
 <context>
     <name>BinaryLayout</name>
     <message>
-        <source>Could not seek to %1 to read the embedded meta data count.</source>
+        <source>Cannot seek to %1 to read the embedded meta data count.</source>
         <translation>Impossible de rechercher dans %1 pour lire  le nombre de métadonnées.</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection segment.</source>
+        <source>Cannot seek to %1 to read the resource collection segment.</source>
         <translation>Impossible de rechercher dans %1 pour lire le segment de l&apos;ensemble des ressources.</translation>
     </message>
     <message>
@@ -72,34 +72,34 @@
         <translation>Le chemin existe mais n&apos;est pas un dossier : %1</translation>
     </message>
     <message>
-        <source>Could not create folder: %1</source>
+        <source>Cannot create folder: %1</source>
         <translation>Impossible de créer le dossier : %1</translation>
     </message>
 </context>
 <context>
     <name>ExtractCallbackImpl</name>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>Impossible de récupérer le chemin de l&apos;élément %1</translation>
     </message>
     <message>
-        <source>Could not remove already existing symlink. %1</source>
+        <source>Cannot remove already existing symlink. %1</source>
         <translation>Impossible de supprimer le lien symbolique existant. %1</translation>
     </message>
     <message>
-        <source>Could not open file: %1 (%2)</source>
+        <source>Cannot open file: %1 (%2)</source>
         <translation>Impossible d&apos;ouvrir le fichier %1 (%2)</translation>
     </message>
     <message>
-        <source>Could not create symlink at &apos;%1&apos;. Another one is already existing.</source>
+        <source>Cannot create symlink at &apos;%1&apos;. Another one is already existing.</source>
         <translation>Impossible de créer le lien symbolique à &apos;%1&apos;. Un autre existe déjà.</translation>
     </message>
     <message>
-        <source>Could not read symlink target from file &apos;%1&apos;.</source>
+        <source>Cannot read symlink target from file &apos;%1&apos;.</source>
         <translation>Impossible de récupérer la cible du lien symbolique du fichier &apos;%1&apos;.</translation>
     </message>
     <message>
-        <source>Could not create symlink at %1. %2</source>
+        <source>Cannot create symlink at %1. %2</source>
         <translation>Impossible de créer le lien symbolique à %1. %2</translation>
     </message>
 </context>
@@ -140,19 +140,19 @@
 <context>
     <name>KDLockFile</name>
     <message>
-        <source>Could not create lock file &apos;%1&apos;: %2</source>
+        <source>Cannot create lock file &apos;%1&apos;: %2</source>
         <translation>Impossible de poser un fichier de verrouillage &apos;%1&apos; : %2</translation>
     </message>
     <message>
-        <source>Could not write PID to lock file &apos;%1&apos;: %2</source>
+        <source>Cannot write PID to lock file &apos;%1&apos;: %2</source>
         <translation>Impossible d&apos;écrire le PID pour le verrou de fichier &apos;%1&apos; : &apos;%2&apos;</translation>
     </message>
     <message>
-        <source>Could not obtain the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot obtain the lock for file &apos;%1&apos;: %2</source>
         <translation>Impossible d&apos;obtenir le verrou pour le fichier &apos;%1&apos; : %2</translation>
     </message>
     <message>
-        <source>Could not release the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot release the lock for file &apos;%1&apos;: %2</source>
         <translation>Impossible de relâcher le verrou pour le fichier &apos;%1&apos; : %2</translation>
     </message>
 </context>
@@ -171,7 +171,7 @@
         <translation>exactement 2</translation>
     </message>
     <message>
-        <source>Could not open file &apos;%1&apos; for writing: %2</source>
+        <source>Cannot open file &apos;%1&apos; for writing: %2</source>
         <translation>Impossible d&apos;ouvrir le fichier %1 en écriture : %2</translation>
     </message>
     <message>
@@ -179,18 +179,18 @@
         <translation>Impossible de trouver la sauvegarde du fichier %1.</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1.</source>
+        <source>Cannot restore backup file for %1.</source>
         <translation>Impossible de charger la sauvegarde du fichier %1.</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1: %2</source>
+        <source>Cannot restore backup file for %1: %2</source>
         <translation>Impossible de restaurer la sauvegarde du fichier %1 : %2</translation>
     </message>
 </context>
 <context>
     <name>KDUpdater::CopyOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>Impossible de faire une sauvegarde du fichier %1.</translation>
     </message>
     <message>
@@ -198,23 +198,23 @@
         <translation>Arguments invalides : %1 arguments fournis, 2 attendus.</translation>
     </message>
     <message>
-        <source>Could not copy a non-existent file: %1</source>
+        <source>Cannot copy a non-existent file: %1</source>
         <translation>Impossible de copier un fichier non-existant : %1</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>Impossible de supprimer le fichier de destination %1 : %2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>Impossible de copier %1 vers %2 : %3</translation>
     </message>
     <message>
-        <source>Could not delete file %1: %2</source>
+        <source>Cannot delete file %1: %2</source>
         <translation>Impossible de supprimer le fichier %1 : %2</translation>
     </message>
     <message>
-        <source>Could not restore backup file into %1: %2</source>
+        <source>Cannot restore backup file into %1: %2</source>
         <translation>Impossible de restaurer la sauvegarde du fichier vers %1 : %2</translation>
     </message>
 </context>
@@ -303,7 +303,7 @@
         <translation>Impossible de télécharger %1 : l&apos;écriture du fichier &apos;%2&apos; à échoué : %3</translation>
     </message>
     <message>
-        <source>Cannot download %1: Could not create %2: %3</source>
+        <source>Cannot download %1: Cannot create %2: %3</source>
         <translation>Impossible de télécharger %1 : impossible de créer %2 : %3</translation>
     </message>
     <message>
@@ -357,7 +357,7 @@
         <translation>Arguments invalides : %1 arguments fournis, 1 seul attendu.</translation>
     </message>
     <message>
-        <source>Could not create folder %1: Unknown error.</source>
+        <source>Cannot create folder %1: Unknown error.</source>
         <translation>Impossible de créer le dossier %1 : erreur indéterminée.</translation>
     </message>
     <message>
@@ -368,7 +368,7 @@
 <context>
     <name>KDUpdater::MoveOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>Impossible de sauvegarder le fichier %1.</translation>
     </message>
     <message>
@@ -376,11 +376,11 @@
         <translation>Arguments invalides : %1 arguments fournis, 2 attendus.</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>Impossible de supprimer le fichier de destination %1 : %2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>Impossible de copier %1 vers %2 : %3</translation>
     </message>
     <message>
@@ -407,7 +407,7 @@
         <translation>Le fichier %1 n&apos;existe pas.</translation>
     </message>
     <message>
-        <source>Could not open %1.</source>
+        <source>Cannot open %1.</source>
         <translation>Impossible d&apos;ouvrir %1.</translation>
     </message>
     <message>
@@ -430,11 +430,11 @@
         <translation>Arguments invalides : %1 arguments fournis, 2 attendus.</translation>
     </message>
     <message>
-        <source>Could not open file %1 for reading: %2</source>
+        <source>Cannot open file %1 for reading: %2</source>
         <translation>Impossible d&apos;ouvrir le fichier %1 en lecture : %2</translation>
     </message>
     <message>
-        <source>Could not open file %1 for writing: %2</source>
+        <source>Cannot open file %1 for writing: %2</source>
         <translation>Impossible d&apos;ouvrir le fichier %1 en écriture : %2</translation>
     </message>
     <message>
@@ -453,7 +453,7 @@
 <context>
     <name>KDUpdater::ResourceFileDownloader</name>
     <message>
-        <source>Could not read resource file &quot;%1&quot;. Reason:</source>
+        <source>Cannot read resource file &quot;%1&quot;. Reason:</source>
         <translation>Impossible de lire le fichier de ressources &quot;%1&quot;. Raison : </translation>
     </message>
 </context>
@@ -464,11 +464,11 @@
         <translation>Arguments invalides : %1 arguments fournis, 1 seul attendu.</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: The folder does not exist.</source>
+        <source>Cannot remove folder %1: The folder does not exist.</source>
         <translation>Impossible de supprimer le dossier %1 : ce dossier n&apos;existe pas.</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>Impossible de supprimer le dossier %1 : %2</translation>
     </message>
     <message>
@@ -510,11 +510,11 @@
 <context>
     <name>KDUpdater::UpdateFinder</name>
     <message>
-        <source>Could not access the package information of this application.</source>
+        <source>Cannot access the package information of this application.</source>
         <translation>Impossible d&apos;accéder aux informations contenues dans ce paquet pour cette application.</translation>
     </message>
     <message>
-        <source>Could not access the update sources information of this application.</source>
+        <source>Cannot access the update sources information of this application.</source>
         <translation>Impossible d&apos;accéder aux informations de mise à jour pour cette application.</translation>
     </message>
     <message>
@@ -529,7 +529,7 @@
         </translation>
     </message>
     <message>
-        <source>Could not download update source %1 from (&apos;%2&apos;)</source>
+        <source>Cannot download update source %1 from (&apos;%2&apos;)</source>
         <translation>Impossible de télécharger l&apos;emplacement des mises à jour pour %1 (&apos;%2&apos;)</translation>
     </message>
     <message>
@@ -552,7 +552,7 @@
         <translation>%1 contient des informations invalides : %2</translation>
     </message>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>Impossible de lire &quot;%1&quot;</translation>
     </message>
     <message>
@@ -564,14 +564,14 @@
         <translation>Élément racine %1 inattendu, il devrait se trouver dans &quot;UpdateSources&quot;</translation>
     </message>
     <message>
-        <source>Could not save changes to &quot;%1&quot;: %2</source>
+        <source>Cannot save changes to &quot;%1&quot;: %2</source>
         <translation>Impossible de sauvegarder les changements dans &quot;%1&quot; : %2</translation>
     </message>
 </context>
 <context>
     <name>KDUpdater::UpdatesInfoData</name>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>Impossible de lire &quot;%1&quot;</translation>
     </message>
     <message>
@@ -610,11 +610,11 @@
 <context>
     <name>Lib7z</name>
     <message>
-        <source>Could not retrieve number of items in archive</source>
+        <source>Cannot retrieve number of items in archive</source>
         <translation>Impossible de récupérer le nombre d&apos;éléments dans l&apos;archive</translation>
     </message>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>Impossible de récupérer le chemin de l&apos;élément %1</translation>
     </message>
     <message>
@@ -634,15 +634,15 @@
         <translation>Erreur : %1</translation>
     </message>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>Impossible de charger les codecs</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>Impossible de récupérer le format par défaut</translation>
     </message>
     <message>
-        <source>Could not create archive %1. %2</source>
+        <source>Cannot create archive %1. %2</source>
         <translation>Impossible de créer l&apos;archive %1. %2</translation>
     </message>
     <message>
@@ -654,14 +654,14 @@
         <translation>Index de l&apos;élément %1 hors limites [0, %2]</translation>
     </message>
     <message>
-        <source>Could not create output file for writing: %1</source>
+        <source>Cannot create output file for writing: %1</source>
         <translation>Impossible de créer le fichier de sortie : %1</translation>
     </message>
 </context>
 <context>
     <name>Lib7z::ExtractItemJob</name>
     <message>
-        <source>Could not list archive: QIODevice not set or already destroyed.</source>
+        <source>Cannot list archive: QIODevice not set or already destroyed.</source>
         <translation>Impossible de lister l&apos;archive : QIODevice n&apos;est pas renseigné ou à déjà été détruit.</translation>
     </message>
     <message>
@@ -680,7 +680,7 @@
 <context>
     <name>Lib7z::ListArchiveJob</name>
     <message>
-        <source>Could not list archive: QIODevice already destroyed.</source>
+        <source>Cannot list archive: QIODevice already destroyed.</source>
         <translation>Impossible de lister l&apos;archive : QIODevice n&apos;est pas renseigné ou à déjà été détruit.</translation>
     </message>
     <message>
@@ -695,15 +695,15 @@
 <context>
     <name>OpenArchiveInfo</name>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>Impossible de charger les codecs</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>Impossible de récupérer le format par défaut</translation>
     </message>
     <message>
-        <source>Could not open archive</source>
+        <source>Cannot open archive</source>
         <translation>Impossible d&apos;ouvrir l&apos;archive</translation>
     </message>
     <message>
@@ -781,43 +781,43 @@
         <translation>YiB</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>Impossible de supprimer le fichier %1 : %2</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>Impossible de supprimer le dossier %1 : %2</translation>
     </message>
     <message>
-        <source>Could not create folder %1</source>
+        <source>Cannot create folder %1</source>
         <translation>Impossible de créer le dossier %1</translation>
     </message>
     <message>
-        <source>Could not copy file from %1 to %2: %3</source>
+        <source>Cannot copy file from %1 to %2: %3</source>
         <translation>Impossible de copier le fichier de %1 vers %2 : %3</translation>
     </message>
     <message>
-        <source>Could not move file from %1 to %2: %3</source>
+        <source>Cannot move file from %1 to %2: %3</source>
         <translation>Impossible de déplacer le fichier de %1 vers %2 : %3</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2</source>
+        <source>Cannot create folder %1: %2</source>
         <translation>Impossible de créer le dossier %1 : %2</translation>
     </message>
     <message>
-        <source>Could not open temporary file: %1</source>
+        <source>Cannot open temporary file: %1</source>
         <translation>Impossible d&apos;ouvrir le fichier temporaire : %1</translation>
     </message>
     <message>
-        <source>Could not open temporary file for template %1: %2</source>
+        <source>Cannot open temporary file for template %1: %2</source>
         <translation>Impossible d&apos;ouvrir le fichier temporaire pour le modèle %1 : %2</translation>
     </message>
     <message>
-        <source>Could not create temporary file</source>
+        <source>Cannot create temporary file</source>
         <translation>Impossible de créer le fichier temporaire</translation>
     </message>
     <message>
-        <source>Could not retrieve property %1 for item %2</source>
+        <source>Cannot retrieve property %1 for item %2</source>
         <translation>Impossible de récupérer la propriété %1 pour l&apos;élément %2</translation>
     </message>
     <message>
@@ -825,11 +825,11 @@
         <translation>Propriété %1 pour l&apos;élément %2 n&apos;est pas de type VT_FILETIME mais %3</translation>
     </message>
     <message>
-        <source>Could not convert file time to local time</source>
+        <source>Cannot convert file time to local time</source>
         <translation>Impossible de convertir l&apos;heure du fichier vers l&apos;heure locale</translation>
     </message>
     <message>
-        <source>Could not convert local file time to system time</source>
+        <source>Cannot convert local file time to system time</source>
         <translation>Impossible de convertir l&apos;heure du fichier vers l&apos;heure du système</translation>
     </message>
     <message>
@@ -852,15 +852,15 @@
         <translation>Les composants ne peuvent avoir de composants fils en mode mise-à-jour.</translation>
     </message>
     <message>
-        <source>Could not open the requested translation file &apos;%1&apos;.</source>
+        <source>Cannot open the requested translation file &apos;%1&apos;.</source>
         <translation>Impossible d&apos;ouvrir le fichier de traduction &apos;%1&apos;.</translation>
     </message>
     <message>
-        <source>Could not open the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>Impossible d&apos;ouvir le fichier d&apos;IHM &apos;%1&apos;. Erreur : %2</translation>
     </message>
     <message>
-        <source>Could not load the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot load the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>Impossible de charger le fichier d&apos;IHM &apos;%1&apos;. Erreur : %2</translation>
     </message>
     <message>
@@ -868,7 +868,7 @@
         <translation>Impossible d&apos;analyser &apos;isDefault&apos; dans %1</translation>
     </message>
     <message>
-        <source>Could not open the requested license file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested license file &apos;%1&apos;. Error: %2</source>
         <translation>Impossible d&apos;ouvrir le fichier de licence &apos;%1&apos;. Erreur %2</translation>
     </message>
     <message>
@@ -1044,7 +1044,7 @@
         <translation>Arguments invalides dans %0 : les dossier sont invalides : %1 %2</translation>
     </message>
     <message>
-        <source>Could not create %0</source>
+        <source>Cannot create %0</source>
         <translation>Impossible de créer %0</translation>
     </message>
     <message>
@@ -1052,11 +1052,11 @@
         <translation>L&apos;écrasement de %1 à échoué</translation>
     </message>
     <message>
-        <source>Could not copy %0 to %1, error was: %3</source>
+        <source>Cannot copy %0 to %1, error was: %3</source>
         <translation>Impossible de copier %0 vers %1, l&apos;erreur rencontrée est : %3</translation>
     </message>
     <message>
-        <source>Could not remove %0</source>
+        <source>Cannot remove %0</source>
         <translation>Impossible de supprimer %0</translation>
     </message>
 </context>
@@ -1067,11 +1067,11 @@
         <translation>Nombre incorrect d&apos;éléments de la tâche.</translation>
     </message>
     <message>
-        <source>Could not open source &apos;%1&apos; for read. Error: %2.</source>
+        <source>Cannot open source &apos;%1&apos; for read. Error: %2.</source>
         <translation>Impossible d&apos;ouvrir le fichier source &apos;%1&apos; en lecture. Erreur : %2.</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <translation>Impossible d&apos;ouvrir le fichier source &apos;%1&apos; en écriture. Erreur : %2.</translation>
     </message>
     <message>
@@ -1082,7 +1082,7 @@
 <context>
     <name>QInstaller::CreateDesktopEntryOperation</name>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>Impossible de faire une sauvegarde du fichier %1 : %2</translation>
     </message>
     <message>
@@ -1098,7 +1098,7 @@
         <translation>L&apos;écrasement de %1 à échoué</translation>
     </message>
     <message>
-        <source>Could not write Desktop Entry at %1</source>
+        <source>Cannot write Desktop Entry at %1</source>
         <translation>Impossible d&apos;écrire un élément &apos;Desktop Entry&apos; vers %1</translation>
     </message>
 </context>
@@ -1113,26 +1113,26 @@
         <translation>exactement 2</translation>
     </message>
     <message>
-        <source>Could not create link from %1 to %2.</source>
+        <source>Cannot create link from %1 to %2.</source>
         <translation>Impossible de créer le lien symbolique de %1 vers %2.</translation>
     </message>
     <message>
-        <source>Could not remove link from %1 to %2.</source>
+        <source>Cannot remove link from %1 to %2.</source>
         <translation>Impossible de supprimer le lien de %1 vers %2.</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::CreateLocalRepositoryOperation</name>
     <message>
-        <source>Could not set file permissions %1!</source>
+        <source>Cannot set file permissions %1!</source>
         <translation>Impossible d&apos;attribuer les autorisations du fichier %1 !</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>Impossible de supprimer le fichier %1 : %2</translation>
     </message>
     <message>
-        <source>Could not move file %1 to %2. Error: %3</source>
+        <source>Cannot move file %1 to %2. Error: %3</source>
         <translation>Impossible de déplacer le fichier %1 vers %2. Erreur : %3</translation>
     </message>
     <message>
@@ -1148,19 +1148,19 @@
         <translation>L&apos;installeur devrait être une version hors ligne : %1.</translation>
     </message>
     <message>
-        <source>Could not open file: %1</source>
+        <source>Cannot open file: %1</source>
         <translation>Impossible d&apos;ouvrir le fichier %1</translation>
     </message>
     <message>
-        <source>Could not read: %1. Error: %2</source>
+        <source>Cannot read: %1. Error: %2</source>
         <translation>Impossible de lire : %1. Erreur : %2</translation>
     </message>
     <message>
-        <source>Could not open file: %1. Error: %2</source>
+        <source>Cannot open file: %1. Error: %2</source>
         <translation>Impossible d&apos;ouvrir le fichier %1. Erreur : %2</translation>
     </message>
     <message>
-        <source>Could not create target dir: %1.</source>
+        <source>Cannot create target dir: %1.</source>
         <translation>Impossible de créer le dossier cible : %1.</translation>
     </message>
     <message>
@@ -1172,7 +1172,7 @@
         <translation>Suppression du fichier : %0</translation>
     </message>
     <message>
-        <source>Could not remove %0.</source>
+        <source>Cannot remove %0.</source>
         <translation>Impossible de supprimer %0.</translation>
     </message>
     <message>
@@ -1195,7 +1195,7 @@
         <translation>(optionnel : &apos;workingDirectory=...&apos;, &apos;iconPath=...&apos;, &apos;iconId=...&apos;)</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2.</source>
+        <source>Cannot create folder %1: %2.</source>
         <translation>Impossible de créer le dossier %1 : %2.</translation>
     </message>
     <message>
@@ -1203,7 +1203,7 @@
         <translation>L&apos;écrasement de %1 à échoué : %2</translation>
     </message>
     <message>
-        <source>Could not create link %1: %2</source>
+        <source>Cannot create link %1: %2</source>
         <translation>Impossible de créer le raccourci %1 : %2</translation>
     </message>
 </context>
@@ -1226,15 +1226,15 @@
         <translation>La vérification de l&apos;empreinte pendant le téléchargement à échoué. C&apos;est une erreur temporaire, veuillez réessayer.</translation>
     </message>
     <message>
-        <source>Could not verify Hash</source>
+        <source>Cannot verify Hash</source>
         <translation>Impossible de vérifier l&apos;empreinte</translation>
     </message>
     <message>
-        <source>Could not download archive: %1 : %2</source>
+        <source>Cannot download archive: %1 : %2</source>
         <translation>Impossible de télécharger l&apos;archive : %1 : %2</translation>
     </message>
     <message>
-        <source>Could not fetch archives: %1
+        <source>Cannot fetch archives: %1
 Error while loading %2</source>
         <translation>Impossible de charger les archives : %1
 Erreur pendant le chargement %2</translation>
@@ -1248,7 +1248,7 @@ Erreur pendant le chargement %2</translation>
         <translation>Schéma non supporté : %1 (%2)</translation>
     </message>
     <message>
-        <source>Could not find component for: %1.</source>
+        <source>Cannot find component for: %1.</source>
         <translation>Impossible de trouver le composant pour : %1.</translation>
     </message>
 </context>
@@ -1296,7 +1296,7 @@ Erreur pendant le chargement %2</translation>
         <translation>Le fichier cible &apos;%1&apos; existe déjà mais il n&apos;est pas de type fichier.</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <extracomment>%2 is a sentence describing the error</extracomment>
         <translation>Impossible d&apos;ouvrir le fichier cible &apos;%1&apos; en écriture. Erreur : %2.</translation>
     </message>
@@ -1312,11 +1312,11 @@ Erreur pendant le chargement %2</translation>
         <translation>au moins 1</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start detached: &quot;%1&quot;</source>
+        <source>Execution failed: Cannot start detached: &quot;%1&quot;</source>
         <translation>L&apos;exécution à échouée : impossible de démarrer en mode arrière plan : &quot;%1&quot;</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start: &quot;%1&quot;(%2)</source>
+        <source>Execution failed: Cannot start: &quot;%1&quot;(%2)</source>
         <translation>L&apos;exécution à échouée : impossible de démarrer &quot;%1&quot; (%2)</translation>
     </message>
     <message>
@@ -1353,7 +1353,7 @@ Erreur pendant le chargement %2</translation>
 <context>
     <name>QInstaller::ExtractArchiveOperation::Runnable</name>
     <message>
-        <source>Could not open %1 for reading: %2.</source>
+        <source>Cannot open %1 for reading: %2.</source>
         <translation>Impossible d&apos;ouvrir %1 en lecture : %2.</translation>
     </message>
     <message>
@@ -1372,7 +1372,7 @@ Erreur pendant le chargement %2</translation>
         <translation>Le nombre d&apos;arguments ne correspond pas : un seul est requis</translation>
     </message>
     <message>
-        <source>Could not get package manager core.</source>
+        <source>Cannot get package manager core.</source>
         <translation>Impossible de récupérer le noyau du gestionnaire de paquets.</translation>
     </message>
     <message>
@@ -1500,7 +1500,7 @@ Erreur pendant le chargement %2</translation>
         <translation>Argument invalide : le dossier source ne peut être vide.</translation>
     </message>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>Impossible de faire une sauvegarde du fichier %1 : %2</translation>
     </message>
     <message>
@@ -1512,7 +1512,7 @@ Erreur pendant le chargement %2</translation>
         <translation>La copie du fichier %1 à échoué : %2</translation>
     </message>
     <message>
-        <source>Could not create folder at %1: %2</source>
+        <source>Cannot create folder at %1: %2</source>
         <translation>Impossible de créer le dossier %1 : %2</translation>
     </message>
 </context>
@@ -1691,7 +1691,7 @@ Erreur pendant le chargement %2</translation>
         <translation>Une exception non spécifiée a été attrapée pendant l&apos;extraction de %1.</translation>
     </message>
     <message>
-        <source>Could not open %1 for reading. Error: %2</source>
+        <source>Cannot open %1 for reading. Error: %2</source>
         <translation>Impossible d&apos;ouvrir %1 en lecture : %2</translation>
     </message>
 </context>
@@ -1779,7 +1779,7 @@ Téléchargement des paquets...</translation>
         <translation>Erreur de formatage</translation>
     </message>
     <message>
-        <source>Could not write installer configuration to %1: %2</source>
+        <source>Cannot write installer configuration to %1: %2</source>
         <translation>Impossible d&apos;écrire la configuration de l&apos;installeur vers %1 : %2</translation>
     </message>
     <message>
@@ -1863,19 +1863,19 @@ Mise à jour annulée !</translation>
         <translation>L&apos;Outil de Maintenance n&apos;est pas un Bundle</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool data to %1: %2</source>
+        <source>Cannot write maintenance tool data to %1: %2</source>
         <translation>Impossible d&apos;écrire les données de l&apos;Outil de Maintenance vers %1 : %2</translation>
     </message>
     <message>
-        <source>Could not remove data file &apos;%1&apos;: %2</source>
+        <source>Cannot remove data file &apos;%1&apos;: %2</source>
         <translation>Impossible de supprimer le fichier &apos;%1&apos; : %2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool to %1: %2</source>
+        <source>Cannot write maintenance tool to %1: %2</source>
         <translation>Impossible d&apos;écrire l&apos;Outil de Maintenance vers %1 : %2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool binary data to %1: %2</source>
+        <source>Cannot write maintenance tool binary data to %1: %2</source>
         <translation>Impossible d&apos;écrire les données de l&apos;Outil de Maintenance vers %1 : %2</translation>
     </message>
     <message>
@@ -1925,7 +1925,7 @@ Installation du composant %1</translation>
         <translation>Erreur non déterminée</translation>
     </message>
     <message>
-        <source>Could not retrieve remote tree: %1.</source>
+        <source>Cannot retrieve remote tree: %1.</source>
         <translation>Impossible de récupérer l&apos;arborescence distante : %1.</translation>
     </message>
     <message>
@@ -1933,15 +1933,15 @@ Installation du composant %1</translation>
         <translation>Impossible de lire les paquets à partir de : %1.</translation>
     </message>
     <message>
-        <source>Could not retrieve meta information: %1</source>
+        <source>Cannot retrieve meta information: %1</source>
         <translation>Impossible de récupérer les métadonnées : %1</translation>
     </message>
     <message>
-        <source>Could not add temporary update source information.</source>
+        <source>Cannot add temporary update source information.</source>
         <translation>Impossible d&apos;ajouter des information de source de mise à jour temporaire.</translation>
     </message>
     <message>
-        <source>Could not find any update source information.</source>
+        <source>Cannot find any update source information.</source>
         <translation>Impossible de trouver des informations de source de mise à jour.</translation>
     </message>
     <message>
@@ -2156,14 +2156,14 @@ Veuillez copier cet installateur sur un disque local</translation>
 <context>
     <name>QInstaller::RemoteObject</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>Impossible de lire les données après envoi de la commande : %1. Octets attendus : %2, reçus : %3. Erreur : %4</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::RemoteServerConnection</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>Impossible de lire les données après envoi de la commande : %1. Octets attendus : %2, reçus : %3. Erreur : %4</translation>
     </message>
 </context>
@@ -2189,7 +2189,7 @@ Veuillez copier cet installateur sur un disque local</translation>
 <context>
     <name>QInstaller::Resource</name>
     <message>
-        <source>Could not open Resource &apos;%1&apos; read-only.</source>
+        <source>Cannot open Resource &apos;%1&apos; read-only.</source>
         <translation>Le fichier de ressource &apos;%1&apos; ne peut être ouvert en lecture seule.</translation>
     </message>
     <message>
@@ -2211,7 +2211,7 @@ Veuillez copier cet installateur sur un disque local</translation>
 <context>
     <name>QInstaller::ScriptEngine</name>
     <message>
-        <source>Could not open the requested script file at %1: %2.</source>
+        <source>Cannot open the requested script file at %1: %2.</source>
         <translation>Impossible d&apos;ouvrir le fichier de script requis à %1 : %2.</translation>
     </message>
     <message>
@@ -2408,7 +2408,7 @@ Il est déconseillé d&apos;installer dans ce dossier dans le cas où l&apos;ins
         <translation>Délai d&apos;attente dépassé pendant le test de : &apos;%1&apos;</translation>
     </message>
     <message>
-        <source>Could not parse Updates.xml! Error: %1.</source>
+        <source>Cannot parse Updates.xml! Error: %1.</source>
         <translation>Impossible d&apos;analyser &apos;Updates.xml&apos;. Erreur : %1.</translation>
     </message>
     <message>
@@ -2438,11 +2438,11 @@ Il est déconseillé d&apos;installer dans ce dossier dans le cas où l&apos;ins
 <context>
     <name>RemoteClient</name>
     <message>
-        <source>Could not get authorization.</source>
+        <source>Cannot get authorization.</source>
         <translation>Impossible d&apos;obtenir les autorisations nécessaires.</translation>
     </message>
     <message>
-        <source>Could not get authorization that is needed for continuing the installation.
+        <source>Cannot get authorization that is needed for continuing the installation.
  Either abort the installation or use the fallback solution by running
 
 %1
@@ -2459,14 +2459,14 @@ en tant que root et en cliquant sur OK.</translation>
 <context>
     <name>ResourceCollectionManager</name>
     <message>
-        <source>Could not open resource %1: %2</source>
+        <source>Cannot open resource %1: %2</source>
         <translation>Impossible d&apos;ouvrir la ressource %1 : %2</translation>
     </message>
 </context>
 <context>
     <name>Settings</name>
     <message>
-        <source>Could not open settings file %1 for reading: %2</source>
+        <source>Cannot open settings file %1 for reading: %2</source>
         <translation>Impossible d&apos;ouvrir le fichier de préférences %1 en lecture : %2</translation>
     </message>
 </context>
@@ -2596,7 +2596,7 @@ en tant que root et en cliquant sur OK.</translation>
         <translation>Le chemin du registre %1 n&apos;est pas accessible en écriture</translation>
     </message>
     <message>
-        <source>Could not write to registry path %1</source>
+        <source>Cannot write to registry path %1</source>
         <translation>Impossible d&apos;écrire dans le registre le chemin %1</translation>
     </message>
     <message>
diff --git a/src/sdk/translations/it.ts b/src/sdk/translations/it.ts
index 8aa0f1245..17ec711f1 100644
--- a/src/sdk/translations/it.ts
+++ b/src/sdk/translations/it.ts
@@ -15,26 +15,26 @@
 <context>
     <name>BinaryContent</name>
     <message>
-        <source>Could not seek to %1 to read the operation data.</source>
+        <source>Cannot seek to %1 to read the operation data.</source>
         <translation>Impossibile spostarsi alla posizione %1 per leggere i dati di funzionamento.</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection block.</source>
+        <source>Cannot seek to %1 to read the resource collection block.</source>
         <translation>Impossibile spostarsi alla posizione %1 per leggere il blocco con le risorse.</translation>
     </message>
     <message>
-        <source>Could not open meta resource. Error: %1</source>
+        <source>Cannot open meta resource. Error: %1</source>
         <translation>Impossibile aprire i meta pacchetti.Errore: %1</translation>
     </message>
 </context>
 <context>
     <name>BinaryLayout</name>
     <message>
-        <source>Could not seek to %1 to read the embedded meta data count.</source>
+        <source>Cannot seek to %1 to read the embedded meta data count.</source>
         <translation>Impossibile eseguire il seek a %1 per leggere il conteggio dei meta dati embedded.</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection segment.</source>
+        <source>Cannot seek to %1 to read the resource collection segment.</source>
         <translation></translation>
     </message>
     <message>
@@ -72,34 +72,34 @@
         <translation>Il percorso esiste ma non è una cartella: %1</translation>
     </message>
     <message>
-        <source>Could not create folder: %1</source>
+        <source>Cannot create folder: %1</source>
         <translation>Impossibile creare la cartella: %1</translation>
     </message>
 </context>
 <context>
     <name>ExtractCallbackImpl</name>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>Impossibile recuperare il path dell&apos;elemento dell&apos;archivio %1</translation>
     </message>
     <message>
-        <source>Could not remove already existing symlink. %1</source>
+        <source>Cannot remove already existing symlink. %1</source>
         <translation>Impossibile rimuovere il collegamento già esistente. %1</translation>
     </message>
     <message>
-        <source>Could not open file: %1 (%2)</source>
+        <source>Cannot open file: %1 (%2)</source>
         <translation>Impossibile aprire il file: %1 (%2)</translation>
     </message>
     <message>
-        <source>Could not create symlink at &apos;%1&apos;. Another one is already existing.</source>
+        <source>Cannot create symlink at &apos;%1&apos;. Another one is already existing.</source>
         <translation>Impossibile creare il collegamento a &apos;%1&apos;. Un altro collegamento è già esistente.</translation>
     </message>
     <message>
-        <source>Could not read symlink target from file &apos;%1&apos;.</source>
+        <source>Cannot read symlink target from file &apos;%1&apos;.</source>
         <translation>Impossibile leggere dal file %1 puntato dal collegamento.</translation>
     </message>
     <message>
-        <source>Could not create symlink at %1. %2</source>
+        <source>Cannot create symlink at %1. %2</source>
         <translation>Impossibile creare il collegamento a %1. %2</translation>
     </message>
 </context>
@@ -140,19 +140,19 @@
 <context>
     <name>KDLockFile</name>
     <message>
-        <source>Could not create lock file &apos;%1&apos;: %2</source>
+        <source>Cannot create lock file &apos;%1&apos;: %2</source>
         <translation>Impossibile creare il file &apos;%1&apos;: %2</translation>
     </message>
     <message>
-        <source>Could not write PID to lock file &apos;%1&apos;: %2</source>
+        <source>Cannot write PID to lock file &apos;%1&apos;: %2</source>
         <translation>Impossibile scrivere il PID nel file lockkato &apos;%1&apos;: %2</translation>
     </message>
     <message>
-        <source>Could not obtain the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot obtain the lock for file &apos;%1&apos;: %2</source>
         <translation>Impossibile ottenere il lock del file &apos;%1&apos;: %2</translation>
     </message>
     <message>
-        <source>Could not release the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot release the lock for file &apos;%1&apos;: %2</source>
         <translation>Impossibile rilasciare il lock del file &apos;%1&apos;: %2</translation>
     </message>
 </context>
@@ -171,7 +171,7 @@
         <translation>esattamente 2</translation>
     </message>
     <message>
-        <source>Could not open file &apos;%1&apos; for writing: %2</source>
+        <source>Cannot open file &apos;%1&apos; for writing: %2</source>
         <translation>Impossibile aprire il file %1 in scrittura: %2</translation>
     </message>
     <message>
@@ -179,18 +179,18 @@
         <translation>Impossibile trovare il file di backup per %1.</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1.</source>
+        <source>Cannot restore backup file for %1.</source>
         <translation>Impossibile ripristinare il file di backup per %1.</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1: %2</source>
+        <source>Cannot restore backup file for %1: %2</source>
         <translation>Impossibile ripristinare il file di backup per %1: %2</translation>
     </message>
 </context>
 <context>
     <name>KDUpdater::CopyOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>Impossibile eseguire il backup del file %1.</translation>
     </message>
     <message>
@@ -198,23 +198,23 @@
         <translation>Argomenti invalidi: argomenti forniti %1, richiesti 2.</translation>
     </message>
     <message>
-        <source>Could not copy a non-existent file: %1</source>
+        <source>Cannot copy a non-existent file: %1</source>
         <translation>Impossibile copiare un file non esistente: %1</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>Impossibile rimuovere il file di destinazione %1: %2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>Impossibile copiare %1 in %2: %3</translation>
     </message>
     <message>
-        <source>Could not delete file %1: %2</source>
+        <source>Cannot delete file %1: %2</source>
         <translation>Impossibile eliminare il file %1: %2</translation>
     </message>
     <message>
-        <source>Could not restore backup file into %1: %2</source>
+        <source>Cannot restore backup file into %1: %2</source>
         <translation>Impossibile ripristinare il file di backup in %1: %2</translation>
     </message>
 </context>
@@ -303,7 +303,7 @@
         <translation>Impossibile scaricare %1: Scrittura nel file &apos;%2&apos; fallita: %3</translation>
     </message>
     <message>
-        <source>Cannot download %1: Could not create %2: %3</source>
+        <source>Cannot download %1: Cannot create %2: %3</source>
         <translation>Impossibile scaricare %1: Impossibile creare %2: %3</translation>
     </message>
     <message>
@@ -357,7 +357,7 @@
         <translation>Argomenti invalidi: argomenti forniti %1, richiesti 1.</translation>
     </message>
     <message>
-        <source>Could not create folder %1: Unknown error.</source>
+        <source>Cannot create folder %1: Unknown error.</source>
         <translation>Impossibile creare la cartella %1: Errore sconosciuto.</translation>
     </message>
     <message>
@@ -368,7 +368,7 @@
 <context>
     <name>KDUpdater::MoveOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>Impossibile eseguire il backup del file %1.</translation>
     </message>
     <message>
@@ -376,11 +376,11 @@
         <translation>Argomenti invalidi: argomenti forniti %1, richiesti 2.</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>Impossibile rimuovere il file di destinazione %1: %2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>Impossibile copiare %1 in %2: %3</translation>
     </message>
     <message>
@@ -407,7 +407,7 @@
         <translation>Il file %1 non esiste.</translation>
     </message>
     <message>
-        <source>Could not open %1.</source>
+        <source>Cannot open %1.</source>
         <translation>Impossibile aprire %1.</translation>
     </message>
     <message>
@@ -430,11 +430,11 @@
         <translation>Argomenti invalidi: argomenti forniti %1, richiesti 2.</translation>
     </message>
     <message>
-        <source>Could not open file %1 for reading: %2</source>
+        <source>Cannot open file %1 for reading: %2</source>
         <translation>Impossibile aprire %1 in lettura: %2</translation>
     </message>
     <message>
-        <source>Could not open file %1 for writing: %2</source>
+        <source>Cannot open file %1 for writing: %2</source>
         <translation>Impossibile aprire il file %1 in scrittura: %2</translation>
     </message>
     <message>
@@ -453,7 +453,7 @@
 <context>
     <name>KDUpdater::ResourceFileDownloader</name>
     <message>
-        <source>Could not read resource file &quot;%1&quot;. Reason:</source>
+        <source>Cannot read resource file &quot;%1&quot;. Reason:</source>
         <translation>Impossibile leggere il file di risorse &quot;%1&quot;. Motivo:</translation>
     </message>
 </context>
@@ -464,11 +464,11 @@
         <translation>Argomenti invalidi: argomenti forniti %1, richiesti 1.</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: The folder does not exist.</source>
+        <source>Cannot remove folder %1: The folder does not exist.</source>
         <translation>Impossibile rimuovere la cartella %1: La cartella non esiste.</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>Impossibile rimuovere la cartella %1: %2</translation>
     </message>
     <message>
@@ -510,11 +510,11 @@
 <context>
     <name>KDUpdater::UpdateFinder</name>
     <message>
-        <source>Could not access the package information of this application.</source>
+        <source>Cannot access the package information of this application.</source>
         <translation>Impossibile accedere alle informazioni del pacchetto si questa applicazione.</translation>
     </message>
     <message>
-        <source>Could not access the update sources information of this application.</source>
+        <source>Cannot access the update sources information of this application.</source>
         <translation>Impossibile accedere alle informazioni degli aggiornamenti di questa applicazione.</translation>
     </message>
     <message>
@@ -529,7 +529,7 @@
         </translation>
     </message>
     <message>
-        <source>Could not download update source %1 from (&apos;%2&apos;)</source>
+        <source>Cannot download update source %1 from (&apos;%2&apos;)</source>
         <translation>Impossibile scaricare l&apos;aggiornamento %1 da (&apos;%2&apos;)</translation>
     </message>
     <message>
@@ -552,7 +552,7 @@
         <translation>%1 contiene dati invalidi: %2</translation>
     </message>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>Impossibile leggere &quot;%1&quot;</translation>
     </message>
     <message>
@@ -564,14 +564,14 @@
         <translation>Elemento di Root %1 inaspettato, dovrebbe essere &quot;UpdateSources&quot;</translation>
     </message>
     <message>
-        <source>Could not save changes to &quot;%1&quot;: %2</source>
+        <source>Cannot save changes to &quot;%1&quot;: %2</source>
         <translation>Impossibile salvare i cambiamenti in &quot;%1&quot;: %2</translation>
     </message>
 </context>
 <context>
     <name>KDUpdater::UpdatesInfoData</name>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>Impossibile leggere &quot;%1&quot;</translation>
     </message>
     <message>
@@ -610,11 +610,11 @@
 <context>
     <name>Lib7z</name>
     <message>
-        <source>Could not retrieve number of items in archive</source>
+        <source>Cannot retrieve number of items in archive</source>
         <translation>Impossibile recuperare il numero di oggetti in archivio</translation>
     </message>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>Impossibile recuperare il path dell&apos;oggetto in archivio %1</translation>
     </message>
     <message>
@@ -634,15 +634,15 @@
         <translation>Errore: %1</translation>
     </message>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>Impossibile caricare i codec</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>Impossibile recuperare il formato di default</translation>
     </message>
     <message>
-        <source>Could not create archive %1. %2</source>
+        <source>Cannot create archive %1. %2</source>
         <translation>Impossibile creare l&apos;archivio %1. %2</translation>
     </message>
     <message>
@@ -654,14 +654,14 @@
         <translation>L&apos;indice dell&apos;oggetto %1 è fuori dai limiti [0, %2]</translation>
     </message>
     <message>
-        <source>Could not create output file for writing: %1</source>
+        <source>Cannot create output file for writing: %1</source>
         <translation>Impossibile creare il file di output aperto in scrittura: %1</translation>
     </message>
 </context>
 <context>
     <name>Lib7z::ExtractItemJob</name>
     <message>
-        <source>Could not list archive: QIODevice not set or already destroyed.</source>
+        <source>Cannot list archive: QIODevice not set or already destroyed.</source>
         <translation>Impossibile accedere al contenuto dell&apos;archivio: QIODevice non configurato o già distrutto.</translation>
     </message>
     <message>
@@ -680,7 +680,7 @@
 <context>
     <name>Lib7z::ListArchiveJob</name>
     <message>
-        <source>Could not list archive: QIODevice already destroyed.</source>
+        <source>Cannot list archive: QIODevice already destroyed.</source>
         <translation>Impossibile accedere all&apos;archivio: QIODevice già distrutto.</translation>
     </message>
     <message>
@@ -695,15 +695,15 @@
 <context>
     <name>OpenArchiveInfo</name>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>Impossibile caricare i codec</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>Impossibile recuperare il formato di default</translation>
     </message>
     <message>
-        <source>Could not open archive</source>
+        <source>Cannot open archive</source>
         <translation>Impossibile aprire l&apos;archivio</translation>
     </message>
     <message>
@@ -781,43 +781,43 @@
         <translation></translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>Impossibile rimuovere il file %1: %2</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>Impossibile rimuovere la cartella %1: %2</translation>
     </message>
     <message>
-        <source>Could not create folder %1</source>
+        <source>Cannot create folder %1</source>
         <translation>Impossibile creare la cartella %1</translation>
     </message>
     <message>
-        <source>Could not copy file from %1 to %2: %3</source>
+        <source>Cannot copy file from %1 to %2: %3</source>
         <translation>Impossibile copiare il file da %1 a %2: %3</translation>
     </message>
     <message>
-        <source>Could not move file from %1 to %2: %3</source>
+        <source>Cannot move file from %1 to %2: %3</source>
         <translation>Impossibile muovere il file da %1 a %2: %3</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2</source>
+        <source>Cannot create folder %1: %2</source>
         <translation>Impossibile creare la cartella %1: %2</translation>
     </message>
     <message>
-        <source>Could not open temporary file: %1</source>
+        <source>Cannot open temporary file: %1</source>
         <translation>Impossibile aprire il file temporaneo: %1</translation>
     </message>
     <message>
-        <source>Could not open temporary file for template %1: %2</source>
+        <source>Cannot open temporary file for template %1: %2</source>
         <translation>Impossibile aprire il file temporaneo per template %1: %2</translation>
     </message>
     <message>
-        <source>Could not create temporary file</source>
+        <source>Cannot create temporary file</source>
         <translation>Impossibile creare il file temporaneo</translation>
     </message>
     <message>
-        <source>Could not retrieve property %1 for item %2</source>
+        <source>Cannot retrieve property %1 for item %2</source>
         <translation>Impossibile recuperare la proprietà %1 per l&apos;oggetto %2</translation>
     </message>
     <message>
@@ -825,11 +825,11 @@
         <translation>La propietà %1 per l&apos;oggetto %2 non è di tipo VT_FILETIME ma %3</translation>
     </message>
     <message>
-        <source>Could not convert file time to local time</source>
+        <source>Cannot convert file time to local time</source>
         <translation>Impossibile convertire l&apos;orario del file in ora locale</translation>
     </message>
     <message>
-        <source>Could not convert local file time to system time</source>
+        <source>Cannot convert local file time to system time</source>
         <translation>Impossible convertire l&apos;ora del file in orario di sistema</translation>
     </message>
     <message>
@@ -852,15 +852,15 @@
         <translation>Componenti non possono avere figli nella modalità di aggiornamento.</translation>
     </message>
     <message>
-        <source>Could not open the requested translation file &apos;%1&apos;.</source>
+        <source>Cannot open the requested translation file &apos;%1&apos;.</source>
         <translation>Impossibile aprire il file di traduzioni richiesto &apos;%1&apos;.</translation>
     </message>
     <message>
-        <source>Could not open the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>Impossibile aprire il file UI &apos;%1&apos;. Errore: %2</translation>
     </message>
     <message>
-        <source>Could not load the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot load the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>Impossibile caricare il file UI &apos;%1&apos;. Errore: %2</translation>
     </message>
     <message>
@@ -868,7 +868,7 @@
         <translation>Impossibile risolvere isDefault in %1</translation>
     </message>
     <message>
-        <source>Could not open the requested license file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested license file &apos;%1&apos;. Error: %2</source>
         <translation>Impossibile aprire il file di licenza richiesto &apos;%1&apos;. Errore: %2</translation>
     </message>
     <message>
@@ -1040,7 +1040,7 @@
         <translation>Argomenti invalidi in %0: Le cartelle sono invalide: %1 %2</translation>
     </message>
     <message>
-        <source>Could not create %0</source>
+        <source>Cannot create %0</source>
         <translation>Impossibile creare %0</translation>
     </message>
     <message>
@@ -1048,11 +1048,11 @@
         <translation>Impossibile sovrascrivere %1</translation>
     </message>
     <message>
-        <source>Could not copy %0 to %1, error was: %3</source>
+        <source>Cannot copy %0 to %1, error was: %3</source>
         <translation>Impossibile copiare il file da %0 a %1, errore: %3</translation>
     </message>
     <message>
-        <source>Could not remove %0</source>
+        <source>Cannot remove %0</source>
         <translation>Impossibile rimuovere %0</translation>
     </message>
 </context>
@@ -1063,11 +1063,11 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Could not open source &apos;%1&apos; for read. Error: %2.</source>
+        <source>Cannot open source &apos;%1&apos; for read. Error: %2.</source>
         <translation>Impossibile aprire il file sorgente &apos;%1&apos; in lettura. Errore: %2.</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <translation>Impossibile aprire il file di destinazione &apos;%1&apos; in scrittura. Errore: %2.</translation>
     </message>
     <message>
@@ -1078,7 +1078,7 @@
 <context>
     <name>QInstaller::CreateDesktopEntryOperation</name>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>Impossibile eseguire il backup del file %1: %2</translation>
     </message>
     <message>
@@ -1094,7 +1094,7 @@
         <translation>Impossibile sovrascrivere %1</translation>
     </message>
     <message>
-        <source>Could not write Desktop Entry at %1</source>
+        <source>Cannot write Desktop Entry at %1</source>
         <translation></translation>
     </message>
 </context>
@@ -1109,26 +1109,26 @@
         <translation>esattamente 2</translation>
     </message>
     <message>
-        <source>Could not create link from %1 to %2.</source>
+        <source>Cannot create link from %1 to %2.</source>
         <translation>Impossibile creare il link per %1 a %2.</translation>
     </message>
     <message>
-        <source>Could not remove link from %1 to %2.</source>
+        <source>Cannot remove link from %1 to %2.</source>
         <translation>Impossibile rimuovere il link per %1 a %2.</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::CreateLocalRepositoryOperation</name>
     <message>
-        <source>Could not set file permissions %1!</source>
+        <source>Cannot set file permissions %1!</source>
         <translation>Impossibile settare i permessi del file %1!</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>Impossibile rimuovere il file %1: %2</translation>
     </message>
     <message>
-        <source>Could not move file %1 to %2. Error: %3</source>
+        <source>Cannot move file %1 to %2. Error: %3</source>
         <translation>Impossibile muovere il file da %1 a %2: Errore %3</translation>
     </message>
     <message>
@@ -1144,19 +1144,19 @@
         <translation>Installer deve essere una versione offline: %1.</translation>
     </message>
     <message>
-        <source>Could not open file: %1</source>
+        <source>Cannot open file: %1</source>
         <translation>Impossibile aprire il file: %1</translation>
     </message>
     <message>
-        <source>Could not read: %1. Error: %2</source>
+        <source>Cannot read: %1. Error: %2</source>
         <translation>Impossibile leggere: %1. Errore: %2</translation>
     </message>
     <message>
-        <source>Could not open file: %1. Error: %2</source>
+        <source>Cannot open file: %1. Error: %2</source>
         <translation>Impossibile aprire il file: %1. Errore %2</translation>
     </message>
     <message>
-        <source>Could not create target dir: %1.</source>
+        <source>Cannot create target dir: %1.</source>
         <translation>Impossibile creare la cartella di destinazione: %1.</translation>
     </message>
     <message>
@@ -1168,7 +1168,7 @@
         <translation>Rimozione file: %0</translation>
     </message>
     <message>
-        <source>Could not remove %0.</source>
+        <source>Cannot remove %0.</source>
         <translation>Impossibile rimuovere %0.</translation>
     </message>
     <message>
@@ -1191,7 +1191,7 @@
         <translation> (opzionale: &apos;workingDirectory=...&apos;, &apos;iconPath=...&apos;, &apos;iconId=...&apos;)</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2.</source>
+        <source>Cannot create folder %1: %2.</source>
         <translation>Impossibile creare la cartella %1: %2.</translation>
     </message>
     <message>
@@ -1199,7 +1199,7 @@
         <translation>Impossibile sovrascrivere %1: %2</translation>
     </message>
     <message>
-        <source>Could not create link %1: %2</source>
+        <source>Cannot create link %1: %2</source>
         <translation>Impossibile creare il link %1: %2</translation>
     </message>
 </context>
@@ -1222,15 +1222,15 @@
         <translation>Verifica Hash durante il download fallita. Questo è un errore temporaneo, riprovare.</translation>
     </message>
     <message>
-        <source>Could not verify Hash</source>
+        <source>Cannot verify Hash</source>
         <translation>Impossibile verificare l&apos;hash</translation>
     </message>
     <message>
-        <source>Could not download archive: %1 : %2</source>
+        <source>Cannot download archive: %1 : %2</source>
         <translation>Impossibile scaricare l&apos;archivio %1. %2</translation>
     </message>
     <message>
-        <source>Could not fetch archives: %1
+        <source>Cannot fetch archives: %1
 Error while loading %2</source>
         <translation>Impossibile eseguire il fetch dell&apos;archivio: %1
 Errore durante lo scaricamento %2</translation>
@@ -1244,7 +1244,7 @@ Errore durante lo scaricamento %2</translation>
         <translation>Schema non supportato: %1 (%2)</translation>
     </message>
     <message>
-        <source>Could not find component for: %1.</source>
+        <source>Cannot find component for: %1.</source>
         <translation>Impossibile trovare il componente per : %1.</translation>
     </message>
 </context>
@@ -1292,7 +1292,7 @@ Errore durante lo scaricamento %2</translation>
         <translation>Il file di destinazione &apos;%1&apos; è gia esistente ma non è un file.</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <extracomment>%2 is a sentence describing the error</extracomment>
         <translation>Impossibile aprire il file di destinazione &apos;%1&apos; in scrittura. Errore: %2.</translation>
     </message>
@@ -1308,11 +1308,11 @@ Errore durante lo scaricamento %2</translation>
         <translation>almeno 1</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start detached: &quot;%1&quot;</source>
+        <source>Execution failed: Cannot start detached: &quot;%1&quot;</source>
         <translation>Esecuzione fallita:Impossibile iniziare: &quot;%1&quot;</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start: &quot;%1&quot;(%2)</source>
+        <source>Execution failed: Cannot start: &quot;%1&quot;(%2)</source>
         <translation>Esecuzione fallita:Impossibile iniziare: &quot;%1&quot;(%2)</translation>
     </message>
     <message>
@@ -1349,7 +1349,7 @@ Errore durante lo scaricamento %2</translation>
 <context>
     <name>QInstaller::ExtractArchiveOperation::Runnable</name>
     <message>
-        <source>Could not open %1 for reading: %2.</source>
+        <source>Cannot open %1 for reading: %2.</source>
         <translation>Impossibile aprire %1 in lettura: %2.</translation>
     </message>
     <message>
@@ -1368,7 +1368,7 @@ Errore durante lo scaricamento %2</translation>
         <translation>Il numero di argomenti non corrisponde: solo uno è richiesto</translation>
     </message>
     <message>
-        <source>Could not get package manager core.</source>
+        <source>Cannot get package manager core.</source>
         <translation>Impossibile prendere il cuore del gestore pacchetti.</translation>
     </message>
     <message>
@@ -1496,7 +1496,7 @@ Errore durante lo scaricamento %2</translation>
         <translation>Argomenti invalidi: la cartella sorgente non deve essere vuota.</translation>
     </message>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>Impossibile eseguire il backup del file %1: %2</translation>
     </message>
     <message>
@@ -1508,7 +1508,7 @@ Errore durante lo scaricamento %2</translation>
         <translation>Impossibile copiare %1: %2</translation>
     </message>
     <message>
-        <source>Could not create folder at %1: %2</source>
+        <source>Cannot create folder at %1: %2</source>
         <translation>Impossibile creare la cartella %1: %2</translation>
     </message>
 </context>
@@ -1685,7 +1685,7 @@ Errore durante lo scaricamento %2</translation>
         <translation>Eccezzione sconosciuta durante l&apos;estrazione %1.</translation>
     </message>
     <message>
-        <source>Could not open %1 for reading. Error: %2</source>
+        <source>Cannot open %1 for reading. Error: %2</source>
         <translation>Impossibile aprire %1 in lettura. Errore: %2</translation>
     </message>
 </context>
@@ -1773,7 +1773,7 @@ Scaricamento pacchetti...</translation>
         <translation>Errore di formato</translation>
     </message>
     <message>
-        <source>Could not write installer configuration to %1: %2</source>
+        <source>Cannot write installer configuration to %1: %2</source>
         <translation>Impossibile scrivere la configurazione dell&apos;installer in %1: %2</translation>
     </message>
     <message>
@@ -1856,19 +1856,19 @@ Update aborted!</source>
         <translation></translation>
     </message>
     <message>
-        <source>Could not write maintenance tool data to %1: %2</source>
+        <source>Cannot write maintenance tool data to %1: %2</source>
         <translation>Impossibile scrivere i dati del tool di mantenimento in %1: %2</translation>
     </message>
     <message>
-        <source>Could not remove data file &apos;%1&apos;: %2</source>
+        <source>Cannot remove data file &apos;%1&apos;: %2</source>
         <translation>Impossibile rimuovere i dati del file &apos;%1&apos;: %2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool to %1: %2</source>
+        <source>Cannot write maintenance tool to %1: %2</source>
         <translation>Impossibile scrivere il tool di mantenimento in %1: %2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool binary data to %1: %2</source>
+        <source>Cannot write maintenance tool binary data to %1: %2</source>
         <translation>Impossibile scrivere i dati del tool di mantenimento in %1: %2</translation>
     </message>
     <message>
@@ -1918,7 +1918,7 @@ Installazione componenti %1</translation>
         <translation>Errore sconosciuto</translation>
     </message>
     <message>
-        <source>Could not retrieve remote tree: %1.</source>
+        <source>Cannot retrieve remote tree: %1.</source>
         <translation></translation>
     </message>
     <message>
@@ -1926,15 +1926,15 @@ Installazione componenti %1</translation>
         <translation>Fallita la lettura del pacchetto da: %1.</translation>
     </message>
     <message>
-        <source>Could not retrieve meta information: %1</source>
+        <source>Cannot retrieve meta information: %1</source>
         <translation>Impossibile recuperare i meta dati: %1</translation>
     </message>
     <message>
-        <source>Could not add temporary update source information.</source>
+        <source>Cannot add temporary update source information.</source>
         <translation></translation>
     </message>
     <message>
-        <source>Could not find any update source information.</source>
+        <source>Cannot find any update source information.</source>
         <translation>Impossibile trovare le informazioni per l&apos;aggiornamento.</translation>
     </message>
     <message>
@@ -2149,14 +2149,14 @@ Copiare l&apos;installer in locale</translation>
 <context>
     <name>QInstaller::RemoteObject</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>Impossibile leggere tutti i dati dopo l&apos;invio del comando: %1. Bytes aspettati: %2, Bytes ricevuti: %3. Errori: %4</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::RemoteServerConnection</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation type="vanished">Impossibile leggere tutti i dati dopo l&apos;invio del comando: %1. Bytes aspettati: %2, Bytes ricevuti: %3. Errori: %4</translation>
     </message>
 </context>
@@ -2182,7 +2182,7 @@ Copiare l&apos;installer in locale</translation>
 <context>
     <name>QInstaller::Resource</name>
     <message>
-        <source>Could not open Resource &apos;%1&apos; read-only.</source>
+        <source>Cannot open Resource &apos;%1&apos; read-only.</source>
         <translation>Impossibile aprire la Risorsa &apos;%1&apos; in sola lettura.</translation>
     </message>
     <message>
@@ -2204,7 +2204,7 @@ Copiare l&apos;installer in locale</translation>
 <context>
     <name>QInstaller::ScriptEngine</name>
     <message>
-        <source>Could not open the requested script file at %1: %2.</source>
+        <source>Cannot open the requested script file at %1: %2.</source>
         <translation>Impossibile aprire lo script %1: %2.</translation>
     </message>
     <message>
@@ -2400,7 +2400,7 @@ Vuoi continuare?</translation>
         <translation>E&apos; scaduto un timeout durante il test: &apos;%1&apos;</translation>
     </message>
     <message>
-        <source>Could not parse Updates.xml! Error: %1.</source>
+        <source>Cannot parse Updates.xml! Error: %1.</source>
         <translation>Impossibile analizzare Updates.xml! Errore: %1.</translation>
     </message>
     <message>
@@ -2430,11 +2430,11 @@ Vuoi continuare?</translation>
 <context>
     <name>RemoteClient</name>
     <message>
-        <source>Could not get authorization.</source>
+        <source>Cannot get authorization.</source>
         <translation>Impossibile ottenere l&apos;autorizzazione.</translation>
     </message>
     <message>
-        <source>Could not get authorization that is needed for continuing the installation.
+        <source>Cannot get authorization that is needed for continuing the installation.
  Either abort the installation or use the fallback solution by running
 
 %1
@@ -2451,14 +2451,14 @@ come root e premere ok.</translation>
 <context>
     <name>ResourceCollectionManager</name>
     <message>
-        <source>Could not open resource %1: %2</source>
+        <source>Cannot open resource %1: %2</source>
         <translation>Impossibile aprire la risorsa %1: %2</translation>
     </message>
 </context>
 <context>
     <name>Settings</name>
     <message>
-        <source>Could not open settings file %1 for reading: %2</source>
+        <source>Cannot open settings file %1 for reading: %2</source>
         <translation>Impossibile aprire il file di configurazione %1 in lettura: %2</translation>
     </message>
 </context>
@@ -2588,7 +2588,7 @@ come root e premere ok.</translation>
         <translation>La chiave di registro %1 non può essere scritta</translation>
     </message>
     <message>
-        <source>Could not write to registry path %1</source>
+        <source>Cannot write to registry path %1</source>
         <translation>Impossibile scrivere la chiave di registro %1</translation>
     </message>
     <message>
diff --git a/src/sdk/translations/ja.ts b/src/sdk/translations/ja.ts
index 3f14998b6..f4d7e102b 100644
--- a/src/sdk/translations/ja.ts
+++ b/src/sdk/translations/ja.ts
@@ -46,7 +46,7 @@
         <translation>2個</translation>
     </message>
     <message>
-        <source>Could not open file &apos;%1&apos; for writing: %2</source>
+        <source>Cannot open file &apos;%1&apos; for writing: %2</source>
         <translation>書き込み用にファイル &apos;%1&apos; を開けませんでした: %2</translation>
     </message>
     <message>
@@ -54,18 +54,18 @@
         <translation>%1 用のバックアップファイルが見つかりません。</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1.</source>
+        <source>Cannot restore backup file for %1.</source>
         <translation>%1 用のバックアップファイルを復元できませんでした。</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1: %2</source>
+        <source>Cannot restore backup file for %1: %2</source>
         <translation>%1 用のバックアップファイルを復元できませんでした: %2</translation>
     </message>
 </context>
 <context>
     <name>KDUpdater::CopyOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>ファイル %1 をバックアップできませんでした。</translation>
     </message>
     <message>
@@ -73,23 +73,23 @@
         <translation>無効な引数: %1個の引数が渡されましたが、必要なのは2個です。</translation>
     </message>
     <message>
-        <source>Could not copy a non-existent file: %1</source>
+        <source>Cannot copy a non-existent file: %1</source>
         <translation>存在しないファイルはコピーできません: %1</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>対象ファイル %1 を削除できませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>%1 を %2 にコピーできませんでした: %3</translation>
     </message>
     <message>
-        <source>Could not delete file %1: %2</source>
+        <source>Cannot delete file %1: %2</source>
         <translation>ファイル %1 を削除できませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not restore backup file into %1: %2</source>
+        <source>Cannot restore backup file into %1: %2</source>
         <translation>バックアップファイルを %1 へ復元できませんでした: %2</translation>
     </message>
 </context>
@@ -174,7 +174,7 @@
         <translation>%1 をダウンロードできません: ファイル &apos;%2&apos; への書き込みに失敗しました: %3</translation>
     </message>
     <message>
-        <source>Cannot download %1: Could not create %2: %3</source>
+        <source>Cannot download %1: Cannot create %2: %3</source>
         <translation>%1 をダウンロードできません: %2 を作成できませんでした: %3</translation>
     </message>
     <message>
@@ -228,7 +228,7 @@
         <translation>無効な引数: %1個の引数が渡されましたが、必要なのは1個です。</translation>
     </message>
     <message>
-        <source>Could not create folder %1: Unknown error.</source>
+        <source>Cannot create folder %1: Unknown error.</source>
         <translation>フォルダ %1 を作成できませんでした: 未知のエラーです。</translation>
     </message>
     <message>
@@ -239,7 +239,7 @@
 <context>
     <name>KDUpdater::MoveOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>ファイル %1 をバックアップできませんでした。</translation>
     </message>
     <message>
@@ -247,11 +247,11 @@
         <translation>無効な引数: %1個の引数が渡されましたが、必要なのは2個です。</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>対象ファイル %1 を削除できませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>%1 を %2 にコピーできませんでした: %3</translation>
     </message>
     <message>
@@ -278,7 +278,7 @@
         <translation>ファイル %1 が存在しません。</translation>
     </message>
     <message>
-        <source>Could not open %1.</source>
+        <source>Cannot open %1.</source>
         <translation>%1 を開けませんでした。</translation>
     </message>
     <message>
@@ -301,11 +301,11 @@
         <translation>無効な引数: %1個の引数が渡されましたが、必要なのは2個です。</translation>
     </message>
     <message>
-        <source>Could not open file %1 for reading: %2</source>
+        <source>Cannot open file %1 for reading: %2</source>
         <translation>読み込み用にファイル %1 を開けませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not open file %1 for writing: %2</source>
+        <source>Cannot open file %1 for writing: %2</source>
         <translation>書き込み用にファイル %1 を開けませんでした: %2</translation>
     </message>
     <message>
@@ -324,7 +324,7 @@
 <context>
     <name>KDUpdater::ResourceFileDownloader</name>
     <message>
-        <source>Could not read resource file &quot;%1&quot;. Reason:</source>
+        <source>Cannot read resource file &quot;%1&quot;. Reason:</source>
         <translation>リソースファイル &quot;%1&quot; を読み込みできませんでした。理由:</translation>
     </message>
 </context>
@@ -335,11 +335,11 @@
         <translation>無効な引数: %1個の引数が渡されましたが、必要なのは1個です。</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: The folder does not exist.</source>
+        <source>Cannot remove folder %1: The folder does not exist.</source>
         <translation>フォルダ %1 を削除できませんでした: フォルダが存在しません。</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>フォルダ %1 を削除できませんでした: %2</translation>
     </message>
     <message>
@@ -381,11 +381,11 @@
 <context>
     <name>KDUpdater::UpdateFinder</name>
     <message>
-        <source>Could not access the package information of this application.</source>
+        <source>Cannot access the package information of this application.</source>
         <translation>このアプリケーションのパッケージ情報にアクセスできませんでした。</translation>
     </message>
     <message>
-        <source>Could not access the update sources information of this application.</source>
+        <source>Cannot access the update sources information of this application.</source>
         <translation>このアプリケーションの更新元情報にアクセスできませんでした。</translation>
     </message>
     <message>
@@ -411,7 +411,7 @@
         </translation>
     </message>
     <message>
-        <source>Could not download update source %1 from (&apos;%2&apos;)</source>
+        <source>Cannot download update source %1 from (&apos;%2&apos;)</source>
         <translation>(&apos;%2&apos;) から更新元 %1 をダウンロードできませんでした</translation>
     </message>
 </context>
@@ -422,7 +422,7 @@
         <translation>%1 に無効なコンテンツが含まれています: %2</translation>
     </message>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>&quot;%1&quot; を読み込めませんでした</translation>
     </message>
     <message>
@@ -434,14 +434,14 @@
         <translation>ルートエレメントに %1 は使用できません。&quot;UpdateSources&quot;を使用してください</translation>
     </message>
     <message>
-        <source>Could not save changes to &quot;%1&quot;: %2</source>
+        <source>Cannot save changes to &quot;%1&quot;: %2</source>
         <translation>&quot;%1&quot; への変更を保存できませんでした: %2</translation>
     </message>
 </context>
 <context>
     <name>KDUpdater::UpdatesInfoData</name>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>&quot;%1&quot; を読み込めませんでした</translation>
     </message>
     <message>
@@ -480,7 +480,7 @@
 <context>
     <name>Lib7z::ExtractItemJob</name>
     <message>
-        <source>Could not list archive: QIODevice not set or already destroyed.</source>
+        <source>Cannot list archive: QIODevice not set or already destroyed.</source>
         <translation>アーカイブからリストを取得できませんでした: QIODevice が設定されていないか、既に破棄されています。</translation>
     </message>
     <message>
@@ -499,7 +499,7 @@
 <context>
     <name>Lib7z::ListArchiveJob</name>
     <message>
-        <source>Could not list archive: QIODevice already destroyed.</source>
+        <source>Cannot list archive: QIODevice already destroyed.</source>
         <translation>アーカイブからリストを取得できませんでした: QIODevice が既に破棄されています。</translation>
     </message>
     <message>
@@ -574,43 +574,43 @@
         <translation>%1 バイトの書き込み後にエラーが発生しました: %2</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>ファイル %1 を削除できませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>フォルダ %1 を削除できませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not create folder %1</source>
+        <source>Cannot create folder %1</source>
         <translation>フォルダ %1 を作成できませんでした</translation>
     </message>
     <message>
-        <source>Could not copy file from %1 to %2: %3</source>
+        <source>Cannot copy file from %1 to %2: %3</source>
         <translation>ファイル %1 を %2 にコピーできませんでした: %3</translation>
     </message>
     <message>
-        <source>Could not move file from %1 to %2: %3</source>
+        <source>Cannot move file from %1 to %2: %3</source>
         <translation>ファイル %1 を %2 へ移動できませんでした: %3</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2</source>
+        <source>Cannot create folder %1: %2</source>
         <translation>フォルダ %1 を作成できませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not open temporary file: %1</source>
+        <source>Cannot open temporary file: %1</source>
         <translation>一時ファイルを開けませんでした: %1</translation>
     </message>
     <message>
-        <source>Could not open temporary file for template %1: %2</source>
+        <source>Cannot open temporary file for template %1: %2</source>
         <translation>テンプレート %1 用の一時ファイルを開けませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not create temporary file</source>
+        <source>Cannot create temporary file</source>
         <translation>一時ファイルを作成できませんでした</translation>
     </message>
     <message>
-        <source>Could not retrieve property %1 for item %2</source>
+        <source>Cannot retrieve property %1 for item %2</source>
         <translation>アイテム %2 からプロパティ %1 を取得できませんでした</translation>
     </message>
     <message>
@@ -618,11 +618,11 @@
         <translation>アイテム %2 のプロパティ %1 の型が VT_FILETIME ではなく %3 になっています</translation>
     </message>
     <message>
-        <source>Could not convert file time to local time</source>
+        <source>Cannot convert file time to local time</source>
         <translation>ファイルの時刻をローカルタイムに変換できませんでした</translation>
     </message>
     <message>
-        <source>Could not convert local file time to system time</source>
+        <source>Cannot convert local file time to system time</source>
         <translation>ローカルファイルの時刻をシステムの時刻へ変換できませんでした</translation>
     </message>
     <message>
@@ -641,19 +641,19 @@
 <context>
     <name>QInstaller::Component</name>
     <message>
-        <source>Could not open the requested translation file &apos;%1&apos;.</source>
+        <source>Cannot open the requested translation file &apos;%1&apos;.</source>
         <translation>要求された翻訳ファイル &apos;%1&apos; を開けませんでした。</translation>
     </message>
     <message>
-        <source>Could not open the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>要求された UI ファイル &apos;%1&apos; を開けませんでした。エラー: %2</translation>
     </message>
     <message>
-        <source>Could not load the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot load the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>要求された UI ファイル &apos;%1&apos; をロードできませんでした。エラー: %2</translation>
     </message>
     <message>
-        <source>Could not open the requested license file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested license file &apos;%1&apos;. Error: %2</source>
         <translation>要求されたライセンスファイル &apos;%1&apos; を開けませんでした。エラー: %2</translation>
     </message>
     <message>
@@ -833,7 +833,7 @@
         <translation>%0 に無効な引数: ディレクトリが無効です: %1 %2</translation>
     </message>
     <message>
-        <source>Could not create %0</source>
+        <source>Cannot create %0</source>
         <translation>%0 を作成できませんでした</translation>
     </message>
     <message>
@@ -841,11 +841,11 @@
         <translation>%1 を上書きできません</translation>
     </message>
     <message>
-        <source>Could not copy %0 to %1, error was: %3</source>
+        <source>Cannot copy %0 to %1, error was: %3</source>
         <translation>%0 を %1 にコピーできませんでした。エラー: %3</translation>
     </message>
     <message>
-        <source>Could not remove %0</source>
+        <source>Cannot remove %0</source>
         <translation>%0 を削除できませんでした</translation>
     </message>
 </context>
@@ -864,11 +864,11 @@
         <translation>%1 に上書きできません</translation>
     </message>
     <message>
-        <source>Could not write Desktop Entry at %1</source>
+        <source>Cannot write Desktop Entry at %1</source>
         <translation>%1 へデスクトップエントリーを書き込むことができませんでした</translation>
     </message>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>ファイル %1 をバックアップできませんでした: %2</translation>
     </message>
 </context>
@@ -883,22 +883,22 @@
         <translation>2個</translation>
     </message>
     <message>
-        <source>Could not create link from %1 to %2.</source>
+        <source>Cannot create link from %1 to %2.</source>
         <translation>%1 から %2 へのリンクを作成できませんでした。</translation>
     </message>
     <message>
-        <source>Could not remove link from %1 to %2.</source>
+        <source>Cannot remove link from %1 to %2.</source>
         <translation>%1 から %2 へのリンクを削除できませんでした。</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::CreateLocalRepositoryOperation</name>
     <message>
-        <source>Could not set file permissions %1!</source>
+        <source>Cannot set file permissions %1!</source>
         <translation>ファイル %1 にアクセス権限を設定できませんでした!</translation>
     </message>
     <message>
-        <source>Could not move file %1 to %2. Error: %3</source>
+        <source>Cannot move file %1 to %2. Error: %3</source>
         <translation>ファイル %1 を %2 へ移動できませんでした。エラー: %3</translation>
     </message>
     <message>
@@ -914,19 +914,19 @@
         <translation>インストーラはオフラインバージョンである必要があります: %1</translation>
     </message>
     <message>
-        <source>Could not open file: %1</source>
+        <source>Cannot open file: %1</source>
         <translation>ファイルを開けませんでした: %1</translation>
     </message>
     <message>
-        <source>Could not read: %1. Error: %2</source>
+        <source>Cannot read: %1. Error: %2</source>
         <translation>%1 を読み込みできませんでした。エラー: %2</translation>
     </message>
     <message>
-        <source>Could not open file: %1. Error: %2</source>
+        <source>Cannot open file: %1. Error: %2</source>
         <translation>ファイル %1 を開けませんでした。エラー: %2</translation>
     </message>
     <message>
-        <source>Could not create target dir: %1.</source>
+        <source>Cannot create target dir: %1.</source>
         <translation>ターゲットディレクトリを作成できませんでした: %1</translation>
     </message>
     <message>
@@ -938,7 +938,7 @@
         <translation>ファイルを削除しています: %0</translation>
     </message>
     <message>
-        <source>Could not remove %0.</source>
+        <source>Cannot remove %0.</source>
         <translation>%0 を削除できませんでした。</translation>
     </message>
     <message>
@@ -946,7 +946,7 @@
         <translation>ディレクトリ %1 を削除できません: %2</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>ファイル %1 を削除できませんでした: %2</translation>
     </message>
 </context>
@@ -965,11 +965,11 @@
         <translation> (オプション: &apos;workingDirectory=...&apos;, &apos;iconPath=...&apos;, &apos;iconId=...&apos;) </translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2.</source>
+        <source>Cannot create folder %1: %2.</source>
         <translation>フォルダ %1 を作成できませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not create link %1: %2</source>
+        <source>Cannot create link %1: %2</source>
         <translation>リンク %1 を作成できませんでした: %2</translation>
     </message>
     <message>
@@ -996,15 +996,15 @@
         <translation>ダウンロード中のハッシュ値の照合に失敗しました。これは一時的なエラーですので、再試行してください。</translation>
     </message>
     <message>
-        <source>Could not verify Hash</source>
+        <source>Cannot verify Hash</source>
         <translation>ハッシュ値の照合ができませんでした</translation>
     </message>
     <message>
-        <source>Could not download archive: %1 : %2</source>
+        <source>Cannot download archive: %1 : %2</source>
         <translation>アーカイブ %1 をダウンロードできませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not fetch archives: %1
+        <source>Cannot fetch archives: %1
 Error while loading %2</source>
         <translation>アーカイブを取得できませんでした: %1
 %2 の読み込み中にエラーが発生しました</translation>
@@ -1014,7 +1014,7 @@ Error while loading %2</source>
         <translation>このスキームはサポートしてません: %1 (%2)</translation>
     </message>
     <message>
-        <source>Could not find component for: %1.</source>
+        <source>Cannot find component for: %1.</source>
         <translation>コンポーネント %1 を見つけることができませんでした。</translation>
     </message>
     <message>
@@ -1033,11 +1033,11 @@ Error while loading %2</source>
         <translation>少なくとも1個</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start detached: &quot;%1&quot;</source>
+        <source>Execution failed: Cannot start detached: &quot;%1&quot;</source>
         <translation>実行に失敗しました: &quot;%1&quot; をデタッチして起動できませんでした</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start: &quot;%1&quot;(%2)</source>
+        <source>Execution failed: Cannot start: &quot;%1&quot;(%2)</source>
         <translation>実行に失敗しました: &quot;%1&quot; を起動できませんでした (%2)</translation>
     </message>
     <message>
@@ -1074,7 +1074,7 @@ Error while loading %2</source>
 <context>
     <name>QInstaller::ExtractArchiveOperation::Runnable</name>
     <message>
-        <source>Could not open %1 for reading: %2.</source>
+        <source>Cannot open %1 for reading: %2.</source>
         <translation>読み込み用に %1 を開けませんでした: %2</translation>
     </message>
     <message>
@@ -1151,7 +1151,7 @@ Error while loading %2</source>
         <translation>無効な引数: 空のフォルダをソースに指定できません。</translation>
     </message>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>ファイル %1 をバックアップできませんでした: %2</translation>
     </message>
     <message>
@@ -1163,7 +1163,7 @@ Error while loading %2</source>
         <translation>ファイル %1 へのコピーに失敗しました: %2</translation>
     </message>
     <message>
-        <source>Could not create folder at %1: %2</source>
+        <source>Cannot create folder at %1: %2</source>
         <translation>%1 にフォルダを作成できませんでした: %2</translation>
     </message>
 </context>
@@ -1373,7 +1373,7 @@ Downloading packages...</source>
         <translation>フォーマットエラー</translation>
     </message>
     <message>
-        <source>Could not write installer configuration to %1: %2</source>
+        <source>Cannot write installer configuration to %1: %2</source>
         <translation>インストーラの設定を %1 に書き込めませんでした: %2</translation>
     </message>
     <message>
@@ -1473,7 +1473,7 @@ Installing component %1</source>
         <translation>未知のエラー</translation>
     </message>
     <message>
-        <source>Could not retrieve remote tree: %1.</source>
+        <source>Cannot retrieve remote tree: %1.</source>
         <translation>リモートのツリーを取得できませんでした: %1</translation>
     </message>
     <message>
@@ -1481,15 +1481,15 @@ Installing component %1</source>
         <translation>右記からのパッケージの読み込みに失敗しました: %1</translation>
     </message>
     <message>
-        <source>Could not retrieve meta information: %1</source>
+        <source>Cannot retrieve meta information: %1</source>
         <translation>メタ情報を取得できませんでした: %1</translation>
     </message>
     <message>
-        <source>Could not add temporary update source information.</source>
+        <source>Cannot add temporary update source information.</source>
         <translation>一時的な更新元情報を追加できませんでした。</translation>
     </message>
     <message>
-        <source>Could not find any update source information.</source>
+        <source>Cannot find any update source information.</source>
         <translation>更新元情報が見つかりませんでした。</translation>
     </message>
     <message>
@@ -1509,19 +1509,19 @@ Installing component %1</source>
         <translation>メンテナンスツールはバンドルされていません</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool data to %1: %2</source>
+        <source>Cannot write maintenance tool data to %1: %2</source>
         <translation>メンテナンスツールのデータを %1 に書き込めませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not remove data file &apos;%1&apos;: %2</source>
+        <source>Cannot remove data file &apos;%1&apos;: %2</source>
         <translation>データファイル &apos;%1&apos; を削除できませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool to %1: %2</source>
+        <source>Cannot write maintenance tool to %1: %2</source>
         <translation>メンテナンスツールを %1 に書き込めませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool binary data to %1: %2</source>
+        <source>Cannot write maintenance tool binary data to %1: %2</source>
         <translation>メンテナンスツールのバイナリデータを %1 に書き込めませんでした: %2</translation>
     </message>
     <message>
@@ -1747,7 +1747,7 @@ Please copy the installer to a local drive</source>
 <context>
     <name>QInstaller::ScriptEngine</name>
     <message>
-        <source>Could not open the requested script file at %1: %2.</source>
+        <source>Cannot open the requested script file at %1: %2.</source>
         <translation>要求されたスクリプトファイル %1 を開けませんでした: %2</translation>
     </message>
     <message>
@@ -1920,7 +1920,7 @@ Do you want to continue?</source>
         <translation>テスト中にタイムアウトが発生しました: &apos;%1&apos;</translation>
     </message>
     <message>
-        <source>Could not parse Updates.xml! Error: %1.</source>
+        <source>Cannot parse Updates.xml! Error: %1.</source>
         <translation>Updates.xml を解析できませんでした! エラー: %1</translation>
     </message>
     <message>
@@ -1950,7 +1950,7 @@ Do you want to continue?</source>
 <context>
     <name>Settings</name>
     <message>
-        <source>Could not open settings file %1 for reading: %2</source>
+        <source>Cannot open settings file %1 for reading: %2</source>
         <translation>読み込み用に設定ファイル %1 を開けませんでした: %2</translation>
     </message>
 </context>
@@ -2126,11 +2126,11 @@ Do you want to continue?</source>
 <context>
     <name>BinaryLayout</name>
     <message>
-        <source>Could not seek to %1 to read the embedded meta data count.</source>
+        <source>Cannot seek to %1 to read the embedded meta data count.</source>
         <translation>埋め込まれたメタデータ数を読み込むために %1 にシーク出来ませんでした。</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection segment.</source>
+        <source>Cannot seek to %1 to read the resource collection segment.</source>
         <translation>リソースコレクションセグメントを読み込むために %1 にシーク出来ませんでした。</translation>
     </message>
     <message>
@@ -2141,22 +2141,22 @@ Do you want to continue?</source>
 <context>
     <name>BinaryContent</name>
     <message>
-        <source>Could not seek to %1 to read the operation data.</source>
+        <source>Cannot seek to %1 to read the operation data.</source>
         <translation>操作データを読み込むために %1 にシーク出来ませんでした。</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection block.</source>
+        <source>Cannot seek to %1 to read the resource collection block.</source>
         <translation>リソースコレクションブロックを読み込むために %1 にシーク出来ませんでした。</translation>
     </message>
     <message>
-        <source>Could not open meta resource. Error: %1</source>
+        <source>Cannot open meta resource. Error: %1</source>
         <translation>メタリソースを開けませんでした。エラー: %1</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::Resource</name>
     <message>
-        <source>Could not open Resource &apos;%1&apos; read-only.</source>
+        <source>Cannot open Resource &apos;%1&apos; read-only.</source>
         <translation>読み込み専用でリソース %1 を開けませんでした。</translation>
     </message>
     <message>
@@ -2171,7 +2171,7 @@ Do you want to continue?</source>
 <context>
     <name>ResourceCollectionManager</name>
     <message>
-        <source>Could not open resource %1: %2</source>
+        <source>Cannot open resource %1: %2</source>
         <translation>リソース %1 を開けませんでした: %2</translation>
     </message>
 </context>
@@ -2182,11 +2182,11 @@ Do you want to continue?</source>
         <translation>タスクアイテム数が無効です。</translation>
     </message>
     <message>
-        <source>Could not open source &apos;%1&apos; for read. Error: %2.</source>
+        <source>Cannot open source &apos;%1&apos; for read. Error: %2.</source>
         <translation>読み込み用にソース &apos;%1&apos; を開けませんでした。エラー: %2。</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <translation>書き込み用に対象 &apos;%1&apos; を開けませんでした。エラー: %2</translation>
     </message>
     <message>
@@ -2238,7 +2238,7 @@ Do you want to continue?</source>
         <translation>対象ファイル &apos;%1&apos; は既に存在しますが、ファイルではありません。</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <extracomment>%2 is a sentence describing the error</extracomment>
         <translation>対象 &apos;%1&apos; は書き込み用に開けませんでした。エラー: %2。</translation>
     </message>
@@ -2261,7 +2261,7 @@ Do you want to continue?</source>
         <translation>レジストリのパス %1 に書き込みできません</translation>
     </message>
     <message>
-        <source>Could not write to registry path %1</source>
+        <source>Cannot write to registry path %1</source>
         <translation>レジストリのパス %1 へ書き込めませんでした</translation>
     </message>
     <message>
@@ -2276,7 +2276,7 @@ Do you want to continue?</source>
         <translation>引数の数が一致しません: 一つのみ指定してください</translation>
     </message>
     <message>
-        <source>Could not get package manager core.</source>
+        <source>Cannot get package manager core.</source>
         <translation>パッケージマネージャのコアを取得できません。</translation>
     </message>
     <message>
@@ -2322,7 +2322,7 @@ Do you want to continue?</source>
         <translation>パスが存在していますが、フォルダではありません: %1</translation>
     </message>
     <message>
-        <source>Could not create folder: %1</source>
+        <source>Cannot create folder: %1</source>
         <translation>フォルダを作成できませんでした: %1</translation>
     </message>
 </context>
@@ -2336,15 +2336,15 @@ Do you want to continue?</source>
 <context>
     <name>OpenArchiveInfo</name>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>コーデックをロードできませんでした</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>デフォルトフォーマットを取得できませんでした</translation>
     </message>
     <message>
-        <source>Could not open archive</source>
+        <source>Cannot open archive</source>
         <translation>アーカイブを開けませんでした</translation>
     </message>
     <message>
@@ -2355,11 +2355,11 @@ Do you want to continue?</source>
 <context>
     <name>Lib7z</name>
     <message>
-        <source>Could not retrieve number of items in archive</source>
+        <source>Cannot retrieve number of items in archive</source>
         <translation>アーカイブ内のアイテム数が取得できませんでした</translation>
     </message>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>アーカイブアイテム %1 のパスが取得できませんでした</translation>
     </message>
     <message>
@@ -2379,15 +2379,15 @@ Do you want to continue?</source>
         <translation>エラー: %1</translation>
     </message>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>コーデックをロードできませんでした</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>デフォルトフォーマットを取得できませんでした</translation>
     </message>
     <message>
-        <source>Could not create archive %1. %2</source>
+        <source>Cannot create archive %1. %2</source>
         <translation>アーカイブ %1 が作成できませんでした: %2</translation>
     </message>
     <message>
@@ -2399,34 +2399,34 @@ Do you want to continue?</source>
         <translation>アイテムのインデックス %1 が範囲外です [0, %2]</translation>
     </message>
     <message>
-        <source>Could not create output file for writing: %1</source>
+        <source>Cannot create output file for writing: %1</source>
         <translation>書き込み用に出力ファイルを作成できませんでした: %1</translation>
     </message>
 </context>
 <context>
     <name>ExtractCallbackImpl</name>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>アーカイブアイテム %1 のパスが取得できませんでした</translation>
     </message>
     <message>
-        <source>Could not remove already existing symlink. %1</source>
+        <source>Cannot remove already existing symlink. %1</source>
         <translation>すでに存在するシンボリックリンクは削除できません: %1</translation>
     </message>
     <message>
-        <source>Could not open file: %1 (%2)</source>
+        <source>Cannot open file: %1 (%2)</source>
         <translation>ファイルが開けません: %1 (%2)</translation>
     </message>
     <message>
-        <source>Could not create symlink at &apos;%1&apos;. Another one is already existing.</source>
+        <source>Cannot create symlink at &apos;%1&apos;. Another one is already existing.</source>
         <translation>&apos;%1&apos; にシンボリックリンクを作成できませんでした。他のリンクがすでに存在します。</translation>
     </message>
     <message>
-        <source>Could not read symlink target from file &apos;%1&apos;.</source>
+        <source>Cannot read symlink target from file &apos;%1&apos;.</source>
         <translation>シンボリックリンクの参照先のファイル &apos;%1&apos; を読み込み用に開けませんでした。</translation>
     </message>
     <message>
-        <source>Could not create symlink at %1. %2</source>
+        <source>Cannot create symlink at %1. %2</source>
         <translation>%1 にシンボリックリンクを作成できませんでした。 %2</translation>
     </message>
 </context>
@@ -2481,7 +2481,7 @@ Do you want to continue?</source>
         <translation>%1 の展開中に未知の例外が発生しました。</translation>
     </message>
     <message>
-        <source>Could not open %1 for reading. Error: %2</source>
+        <source>Cannot open %1 for reading. Error: %2</source>
         <translation>読み込み用に %1 を開けませんでした。エラー: %2</translation>
     </message>
 </context>
@@ -2551,7 +2551,7 @@ Do you want to continue?</source>
         <translation>最初の引数は &apos;linux&apos;, &apos;mac&apos;, &apos;windows&apos; のいずれかを指定してください。それ以外はサポートしていません。</translation>
     </message>
     <message>
-        <source>Could not find the needed QmakeOutputInstallerKey(%1) value on the installer object. The ConsumeOutput operation on the valid qmake needs to be called first.</source>
+        <source>Cannot find the needed QmakeOutputInstallerKey(%1) value on the installer object. The ConsumeOutput operation on the valid qmake needs to be called first.</source>
         <translation>インストーラに必要な QmakeOutputInstallerKey(%1) の値を見つけることができませんでした。適切な qmake で ConsumeOutput 操作を最初に実行する必要があります。</translation>
     </message>
     <message>
@@ -2595,11 +2595,11 @@ Qt のバイナリにパッチを適用しようとしましたが、Qt の他�
 <context>
     <name>RemoteClient</name>
     <message>
-        <source>Could not get authorization.</source>
+        <source>Cannot get authorization.</source>
         <translation>認証できませんでした。</translation>
     </message>
     <message>
-        <source>Could not get authorization that is needed for continuing the installation.
+        <source>Cannot get authorization that is needed for continuing the installation.
  Either abort the installation or use the fallback solution by running
 
 %1
@@ -2614,33 +2614,33 @@ as root and then clicking OK.</source>
 <context>
     <name>QInstaller::RemoteObject</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>コマンドを送信した後、すべてのデータを読み込めませんでした: %1。想定バイト数: %2 、受信バイト数: %3。エラー: %4</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::RemoteServerConnection</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>コマンドを送信した後、すべてのデータを読み込めませんでした: %1。想定バイト数: %2 、受信バイト数: %3。エラー: %4</translation>
     </message>
 </context>
 <context>
     <name>KDLockFile</name>
     <message>
-        <source>Could not create lock file &apos;%1&apos;: %2</source>
+        <source>Cannot create lock file &apos;%1&apos;: %2</source>
         <translation>ロックファイル &apos;%1&apos; を作成できませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not write PID to lock file &apos;%1&apos;: %2</source>
+        <source>Cannot write PID to lock file &apos;%1&apos;: %2</source>
         <translation>ロックファイル &apos;%1&apos; に PID を書き込めませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not obtain the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot obtain the lock for file &apos;%1&apos;: %2</source>
         <translation>ファイル &apos;%1&apos; をロックできませんでした: %2</translation>
     </message>
     <message>
-        <source>Could not release the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot release the lock for file &apos;%1&apos;: %2</source>
         <translation>ファイル &apos;%1&apos; のロックを解除できませんでした: %2</translation>
     </message>
 </context>
diff --git a/src/sdk/translations/pl.ts b/src/sdk/translations/pl.ts
index 46b173d28..3de7f4678 100644
--- a/src/sdk/translations/pl.ts
+++ b/src/sdk/translations/pl.ts
@@ -15,26 +15,26 @@
 <context>
     <name>BinaryContent</name>
     <message>
-        <source>Could not seek to %1 to read the operation data.</source>
+        <source>Cannot seek to %1 to read the operation data.</source>
         <translation>Nie można przesunąć wskaźnika pozycji pliku do %1 w celu odczytania danych operacji.</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection block.</source>
+        <source>Cannot seek to %1 to read the resource collection block.</source>
         <translation>Nie można przesunąć wskaźnika pozycji pliku do %1 w celu odczytania bloku kolekcji zasobów.</translation>
     </message>
     <message>
-        <source>Could not open meta resource. Error: %1</source>
+        <source>Cannot open meta resource. Error: %1</source>
         <translation>Nie można otworzyć metazasobów. Błąd: %1</translation>
     </message>
 </context>
 <context>
     <name>BinaryLayout</name>
     <message>
-        <source>Could not seek to %1 to read the embedded meta data count.</source>
+        <source>Cannot seek to %1 to read the embedded meta data count.</source>
         <translation>Nie można przesunąć wskaźnika pozycji pliku do %1 w celu odczytania ilości danych wbudowanych.</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection segment.</source>
+        <source>Cannot seek to %1 to read the resource collection segment.</source>
         <translation>Nie można przesunąć wskaźnika pozycji pliku do %1 w celu odczytania segmentu z kolekcją zasobów.</translation>
     </message>
     <message>
@@ -72,34 +72,34 @@
         <translation>Isniejąca ścieżka %1 nie jest katalogiem</translation>
     </message>
     <message>
-        <source>Could not create folder: %1</source>
+        <source>Cannot create folder: %1</source>
         <translation>Nie można utworzyć katalogu: %1</translation>
     </message>
 </context>
 <context>
     <name>ExtractCallbackImpl</name>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>Nie można odczytać ścieżki elementu archiwum %1</translation>
     </message>
     <message>
-        <source>Could not remove already existing symlink. %1</source>
+        <source>Cannot remove already existing symlink. %1</source>
         <translation>Nie można usunąc istniejącego dowiązania symbolicznego %1</translation>
     </message>
     <message>
-        <source>Could not open file: %1 (%2)</source>
+        <source>Cannot open file: %1 (%2)</source>
         <translation>Nie można otworzyć pliku %1: %2</translation>
     </message>
     <message>
-        <source>Could not create symlink at &apos;%1&apos;. Another one is already existing.</source>
+        <source>Cannot create symlink at &apos;%1&apos;. Another one is already existing.</source>
         <translation>Nie można utworzyć dowiązania symbolicznego &quot;%1&quot;. Istnieje już dowiązanie do innego pliku.</translation>
     </message>
     <message>
-        <source>Could not read symlink target from file &apos;%1&apos;.</source>
+        <source>Cannot read symlink target from file &apos;%1&apos;.</source>
         <translation>Nie można odczytać docelowego pliku &quot;%1&quot; wynikającego z dowiązania.</translation>
     </message>
     <message>
-        <source>Could not create symlink at %1. %2</source>
+        <source>Cannot create symlink at %1. %2</source>
         <translation>Nie można utworzyć dowiązania symbolicznego &quot;%1&quot;: %2</translation>
     </message>
 </context>
@@ -140,19 +140,19 @@
 <context>
     <name>KDLockFile</name>
     <message>
-        <source>Could not create lock file &apos;%1&apos;: %2</source>
+        <source>Cannot create lock file &apos;%1&apos;: %2</source>
         <translation>Nie można zablokować pliku &quot;%1&quot;: %2</translation>
     </message>
     <message>
-        <source>Could not write PID to lock file &apos;%1&apos;: %2</source>
+        <source>Cannot write PID to lock file &apos;%1&apos;: %2</source>
         <translation>Nie można zapisać PID w celu zablokowania pliku &quot;%1&quot;: %2</translation>
     </message>
     <message>
-        <source>Could not obtain the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot obtain the lock for file &apos;%1&apos;: %2</source>
         <translation>Nie można uzyskać wyłączności dostępu do pliku &quot;%1&quot;: %2</translation>
     </message>
     <message>
-        <source>Could not release the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot release the lock for file &apos;%1&apos;: %2</source>
         <translation>Nie można odblokować pliku &quot;%1&quot;: %2</translation>
     </message>
 </context>
@@ -171,7 +171,7 @@
         <translation>dokładnie 2</translation>
     </message>
     <message>
-        <source>Could not open file &apos;%1&apos; for writing: %2</source>
+        <source>Cannot open file &apos;%1&apos; for writing: %2</source>
         <translation>Nie można otworzyć pliku &quot;%1&quot; do zapisu: %2</translation>
     </message>
     <message>
@@ -179,18 +179,18 @@
         <translation>Nie można odnaleźć kopii zapasowej pliku %1.</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1.</source>
+        <source>Cannot restore backup file for %1.</source>
         <translation>Nie można przywrócić kopii zapasowej pliku %1.</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1: %2</source>
+        <source>Cannot restore backup file for %1: %2</source>
         <translation>Nie można przywrócić kopii zapasowej pliku %1: %2</translation>
     </message>
 </context>
 <context>
     <name>KDUpdater::CopyOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>Nie można utworzyć kopii zapasowej pliku %1.</translation>
     </message>
     <message>
@@ -198,23 +198,23 @@
         <translation>Niewłaściwe argumenty: ilość przekazanych argumentów %1, oczekiwano 2.</translation>
     </message>
     <message>
-        <source>Could not copy a non-existent file: %1</source>
+        <source>Cannot copy a non-existent file: %1</source>
         <translation>Nie można skopiować nieistniejącego pliku: %1</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>Nie można usunąć pliku docelowego %1: %2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>Nie można skopiować pliku z %1 do %2: %3</translation>
     </message>
     <message>
-        <source>Could not delete file %1: %2</source>
+        <source>Cannot delete file %1: %2</source>
         <translation>Nie można usunąć pliku %1: %2</translation>
     </message>
     <message>
-        <source>Could not restore backup file into %1: %2</source>
+        <source>Cannot restore backup file into %1: %2</source>
         <translation>Nie można przywrócić kopii zapasowej pliku %1: %2</translation>
     </message>
 </context>
@@ -307,7 +307,7 @@
         <translation>Nie można pobrać %1: błąd zapisu do %2: %3</translation>
     </message>
     <message>
-        <source>Cannot download %1: Could not create %2: %3</source>
+        <source>Cannot download %1: Cannot create %2: %3</source>
         <translation>Nie można pobrać %1: błąd tworzenia %2: %3</translation>
     </message>
     <message>
@@ -361,7 +361,7 @@
         <translation>Niewłaściwe argumenty: ilość przekazanych argumentów %1, oczekiwano 1.</translation>
     </message>
     <message>
-        <source>Could not create folder %1: Unknown error.</source>
+        <source>Cannot create folder %1: Unknown error.</source>
         <translation>Nie można utworzyć katalogu %1: Nieznany błąd.</translation>
     </message>
     <message>
@@ -372,7 +372,7 @@
 <context>
     <name>KDUpdater::MoveOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>Nie można utworzyć kopii zapasowej pliku %1.</translation>
     </message>
     <message>
@@ -380,11 +380,11 @@
         <translation>Niewłaściwe argumenty: ilość przekazanych argumentów %1, oczekiwano 2.</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>Nie można usunąc pliku docelowego %1: %2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>Nie można skopiować pliku z %1 do %2: %3</translation>
     </message>
     <message>
@@ -411,7 +411,7 @@
         <translation>Plik %1 nie istnieje.</translation>
     </message>
     <message>
-        <source>Could not open %1.</source>
+        <source>Cannot open %1.</source>
         <translation>Nie można otworzyć %1.</translation>
     </message>
     <message>
@@ -434,11 +434,11 @@
         <translation>Niewłaściwe argumenty: ilość przekazanych argumentów %1, oczekiwano 2.</translation>
     </message>
     <message>
-        <source>Could not open file %1 for reading: %2</source>
+        <source>Cannot open file %1 for reading: %2</source>
         <translation>Nie można otworzyć pliku %1 do odczytu: %2</translation>
     </message>
     <message>
-        <source>Could not open file %1 for writing: %2</source>
+        <source>Cannot open file %1 for writing: %2</source>
         <translation>Nie można otworzyć pliku %1 do zapisu: %2</translation>
     </message>
     <message>
@@ -457,7 +457,7 @@
 <context>
     <name>KDUpdater::ResourceFileDownloader</name>
     <message>
-        <source>Could not read resource file &quot;%1&quot;. Reason:</source>
+        <source>Cannot read resource file &quot;%1&quot;. Reason:</source>
         <translation>Nie można odczytać pliku z zasobami &quot;%1&quot;. Powód:</translation>
     </message>
 </context>
@@ -468,11 +468,11 @@
         <translation>Niewłaściwe argumenty: ilość przekazanych argumentów %1, oczekiwano 1.</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: The folder does not exist.</source>
+        <source>Cannot remove folder %1: The folder does not exist.</source>
         <translation>Nie można usunąć katalogu %1: Katalog nie istnieje.</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>Nie można usunąć katalogu %1: %2</translation>
     </message>
     <message>
@@ -514,11 +514,11 @@
 <context>
     <name>KDUpdater::UpdateFinder</name>
     <message>
-        <source>Could not access the package information of this application.</source>
+        <source>Cannot access the package information of this application.</source>
         <translation>Brak dostępu do informacji o pakiecie dla tej aplikacji.</translation>
     </message>
     <message>
-        <source>Could not access the update sources information of this application.</source>
+        <source>Cannot access the update sources information of this application.</source>
         <translation>Brak dostępu do informacji o źródłach aktualizacji dla tej aplikacji.</translation>
     </message>
     <message numerus="yes">
@@ -534,7 +534,7 @@
         <translation>Pobieranie Updates.xml ze źródeł uaktualnień.</translation>
     </message>
     <message>
-        <source>Could not download update source %1 from (&apos;%2&apos;)</source>
+        <source>Cannot download update source %1 from (&apos;%2&apos;)</source>
         <translation>Nie można pobrać źródła uaktualnienia %1 z (&quot;%2&quot;)</translation>
     </message>
     <message>
@@ -557,7 +557,7 @@
         <translation>Niepoprawna zawartość %1: %2</translation>
     </message>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>Nie można odczytać &quot;%1&quot;</translation>
     </message>
     <message>
@@ -569,7 +569,7 @@
         <translation>Nieoczekiwany główny element %1, oczekiwano &lt;UpdateSources&gt;</translation>
     </message>
     <message>
-        <source>Could not save changes to &quot;%1&quot;: %2</source>
+        <source>Cannot save changes to &quot;%1&quot;: %2</source>
         <translation>Nie można zachować zmian w &quot;%1&quot;: %2</translation>
     </message>
 </context>
@@ -580,7 +580,7 @@
         <translation>Niepoprawna zawartość Updates.xml: %1</translation>
     </message>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>Nie można odczytać &quot;%1&quot;</translation>
     </message>
     <message>
@@ -615,11 +615,11 @@
 <context>
     <name>Lib7z</name>
     <message>
-        <source>Could not retrieve number of items in archive</source>
+        <source>Cannot retrieve number of items in archive</source>
         <translation>Nie można odczytać liczby elementów w archiwum</translation>
     </message>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>Nie można odczytać ścieżki elementu archiwum %1</translation>
     </message>
     <message>
@@ -639,15 +639,15 @@
         <translation>Błąd: %1</translation>
     </message>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>Nie można załadować kodeków</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>Nie można odczytać domyślnego formatu</translation>
     </message>
     <message>
-        <source>Could not create archive %1. %2</source>
+        <source>Cannot create archive %1. %2</source>
         <translation>Nie można utworzyć archiwum %1. %2</translation>
     </message>
     <message>
@@ -659,14 +659,14 @@
         <translation>Indeks elementu %1 poza zakresem [0, %2]</translation>
     </message>
     <message>
-        <source>Could not create output file for writing: %1</source>
+        <source>Cannot create output file for writing: %1</source>
         <translation>Nie można otworzyć pliku wyjściowego do zapisu: %1</translation>
     </message>
 </context>
 <context>
     <name>Lib7z::ExtractItemJob</name>
     <message>
-        <source>Could not list archive: QIODevice not set or already destroyed.</source>
+        <source>Cannot list archive: QIODevice not set or already destroyed.</source>
         <translation>Nie można uzyskać listy zawartości archiwum: nie ustawiono QIODevice lub został on już zlikwidowany.</translation>
     </message>
     <message>
@@ -685,7 +685,7 @@
 <context>
     <name>Lib7z::ListArchiveJob</name>
     <message>
-        <source>Could not list archive: QIODevice already destroyed.</source>
+        <source>Cannot list archive: QIODevice already destroyed.</source>
         <translation>Nie można uzyskać listy zawartości archiwum: QIODevice został już zlikwidowany.</translation>
     </message>
     <message>
@@ -700,15 +700,15 @@
 <context>
     <name>OpenArchiveInfo</name>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>Nie można załadować kodeków</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>Nie można odczytać domyślnego formatu</translation>
     </message>
     <message>
-        <source>Could not open archive</source>
+        <source>Cannot open archive</source>
         <translation>Nie można otworzyć archiwum</translation>
     </message>
     <message>
@@ -786,43 +786,43 @@
         <translation>YiB</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>Nie można usunąć pliku %1: %2</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>Nie można usunąć katalogu %1: %2</translation>
     </message>
     <message>
-        <source>Could not create folder %1</source>
+        <source>Cannot create folder %1</source>
         <translation>Nie można utworzyć katalogu %1</translation>
     </message>
     <message>
-        <source>Could not copy file from %1 to %2: %3</source>
+        <source>Cannot copy file from %1 to %2: %3</source>
         <translation>Nie można skopiować pliku z %1 do %2: %3</translation>
     </message>
     <message>
-        <source>Could not move file from %1 to %2: %3</source>
+        <source>Cannot move file from %1 to %2: %3</source>
         <translation>Nie można przenieść pliku z %1 do %2: %3</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2</source>
+        <source>Cannot create folder %1: %2</source>
         <translation>Nie można utworzyć katalogu %1: %2</translation>
     </message>
     <message>
-        <source>Could not open temporary file: %1</source>
+        <source>Cannot open temporary file: %1</source>
         <translation>Nie można otworzyć pliku tymczasowego: %1</translation>
     </message>
     <message>
-        <source>Could not open temporary file for template %1: %2</source>
+        <source>Cannot open temporary file for template %1: %2</source>
         <translation>Nie można otworzyć pliku tymczasowego dla szablonu %1: %2</translation>
     </message>
     <message>
-        <source>Could not create temporary file</source>
+        <source>Cannot create temporary file</source>
         <translation>Nie można utworzyć pliku tymczasowego</translation>
     </message>
     <message>
-        <source>Could not retrieve property %1 for item %2</source>
+        <source>Cannot retrieve property %1 for item %2</source>
         <translation>Nie można pobrać właściwości %1 z elementu %2</translation>
     </message>
     <message>
@@ -830,11 +830,11 @@
         <translation>Właściwość %1 elementu %2 nie jest typu VT_FILETIME, tylko %3</translation>
     </message>
     <message>
-        <source>Could not convert file time to local time</source>
+        <source>Cannot convert file time to local time</source>
         <translation>Nie można skonwertować czasu zapisu pliku do czasu lokalnego</translation>
     </message>
     <message>
-        <source>Could not convert local file time to system time</source>
+        <source>Cannot convert local file time to system time</source>
         <translation>Nie można skonwertować lokalnego czasu do czasu systemowego</translation>
     </message>
     <message>
@@ -857,19 +857,19 @@
         <translation>Komponenty nie mogą posiadać dzieci w trybie aktualizacji.</translation>
     </message>
     <message>
-        <source>Could not open the requested translation file &apos;%1&apos;.</source>
+        <source>Cannot open the requested translation file &apos;%1&apos;.</source>
         <translation>Nie można otworzyć wymaganego pliku z tłumaczeniami &quot;%1&quot;.</translation>
     </message>
     <message>
-        <source>Could not open the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>Nie można otworzyć wymaganego pliku UI &quot;%1&quot;. Błąd: %2</translation>
     </message>
     <message>
-        <source>Could not load the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot load the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>Nie można załadować wymaganego pliku UI &quot;%1&quot;. Błąd: %2</translation>
     </message>
     <message>
-        <source>Could not open the requested license file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested license file &apos;%1&apos;. Error: %2</source>
         <translation>Nie można otworzyć wymaganego pliku z licencją &quot;%1&quot;. Błąd: %2</translation>
     </message>
     <message>
@@ -1045,7 +1045,7 @@
         <translation>Niewłaściwe argumenty w %0: katalogi są niewłaściwe: %1, %2</translation>
     </message>
     <message>
-        <source>Could not create %0</source>
+        <source>Cannot create %0</source>
         <translation>Nie można utworzyć %0</translation>
     </message>
     <message>
@@ -1053,11 +1053,11 @@
         <translation>Nie można nadpisać %1</translation>
     </message>
     <message>
-        <source>Could not copy %0 to %1, error was: %3</source>
+        <source>Cannot copy %0 to %1, error was: %3</source>
         <translation>Nie można skopiować pliku z %0 do %1: %3</translation>
     </message>
     <message>
-        <source>Could not remove %0</source>
+        <source>Cannot remove %0</source>
         <translation>Nie można usunąć %0</translation>
     </message>
 </context>
@@ -1068,11 +1068,11 @@
         <translation>Niepoprawna ilość zadań.</translation>
     </message>
     <message>
-        <source>Could not open source &apos;%1&apos; for read. Error: %2.</source>
+        <source>Cannot open source &apos;%1&apos; for read. Error: %2.</source>
         <translation>Nie można otworzyć źródła &quot;%1&quot; do odczytu. Błąd: %2.</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <translation>Nie można otworzyć &quot;%1&quot; do zapisu. Błąd: %2.</translation>
     </message>
     <message>
@@ -1083,7 +1083,7 @@
 <context>
     <name>QInstaller::CreateDesktopEntryOperation</name>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>Nie można utworzyć kopii zapasowej pliku %1: %2</translation>
     </message>
     <message>
@@ -1099,7 +1099,7 @@
         <translation>Nie można nadpisać %1</translation>
     </message>
     <message>
-        <source>Could not write Desktop Entry at %1</source>
+        <source>Cannot write Desktop Entry at %1</source>
         <translation>Nie można zapisać Desktop Entry w %1</translation>
     </message>
 </context>
@@ -1114,26 +1114,26 @@
         <translation>dokładnie 2</translation>
     </message>
     <message>
-        <source>Could not create link from %1 to %2.</source>
+        <source>Cannot create link from %1 to %2.</source>
         <translation>Nie można utworzyć dowiązania z %1 do %2.</translation>
     </message>
     <message>
-        <source>Could not remove link from %1 to %2.</source>
+        <source>Cannot remove link from %1 to %2.</source>
         <translation>Nie można usunąć dowiązania z %1 do %2.</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::CreateLocalRepositoryOperation</name>
     <message>
-        <source>Could not set file permissions %1!</source>
+        <source>Cannot set file permissions %1!</source>
         <translation>Nie można ustawić praw dostępu %1.</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>Nie można usunąć pliku %1: %2</translation>
     </message>
     <message>
-        <source>Could not move file %1 to %2. Error: %3</source>
+        <source>Cannot move file %1 to %2. Error: %3</source>
         <translation>Nie można przenieść pliku z %1 do %2: %3</translation>
     </message>
     <message>
@@ -1149,19 +1149,19 @@
         <translation>Instalator musi być w wersji offline: %1.</translation>
     </message>
     <message>
-        <source>Could not open file: %1</source>
+        <source>Cannot open file: %1</source>
         <translation>Nie można otworzyć pliku %1</translation>
     </message>
     <message>
-        <source>Could not read: %1. Error: %2</source>
+        <source>Cannot read: %1. Error: %2</source>
         <translation>Błąd odczytu %1: %2</translation>
     </message>
     <message>
-        <source>Could not open file: %1. Error: %2</source>
+        <source>Cannot open file: %1. Error: %2</source>
         <translation>Nie można otworzyć pliku %1: %2</translation>
     </message>
     <message>
-        <source>Could not create target dir: %1.</source>
+        <source>Cannot create target dir: %1.</source>
         <translation>Nie można utworzyć katalogu docelowego %1.</translation>
     </message>
     <message>
@@ -1173,7 +1173,7 @@
         <translation>Usuwanie pliku %0</translation>
     </message>
     <message>
-        <source>Could not remove %0.</source>
+        <source>Cannot remove %0.</source>
         <translation>Nie można usunąć %0.</translation>
     </message>
     <message>
@@ -1196,7 +1196,7 @@
         <translation> (opcjonalnie: &apos;workingDirectory=...&apos;, &apos;iconPath=...&apos;, &apos;iconId=...&apos;)</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2.</source>
+        <source>Cannot create folder %1: %2.</source>
         <translation>Nie można utworzyć katalogu %1: %2.</translation>
     </message>
     <message>
@@ -1204,7 +1204,7 @@
         <translation>Nie można nadpisać %1: %2</translation>
     </message>
     <message>
-        <source>Could not create link %1: %2</source>
+        <source>Cannot create link %1: %2</source>
         <translation>Nie można utworzyć dowiązania %1: %2</translation>
     </message>
 </context>
@@ -1227,15 +1227,15 @@
         <translation>Weryfikacja hasha podczas pobierania nie powiodła się. Jest to tymczasowy błąd, spróbuj ponownie.</translation>
     </message>
     <message>
-        <source>Could not verify Hash</source>
+        <source>Cannot verify Hash</source>
         <translation>Nie można zweryfikować hasha</translation>
     </message>
     <message>
-        <source>Could not download archive: %1 : %2</source>
+        <source>Cannot download archive: %1 : %2</source>
         <translation>Nie można pobrać archiwum %1: %2</translation>
     </message>
     <message>
-        <source>Could not fetch archives: %1
+        <source>Cannot fetch archives: %1
 Error while loading %2</source>
         <translation>Nie można pobrać archiwów: %1
 Błąd podczas ładowania %2</translation>
@@ -1249,7 +1249,7 @@ Błąd podczas ładowania %2</translation>
         <translation>Nieobsługiwany schemat %1 (%2)</translation>
     </message>
     <message>
-        <source>Could not find component for: %1.</source>
+        <source>Cannot find component for: %1.</source>
         <translation>Brak komponentu dla %1.</translation>
     </message>
 </context>
@@ -1297,7 +1297,7 @@ Błąd podczas ładowania %2</translation>
         <translation>Ścieżka docelowa &quot;%1&quot; już istnieje, lecz nie jest ona plikiem.</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <extracomment>%2 is a sentence describing the error</extracomment>
         <translation>Nie można otworzyć pliku docelowego &quot;%1&quot; do zapisu. Błąd: %2.</translation>
     </message>
@@ -1313,11 +1313,11 @@ Błąd podczas ładowania %2</translation>
         <translation>przynajmniej 1</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start detached: &quot;%1&quot;</source>
+        <source>Execution failed: Cannot start detached: &quot;%1&quot;</source>
         <translation>Błąd wykonywania. Nie można odrębnie uruchomić &quot;%1&quot;</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start: &quot;%1&quot;(%2)</source>
+        <source>Execution failed: Cannot start: &quot;%1&quot;(%2)</source>
         <translation>Błąd wykonywania. Nie można uruchomić &quot;%1&quot;: %2</translation>
     </message>
     <message>
@@ -1354,7 +1354,7 @@ Błąd podczas ładowania %2</translation>
 <context>
     <name>QInstaller::ExtractArchiveOperation::Runnable</name>
     <message>
-        <source>Could not open %1 for reading: %2.</source>
+        <source>Cannot open %1 for reading: %2.</source>
         <translation>Nie można otworzyć pliku %1 do odczytu: %2.</translation>
     </message>
     <message>
@@ -1373,7 +1373,7 @@ Błąd podczas ładowania %2</translation>
         <translation>Nieoczekiwana liczba argumentów, wymagany jest tylko jeden</translation>
     </message>
     <message>
-        <source>Could not get package manager core.</source>
+        <source>Cannot get package manager core.</source>
         <translation>Brak dostępu do &quot;package manager core&quot;.</translation>
     </message>
     <message>
@@ -1505,7 +1505,7 @@ Błąd podczas ładowania %2</translation>
         <translation>Niepoprawny argument: nazwa katalogu źródłowego nie może być pusta.</translation>
     </message>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>Nie można utworzyć kopii zapasowej pliku %1: %2</translation>
     </message>
     <message>
@@ -1517,7 +1517,7 @@ Błąd podczas ładowania %2</translation>
         <translation>Nie można nadpisać %1: %2</translation>
     </message>
     <message>
-        <source>Could not create folder at %1: %2</source>
+        <source>Cannot create folder at %1: %2</source>
         <translation>Nie można utworzyć katalogu %1: %2</translation>
     </message>
 </context>
@@ -1694,7 +1694,7 @@ Błąd podczas ładowania %2</translation>
         <translation>Złapano nieznany wyjątek podczas rozpakowywania %1.</translation>
     </message>
     <message>
-        <source>Could not open %1 for reading. Error: %2</source>
+        <source>Cannot open %1 for reading. Error: %2</source>
         <translation>Nie można otworzyć pliku %1 do odczytu: %2</translation>
     </message>
 </context>
@@ -1786,7 +1786,7 @@ Pobieranie pakietów...</translation>
         <translation>Błędny format</translation>
     </message>
     <message>
-        <source>Could not write installer configuration to %1: %2</source>
+        <source>Cannot write installer configuration to %1: %2</source>
         <translation>Nie można zapisać konfiguracji instalatora do %1: %2</translation>
     </message>
     <message>
@@ -1818,19 +1818,19 @@ Pobieranie pakietów...</translation>
         <translation>Narzędzie konserwacji nie jest pakietem</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool data to %1: %2</source>
+        <source>Cannot write maintenance tool data to %1: %2</source>
         <translation>Nie można zapisać danych narzędzia konserwacji do %1: %2</translation>
     </message>
     <message>
-        <source>Could not remove data file &apos;%1&apos;: %2</source>
+        <source>Cannot remove data file &apos;%1&apos;: %2</source>
         <translation>Nie można usunąć pliku z danymi &quot;%1&quot;: %2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool to %1: %2</source>
+        <source>Cannot write maintenance tool to %1: %2</source>
         <translation>Nie można zapisać narzędzia konserwacji do %1: %2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool binary data to %1: %2</source>
+        <source>Cannot write maintenance tool binary data to %1: %2</source>
         <translation>Nie można zapisać binarnych danych narzędzia konserwacji do %1: %2</translation>
     </message>
     <message>
@@ -1928,7 +1928,7 @@ Instalacja komponentu %1</translation>
         <translation>Nieznany błąd</translation>
     </message>
     <message>
-        <source>Could not retrieve remote tree: %1.</source>
+        <source>Cannot retrieve remote tree: %1.</source>
         <translation>Nie można odczytać zdalnego drzewa: %1.</translation>
     </message>
     <message>
@@ -1936,15 +1936,15 @@ Instalacja komponentu %1</translation>
         <translation>Nie można odczytać pakietów z: %1.</translation>
     </message>
     <message>
-        <source>Could not retrieve meta information: %1</source>
+        <source>Cannot retrieve meta information: %1</source>
         <translation>Nie można odczytać metainformacji: %1</translation>
     </message>
     <message>
-        <source>Could not add temporary update source information.</source>
+        <source>Cannot add temporary update source information.</source>
         <translation>Nie można dodać tymczasowej informacji o źródłach aktualizacji.</translation>
     </message>
     <message>
-        <source>Could not find any update source information.</source>
+        <source>Cannot find any update source information.</source>
         <translation>Brak informacji o źródłach aktualizacji.</translation>
     </message>
     <message>
@@ -2159,14 +2159,14 @@ Skopiuj instalator na lokalny dysk.</translation>
 <context>
     <name>QInstaller::RemoteObject</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>Nie można odczytać wszystkich danych po wysłaniu komendy: %1. Oczekiwano %2 bajtów, otrzymano %3 bajtów. Błąd: %4</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::RemoteServerConnection</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>Nie można odczytać wszystkich danych po wysłaniu komendy: %1. Oczekiwano %2 bajtów, otrzymano %3 bajtów. Błąd: %4</translation>
     </message>
 </context>
@@ -2192,7 +2192,7 @@ Skopiuj instalator na lokalny dysk.</translation>
 <context>
     <name>QInstaller::Resource</name>
     <message>
-        <source>Could not open Resource &apos;%1&apos; read-only.</source>
+        <source>Cannot open Resource &apos;%1&apos; read-only.</source>
         <translation>Nie można otworzyć zasobu &quot;%1&quot; do odczytu.</translation>
     </message>
     <message>
@@ -2214,7 +2214,7 @@ Skopiuj instalator na lokalny dysk.</translation>
 <context>
     <name>QInstaller::ScriptEngine</name>
     <message>
-        <source>Could not open the requested script file at %1: %2.</source>
+        <source>Cannot open the requested script file at %1: %2.</source>
         <translation>Nie można otworzyć wymaganego pliku ze skryptem &quot;%1&quot;: %2.</translation>
     </message>
     <message>
@@ -2411,7 +2411,7 @@ Czy kontynuować?</translation>
         <translation>Przekroczono maksymalny czas oczekiwania na zakończenie testowania: &quot;%1&quot;</translation>
     </message>
     <message>
-        <source>Could not parse Updates.xml! Error: %1.</source>
+        <source>Cannot parse Updates.xml! Error: %1.</source>
         <translation>Nie można sparsować Updates.xml. Błąd: %1.</translation>
     </message>
     <message>
@@ -2441,11 +2441,11 @@ Czy kontynuować?</translation>
 <context>
     <name>RemoteClient</name>
     <message>
-        <source>Could not get authorization.</source>
+        <source>Cannot get authorization.</source>
         <translation>Nie można uzyskać autoryzacji.</translation>
     </message>
     <message>
-        <source>Could not get authorization that is needed for continuing the installation.
+        <source>Cannot get authorization that is needed for continuing the installation.
  Either abort the installation or use the fallback solution by running
 
 %1
@@ -2461,14 +2461,14 @@ jako administrator, po czym naciśnij OK.</translation>
 <context>
     <name>ResourceCollectionManager</name>
     <message>
-        <source>Could not open resource %1: %2</source>
+        <source>Cannot open resource %1: %2</source>
         <translation>Nie można otworzyć pliku z zasobami %1: %2</translation>
     </message>
 </context>
 <context>
     <name>Settings</name>
     <message>
-        <source>Could not open settings file %1 for reading: %2</source>
+        <source>Cannot open settings file %1 for reading: %2</source>
         <translation>Nie można otworzyć pliku z ustawieniami %1 do odczytu: %2</translation>
     </message>
 </context>
@@ -2598,7 +2598,7 @@ jako administrator, po czym naciśnij OK.</translation>
         <translation>Ścieżka %1 rejestru jest tylko do odczytu</translation>
     </message>
     <message>
-        <source>Could not write to registry path %1</source>
+        <source>Cannot write to registry path %1</source>
         <translation>Nie można zapisać do ścieżki rejestru %1</translation>
     </message>
     <message>
diff --git a/src/sdk/translations/ru.ts b/src/sdk/translations/ru.ts
index 6485407d4..57f2c9ba4 100644
--- a/src/sdk/translations/ru.ts
+++ b/src/sdk/translations/ru.ts
@@ -15,26 +15,26 @@
 <context>
     <name>BinaryContent</name>
     <message>
-        <source>Could not seek to %1 to read the operation data.</source>
+        <source>Cannot seek to %1 to read the operation data.</source>
         <translation>Не удалось перейти в позицию %1 для чтения данных операций.</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection block.</source>
+        <source>Cannot seek to %1 to read the resource collection block.</source>
         <translation>Не удалось перейти в позицию %1 для чтения блока набора ресурсов.</translation>
     </message>
     <message>
-        <source>Could not open meta resource. Error: %1</source>
+        <source>Cannot open meta resource. Error: %1</source>
         <translation>Не удалось открыть метаресурсы. Ошибка: %1</translation>
     </message>
 </context>
 <context>
     <name>BinaryLayout</name>
     <message>
-        <source>Could not seek to %1 to read the embedded meta data count.</source>
+        <source>Cannot seek to %1 to read the embedded meta data count.</source>
         <translation>Не удалось перейти в позицию %1 для чтения счётчика встроенных метаданных.</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection segment.</source>
+        <source>Cannot seek to %1 to read the resource collection segment.</source>
         <translation>Не удалось перейти в позицию %1 для чтения сегмента набора ресурсов.</translation>
     </message>
     <message>
@@ -72,34 +72,34 @@
         <translation>Путь существует, но не является каталогом: %1</translation>
     </message>
     <message>
-        <source>Could not create folder: %1</source>
+        <source>Cannot create folder: %1</source>
         <translation>Не удалось создать каталог: %1</translation>
     </message>
 </context>
 <context>
     <name>ExtractCallbackImpl</name>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>Не удалось определить путь файла %1 в архиве</translation>
     </message>
     <message>
-        <source>Could not remove already existing symlink. %1</source>
+        <source>Cannot remove already existing symlink. %1</source>
         <translation>Не удалось удалить существующую символьную ссылку. %1</translation>
     </message>
     <message>
-        <source>Could not open file: %1 (%2)</source>
+        <source>Cannot open file: %1 (%2)</source>
         <translation>Не удалось открыть файл: %1 (%2)</translation>
     </message>
     <message>
-        <source>Could not create symlink at &apos;%1&apos;. Another one is already existing.</source>
+        <source>Cannot create symlink at &apos;%1&apos;. Another one is already existing.</source>
         <translation>Не удалось создать символьную ссылку «%1», потому что ссылка уже существует.</translation>
     </message>
     <message>
-        <source>Could not read symlink target from file &apos;%1&apos;.</source>
+        <source>Cannot read symlink target from file &apos;%1&apos;.</source>
         <translation>Не удалось прочитать цель символьной ссылки из файла «%1».</translation>
     </message>
     <message>
-        <source>Could not create symlink at %1. %2</source>
+        <source>Cannot create symlink at %1. %2</source>
         <translation>Не удалось создать символьную ссылку %1. %2</translation>
     </message>
 </context>
@@ -140,19 +140,19 @@
 <context>
     <name>KDLockFile</name>
     <message>
-        <source>Could not create lock file &apos;%1&apos;: %2</source>
+        <source>Cannot create lock file &apos;%1&apos;: %2</source>
         <translation>Не удалось создать файл блокировки «%1»: %2</translation>
     </message>
     <message>
-        <source>Could not write PID to lock file &apos;%1&apos;: %2</source>
+        <source>Cannot write PID to lock file &apos;%1&apos;: %2</source>
         <translation>Не удалось записать PID в файл блокировки «%1»: %2</translation>
     </message>
     <message>
-        <source>Could not obtain the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot obtain the lock for file &apos;%1&apos;: %2</source>
         <translation>Не удалось заблокировать файл «%1»: %2</translation>
     </message>
     <message>
-        <source>Could not release the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot release the lock for file &apos;%1&apos;: %2</source>
         <translation>Не удалось разблокировать файл «%1»: %2</translation>
     </message>
 </context>
@@ -171,7 +171,7 @@
         <translation>ровно 2</translation>
     </message>
     <message>
-        <source>Could not open file &apos;%1&apos; for writing: %2</source>
+        <source>Cannot open file &apos;%1&apos; for writing: %2</source>
         <translation>Невозможно открыть файл «%1» на запись: %2</translation>
     </message>
     <message>
@@ -179,18 +179,18 @@
         <translation>Невозможно найти резервную копию %1.</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1.</source>
+        <source>Cannot restore backup file for %1.</source>
         <translation>Невозможно восстановить резервную копию %1.</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1: %2</source>
+        <source>Cannot restore backup file for %1: %2</source>
         <translation>Невозможно восстановить резервную копию %1: %2</translation>
     </message>
 </context>
 <context>
     <name>KDUpdater::CopyOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>Невозможно создать резервную копию файла %1.</translation>
     </message>
     <message>
@@ -198,23 +198,23 @@
         <translation>Недопустимое количество параметров: передано %1, требуется 2.</translation>
     </message>
     <message>
-        <source>Could not copy a non-existent file: %1</source>
+        <source>Cannot copy a non-existent file: %1</source>
         <translation>Не удалось скопировать отсутствующий файл: %1</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>Невозможно удалить файл %1: %2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>Невозможно скопировать %1 в %2: %3</translation>
     </message>
     <message>
-        <source>Could not delete file %1: %2</source>
+        <source>Cannot delete file %1: %2</source>
         <translation>Невозможно удалить файл %1: %2</translation>
     </message>
     <message>
-        <source>Could not restore backup file into %1: %2</source>
+        <source>Cannot restore backup file into %1: %2</source>
         <translation>Невозможно восстановить файл %1 из резервной копии: %2</translation>
     </message>
 </context>
@@ -307,7 +307,7 @@
         <translation>Невозможно загрузить %1: Сбой записи в файл «%2» - %3</translation>
     </message>
     <message>
-        <source>Cannot download %1: Could not create %2: %3</source>
+        <source>Cannot download %1: Cannot create %2: %3</source>
         <translation>Невозможно загрузить %1: Невозможно создать %2: %3</translation>
     </message>
     <message>
@@ -361,7 +361,7 @@
         <translation>Недопустимое количество параметров: передано %1, требуется 1.</translation>
     </message>
     <message>
-        <source>Could not create folder %1: Unknown error.</source>
+        <source>Cannot create folder %1: Unknown error.</source>
         <translation>Невозможно создать каталог %1: Неизвестная ошибка.</translation>
     </message>
     <message>
@@ -372,7 +372,7 @@
 <context>
     <name>KDUpdater::MoveOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>Невозможно создать резервную копию файла %1.</translation>
     </message>
     <message>
@@ -380,11 +380,11 @@
         <translation>Недопустимое количество параметров: передано %1, требуется 2.</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>Невозможно удалить файл назначения %1: %2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>Невозможно скопировать %1 в %2: %3</translation>
     </message>
     <message>
@@ -411,7 +411,7 @@
         <translation>Файл %1 не существует.</translation>
     </message>
     <message>
-        <source>Could not open %1.</source>
+        <source>Cannot open %1.</source>
         <translation>Невозможно открыть %1.</translation>
     </message>
     <message>
@@ -434,11 +434,11 @@
         <translation>Недопустимое количество параметров: передано %1, требуется 2.</translation>
     </message>
     <message>
-        <source>Could not open file %1 for reading: %2</source>
+        <source>Cannot open file %1 for reading: %2</source>
         <translation>Невозможно открыть файл %1 на чтение: %2</translation>
     </message>
     <message>
-        <source>Could not open file %1 for writing: %2</source>
+        <source>Cannot open file %1 for writing: %2</source>
         <translation>Невозможно открыть файл %1 на запись: %2</translation>
     </message>
     <message>
@@ -457,7 +457,7 @@
 <context>
     <name>KDUpdater::ResourceFileDownloader</name>
     <message>
-        <source>Could not read resource file &quot;%1&quot;. Reason:</source>
+        <source>Cannot read resource file &quot;%1&quot;. Reason:</source>
         <translation>Невозможно прочитать файл ресурсов «%1». Причина:</translation>
     </message>
 </context>
@@ -468,11 +468,11 @@
         <translation>Недопустимое количество параметров: передано %1, требуется 1.</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: The folder does not exist.</source>
+        <source>Cannot remove folder %1: The folder does not exist.</source>
         <translation>Невозможно удалить каталог %1: каталог с таким именем не существует.</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>Невозможно удалить каталог %1: %2</translation>
     </message>
     <message>
@@ -514,11 +514,11 @@
 <context>
     <name>KDUpdater::UpdateFinder</name>
     <message>
-        <source>Could not access the package information of this application.</source>
+        <source>Cannot access the package information of this application.</source>
         <translation>Приложение не может получить доступ к информации о пакетах.</translation>
     </message>
     <message>
-        <source>Could not access the update sources information of this application.</source>
+        <source>Cannot access the update sources information of this application.</source>
         <translation>Приложение не может получить доступ к серверам обновлений.</translation>
     </message>
     <message numerus="yes">
@@ -534,7 +534,7 @@
         <translation>Загружается файл Updates.xml с сервера обновлений.</translation>
     </message>
     <message>
-        <source>Could not download update source %1 from (&apos;%2&apos;)</source>
+        <source>Cannot download update source %1 from (&apos;%2&apos;)</source>
         <translation>Не удалось загрузить источник обновлений %1 с («%2»)</translation>
     </message>
     <message>
@@ -557,7 +557,7 @@
         <translation>%1 содержит недопустимые данные: %2</translation>
     </message>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>Невозможно прочитать «%1»</translation>
     </message>
     <message>
@@ -569,7 +569,7 @@
         <translation>Непредвиденный корневой элемент %1, требуется «UpdateSources»</translation>
     </message>
     <message>
-        <source>Could not save changes to &quot;%1&quot;: %2</source>
+        <source>Cannot save changes to &quot;%1&quot;: %2</source>
         <translation>Невозможно сохранить изменения в «%1»: %2</translation>
     </message>
 </context>
@@ -580,7 +580,7 @@
         <translation>Файл Updates.xml содержит недопустимые данные: %1</translation>
     </message>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>Невозможно прочитать «%1»</translation>
     </message>
     <message>
@@ -615,11 +615,11 @@
 <context>
     <name>Lib7z</name>
     <message>
-        <source>Could not retrieve number of items in archive</source>
+        <source>Cannot retrieve number of items in archive</source>
         <translation>Не удалось определить количество файлов в архиве</translation>
     </message>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>Не удалось определить путь файла %1 в архиве</translation>
     </message>
     <message>
@@ -639,15 +639,15 @@
         <translation>Ошибка: %1</translation>
     </message>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>Не удалось загрузить кодеки</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>Не удалось определить формат по умолчанию</translation>
     </message>
     <message>
-        <source>Could not create archive %1. %2</source>
+        <source>Cannot create archive %1. %2</source>
         <translation>Не удалось создать архив %1. %2</translation>
     </message>
     <message>
@@ -659,14 +659,14 @@
         <translation>Индекс файла %1 вне лимитов [0, %2]</translation>
     </message>
     <message>
-        <source>Could not create output file for writing: %1</source>
+        <source>Cannot create output file for writing: %1</source>
         <translation>Не удалось создать выходной файл для записи: %1</translation>
     </message>
 </context>
 <context>
     <name>Lib7z::ExtractItemJob</name>
     <message>
-        <source>Could not list archive: QIODevice not set or already destroyed.</source>
+        <source>Cannot list archive: QIODevice not set or already destroyed.</source>
         <translation>Невозможно создать архив: QIODevice не установлен или уже разрушен.</translation>
     </message>
     <message>
@@ -685,7 +685,7 @@
 <context>
     <name>Lib7z::ListArchiveJob</name>
     <message>
-        <source>Could not list archive: QIODevice already destroyed.</source>
+        <source>Cannot list archive: QIODevice already destroyed.</source>
         <translation>Невозможно создать архив: QIODevice уже разрушен.</translation>
     </message>
     <message>
@@ -700,15 +700,15 @@
 <context>
     <name>OpenArchiveInfo</name>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>Не удалось загрузить кодеки</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>Не удалось определить формат по умолчанию</translation>
     </message>
     <message>
-        <source>Could not open archive</source>
+        <source>Cannot open archive</source>
         <translation>Не удалось открыть архив</translation>
     </message>
     <message>
@@ -762,35 +762,35 @@
         <translation>ИБ</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>Не удалось удалить файл %1: %2</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>Не удалось удалить каталог %1: %2</translation>
     </message>
     <message>
-        <source>Could not create folder %1</source>
+        <source>Cannot create folder %1</source>
         <translation>Не удалось создать каталог %1</translation>
     </message>
     <message>
-        <source>Could not copy file from %1 to %2: %3</source>
+        <source>Cannot copy file from %1 to %2: %3</source>
         <translation>Не удалось скопировать файл из %1 в %2: %3</translation>
     </message>
     <message>
-        <source>Could not move file from %1 to %2: %3</source>
+        <source>Cannot move file from %1 to %2: %3</source>
         <translation>Не удалось переместить файл из %1 в %2: %3</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2</source>
+        <source>Cannot create folder %1: %2</source>
         <translation>Не удалось создать каталог %1: %2</translation>
     </message>
     <message>
-        <source>Could not open temporary file: %1</source>
+        <source>Cannot open temporary file: %1</source>
         <translation>Не удалось открыть временный файл %1</translation>
     </message>
     <message>
-        <source>Could not open temporary file for template %1: %2</source>
+        <source>Cannot open temporary file for template %1: %2</source>
         <translation>Не удалось открыть временный файл для шаблона %1: %2</translation>
     </message>
     <message>
@@ -826,11 +826,11 @@
         <translation>Сбой записи с %1 байта: %2</translation>
     </message>
     <message>
-        <source>Could not create temporary file</source>
+        <source>Cannot create temporary file</source>
         <translation>Не удалось создать временный файл</translation>
     </message>
     <message>
-        <source>Could not retrieve property %1 for item %2</source>
+        <source>Cannot retrieve property %1 for item %2</source>
         <translation>Не удалось определить свойство %1 для элемента %2</translation>
     </message>
     <message>
@@ -838,11 +838,11 @@
         <translation>Свойство %1 элемента %2 относится не к типу VT_FILETIME, а к %3</translation>
     </message>
     <message>
-        <source>Could not convert file time to local time</source>
+        <source>Cannot convert file time to local time</source>
         <translation>Не удалось преобразовать время файла в локальное время</translation>
     </message>
     <message>
-        <source>Could not convert local file time to system time</source>
+        <source>Cannot convert local file time to system time</source>
         <translation>Не удалось преобразовать время файла в системное время</translation>
     </message>
     <message>
@@ -857,19 +857,19 @@
         <translation>У компонентов не может быть потомков в режиме обновления.</translation>
     </message>
     <message>
-        <source>Could not open the requested translation file &apos;%1&apos;.</source>
+        <source>Cannot open the requested translation file &apos;%1&apos;.</source>
         <translation>Невозможно открыть файл перевода «%1».</translation>
     </message>
     <message>
-        <source>Could not open the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>Невозможно открыть UI файл «%1». Ошибка: %2</translation>
     </message>
     <message>
-        <source>Could not load the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot load the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>Невозможно загрузить UI файл «%1». Ошибка: %2</translation>
     </message>
     <message>
-        <source>Could not open the requested license file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested license file &apos;%1&apos;. Error: %2</source>
         <translation>Невозможно открыть файл лицензии «%1». Ошибка: %2</translation>
     </message>
     <message>
@@ -1049,7 +1049,7 @@
         <translation>Недопустимые параметры в %0: Недопустимые имена папок: %1 %2</translation>
     </message>
     <message>
-        <source>Could not create %0</source>
+        <source>Cannot create %0</source>
         <translation>Невозможно создать %0</translation>
     </message>
     <message>
@@ -1057,11 +1057,11 @@
         <translation>Не удалось перезаписать %1</translation>
     </message>
     <message>
-        <source>Could not copy %0 to %1, error was: %3</source>
+        <source>Cannot copy %0 to %1, error was: %3</source>
         <translation>Невозможно скопировать %0 в %1. Ошибка: %3</translation>
     </message>
     <message>
-        <source>Could not remove %0</source>
+        <source>Cannot remove %0</source>
         <translation>Невозможно удалить %0</translation>
     </message>
 </context>
@@ -1072,11 +1072,11 @@
         <translation type="unfinished">Неверное число элементов task.</translation>
     </message>
     <message>
-        <source>Could not open source &apos;%1&apos; for read. Error: %2.</source>
+        <source>Cannot open source &apos;%1&apos; for read. Error: %2.</source>
         <translation>Не удалось открыть источник «%1» для чтения. Ошибка: %2.</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <translation>Не удалось открыть «%1» для записи. Ошибка: %2.</translation>
     </message>
     <message>
@@ -1087,7 +1087,7 @@
 <context>
     <name>QInstaller::CreateDesktopEntryOperation</name>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>Не удалось создать резервную копию файла %1: %2</translation>
     </message>
     <message>
@@ -1103,7 +1103,7 @@
         <translation>Не удалось перезаписать %1</translation>
     </message>
     <message>
-        <source>Could not write Desktop Entry at %1</source>
+        <source>Cannot write Desktop Entry at %1</source>
         <translation>Невозможно записать Desktop Entry в %1</translation>
     </message>
 </context>
@@ -1118,26 +1118,26 @@
         <translation>ровно 2</translation>
     </message>
     <message>
-        <source>Could not create link from %1 to %2.</source>
+        <source>Cannot create link from %1 to %2.</source>
         <translation>Не удалось создать ссылку с %1 на %2.</translation>
     </message>
     <message>
-        <source>Could not remove link from %1 to %2.</source>
+        <source>Cannot remove link from %1 to %2.</source>
         <translation>Не удалось создать ссылку с %1 на %2.</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::CreateLocalRepositoryOperation</name>
     <message>
-        <source>Could not set file permissions %1!</source>
+        <source>Cannot set file permissions %1!</source>
         <translation>Невозможно установить права доступа для файла %1!</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>Не удалось удалить файл %1: %2</translation>
     </message>
     <message>
-        <source>Could not move file %1 to %2. Error: %3</source>
+        <source>Cannot move file %1 to %2. Error: %3</source>
         <translation>Невозможно переместить файл %1 в %2. Ошибка: %3</translation>
     </message>
     <message>
@@ -1153,19 +1153,19 @@
         <translation>Необходима офлайновая версия программы установки: %1.</translation>
     </message>
     <message>
-        <source>Could not open file: %1</source>
+        <source>Cannot open file: %1</source>
         <translation>Невозможно открыть файл: %1</translation>
     </message>
     <message>
-        <source>Could not read: %1. Error: %2</source>
+        <source>Cannot read: %1. Error: %2</source>
         <translation>Невозможно прочитать: %1. Ошибка: %2</translation>
     </message>
     <message>
-        <source>Could not open file: %1. Error: %2</source>
+        <source>Cannot open file: %1. Error: %2</source>
         <translation>Невозможно открыть файл: %1. Ошибка: %2</translation>
     </message>
     <message>
-        <source>Could not create target dir: %1.</source>
+        <source>Cannot create target dir: %1.</source>
         <translation>Невозможно создать каталог назначения: %1.</translation>
     </message>
     <message>
@@ -1177,7 +1177,7 @@
         <translation>Удаление файла: %0</translation>
     </message>
     <message>
-        <source>Could not remove %0.</source>
+        <source>Cannot remove %0.</source>
         <translation>Невозможно удалить %0.</translation>
     </message>
     <message>
@@ -1200,7 +1200,7 @@
         <translation> (необязательно: &apos;workingDirectory=...&apos;, &apos;iconPath=...&apos;, &apos;iconId=...&apos;)</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2.</source>
+        <source>Cannot create folder %1: %2.</source>
         <translation>Не удалось создать каталог: %1: %2.</translation>
     </message>
     <message>
@@ -1208,7 +1208,7 @@
         <translation>Не удалось перезаписать %1: %2</translation>
     </message>
     <message>
-        <source>Could not create link %1: %2</source>
+        <source>Cannot create link %1: %2</source>
         <translation>Не удалось создать ссылку %1: %2</translation>
     </message>
 </context>
@@ -1231,15 +1231,15 @@
         <translation>Не удалось проверить целостность хеша в процессе загрузки. Пожалуйста, повторите операцию.</translation>
     </message>
     <message>
-        <source>Could not verify Hash</source>
+        <source>Cannot verify Hash</source>
         <translation>Невозможно проверить хеш</translation>
     </message>
     <message>
-        <source>Could not download archive: %1 : %2</source>
+        <source>Cannot download archive: %1 : %2</source>
         <translation>Невозможно загрузить архив: %1: %2</translation>
     </message>
     <message>
-        <source>Could not fetch archives: %1
+        <source>Cannot fetch archives: %1
 Error while loading %2</source>
         <translation>Невозможно получить архивы :%1
 Ошибка в процессе загрузки %2</translation>
@@ -1253,7 +1253,7 @@ Error while loading %2</source>
         <translation>Схема не поддерживается: %1 (%2)</translation>
     </message>
     <message>
-        <source>Could not find component for: %1.</source>
+        <source>Cannot find component for: %1.</source>
         <translation>Невозможно найти компонент для: %1.</translation>
     </message>
 </context>
@@ -1301,7 +1301,7 @@ Error while loading %2</source>
         <translation>«%1» уже существует, но не является файлом.</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <extracomment>%2 is a sentence describing the error</extracomment>
         <translation>Не удалось открыть «%1» для записи. Ошибка: %2.</translation>
     </message>
@@ -1317,11 +1317,11 @@ Error while loading %2</source>
         <translation>по крайней мере 1</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start detached: &quot;%1&quot;</source>
+        <source>Execution failed: Cannot start detached: &quot;%1&quot;</source>
         <translation>Не удалось выполнить: невозможно запустить фоновый процесс: «%1»</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start: &quot;%1&quot;(%2)</source>
+        <source>Execution failed: Cannot start: &quot;%1&quot;(%2)</source>
         <translation>Не удалось исполнить: невозможно запустить: «%1»(%2)</translation>
     </message>
     <message>
@@ -1358,7 +1358,7 @@ Error while loading %2</source>
 <context>
     <name>QInstaller::ExtractArchiveOperation::Runnable</name>
     <message>
-        <source>Could not open %1 for reading: %2.</source>
+        <source>Cannot open %1 for reading: %2.</source>
         <translation>Невозможно открыть файл %1 на чтение: %2.</translation>
     </message>
     <message>
@@ -1377,7 +1377,7 @@ Error while loading %2</source>
         <translation>Количество аргументов не совпадает: требуется 1</translation>
     </message>
     <message>
-        <source>Could not get package manager core.</source>
+        <source>Cannot get package manager core.</source>
         <translation>Невозможно получить ядро менеджера пакетов.</translation>
     </message>
     <message>
@@ -1509,7 +1509,7 @@ Error while loading %2</source>
         <translation>Недопустимый параметр: исходный каталог не может быть пустым.</translation>
     </message>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>Не удалось создать резервную копию файла %1: %2</translation>
     </message>
     <message>
@@ -1521,7 +1521,7 @@ Error while loading %2</source>
         <translation>Не удалось скопировать %1: %2</translation>
     </message>
     <message>
-        <source>Could not create folder at %1: %2</source>
+        <source>Cannot create folder at %1: %2</source>
         <translation>Не удалось создать каталог в %1: %2</translation>
     </message>
 </context>
@@ -1698,7 +1698,7 @@ Error while loading %2</source>
         <translation>В процессе извлечения %1 возникло неизвестное исключение.</translation>
     </message>
     <message>
-        <source>Could not open %1 for reading. Error: %2</source>
+        <source>Cannot open %1 for reading. Error: %2</source>
         <translation>Невозможно открыть файл %1 на чтение: %2</translation>
     </message>
 </context>
@@ -1786,7 +1786,7 @@ Downloading packages...</source>
         <translation>Ошибка форматирования</translation>
     </message>
     <message>
-        <source>Could not write installer configuration to %1: %2</source>
+        <source>Cannot write installer configuration to %1: %2</source>
         <translation>Невозможно записать файл конфигурации программы установки в %1: %2</translation>
     </message>
     <message>
@@ -1870,19 +1870,19 @@ Update aborted!</source>
         <translation>Maintenance Tool не является пакетом</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool data to %1: %2</source>
+        <source>Cannot write maintenance tool data to %1: %2</source>
         <translation>Не удалось записать данные Maintenance Tool в %1: %2</translation>
     </message>
     <message>
-        <source>Could not remove data file &apos;%1&apos;: %2</source>
+        <source>Cannot remove data file &apos;%1&apos;: %2</source>
         <translation>Не удалось удалить файл данных «%1»: %2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool to %1: %2</source>
+        <source>Cannot write maintenance tool to %1: %2</source>
         <translation>Не удалось записать Maintenance Tool в %1: %2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool binary data to %1: %2</source>
+        <source>Cannot write maintenance tool binary data to %1: %2</source>
         <translation>Не удалось записать двоичные данные Maintenance Tool в %1: %2</translation>
     </message>
     <message>
@@ -1931,7 +1931,7 @@ Installing component %1</source>
         <translation>Неизвестная ошибка</translation>
     </message>
     <message>
-        <source>Could not retrieve remote tree: %1.</source>
+        <source>Cannot retrieve remote tree: %1.</source>
         <translation>Невозможно загрузить удалённую структуру: %1.</translation>
     </message>
     <message>
@@ -1939,15 +1939,15 @@ Installing component %1</source>
         <translation>Не удалось прочитать пакеты из: %1.</translation>
     </message>
     <message>
-        <source>Could not retrieve meta information: %1</source>
+        <source>Cannot retrieve meta information: %1</source>
         <translation>Невозможно загрузить метаданные: %1</translation>
     </message>
     <message>
-        <source>Could not add temporary update source information.</source>
+        <source>Cannot add temporary update source information.</source>
         <translation>Невозможно добавить информацию о временном сервере обновления.</translation>
     </message>
     <message>
-        <source>Could not find any update source information.</source>
+        <source>Cannot find any update source information.</source>
         <translation>Невозможно найти информацию об источниках обновления.</translation>
     </message>
     <message>
@@ -2161,14 +2161,14 @@ Please copy the installer to a local drive</source>
 <context>
     <name>QInstaller::RemoteObject</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>Не удалось прочитать все данные после отправки команды: %1. Ожидалось байт: %2; получено байт: %3. Ошибка: %4</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::RemoteServerConnection</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>Не удалось прочитать все данные после отправки команды: %1. Ожидалось байт: %2; получено байт: %3. Ошибка: %4</translation>
     </message>
 </context>
@@ -2194,7 +2194,7 @@ Please copy the installer to a local drive</source>
 <context>
     <name>QInstaller::Resource</name>
     <message>
-        <source>Could not open Resource &apos;%1&apos; read-only.</source>
+        <source>Cannot open Resource &apos;%1&apos; read-only.</source>
         <translation>Не удалось открыть на чтение ресурс «%1».</translation>
     </message>
     <message>
@@ -2216,7 +2216,7 @@ Please copy the installer to a local drive</source>
 <context>
     <name>QInstaller::ScriptEngine</name>
     <message>
-        <source>Could not open the requested script file at %1: %2.</source>
+        <source>Cannot open the requested script file at %1: %2.</source>
         <translation>Не удалось открыть файл сценария %1: %2.</translation>
     </message>
     <message>
@@ -2413,7 +2413,7 @@ Do you want to continue?</source>
         <translation>Таймаут во время теста «%1»</translation>
     </message>
     <message>
-        <source>Could not parse Updates.xml! Error: %1.</source>
+        <source>Cannot parse Updates.xml! Error: %1.</source>
         <translation>Невозможно разобрать Updates.xml! Ошибка: %1.</translation>
     </message>
     <message>
@@ -2459,7 +2459,7 @@ Do you want to continue?</source>
         <translation>Первым элементом должен быть «linux», «mac» или «windows». Другие типы в настоящий момент не поддерживаются.</translation>
     </message>
     <message>
-        <source>Could not find the needed QmakeOutputInstallerKey(%1) value on the installer object. The ConsumeOutput operation on the valid qmake needs to be called first.</source>
+        <source>Cannot find the needed QmakeOutputInstallerKey(%1) value on the installer object. The ConsumeOutput operation on the valid qmake needs to be called first.</source>
         <translation>Не удалось найти значение QmakeOutputInstallerKey(%1) в объекте установщика. Сначала должна быть выполнена операция ConsumeOutput для рабочего qmake&apos;а.</translation>
     </message>
     <message>
@@ -2503,11 +2503,11 @@ Sometimes it helps to restart the installer with a switched off antivirus softwa
 <context>
     <name>RemoteClient</name>
     <message>
-        <source>Could not get authorization.</source>
+        <source>Cannot get authorization.</source>
         <translation>Не удалось авторизоваться.</translation>
     </message>
     <message>
-        <source>Could not get authorization that is needed for continuing the installation.
+        <source>Cannot get authorization that is needed for continuing the installation.
  Either abort the installation or use the fallback solution by running
 
 %1
@@ -2522,14 +2522,14 @@ as root and then clicking OK.</source>
 <context>
     <name>ResourceCollectionManager</name>
     <message>
-        <source>Could not open resource %1: %2</source>
+        <source>Cannot open resource %1: %2</source>
         <translation>Не удалось открыть ресурс %1: %2</translation>
     </message>
 </context>
 <context>
     <name>Settings</name>
     <message>
-        <source>Could not open settings file %1 for reading: %2</source>
+        <source>Cannot open settings file %1 for reading: %2</source>
         <translation>Невозможно открыть файл настроек %1 на чтение: %2</translation>
     </message>
 </context>
@@ -2659,7 +2659,7 @@ as root and then clicking OK.</source>
         <translation>Невозможно записать ключ %1 в реестр</translation>
     </message>
     <message>
-        <source>Could not write to registry path %1</source>
+        <source>Cannot write to registry path %1</source>
         <translation>Не удалось записать ключ %1 в реестр</translation>
     </message>
     <message>
diff --git a/src/sdk/translations/zh_cn.ts b/src/sdk/translations/zh_cn.ts
index 95c262fc6..f3f4d0565 100644
--- a/src/sdk/translations/zh_cn.ts
+++ b/src/sdk/translations/zh_cn.ts
@@ -15,26 +15,26 @@
 <context>
     <name>BinaryContent</name>
     <message>
-        <source>Could not seek to %1 to read the operation data.</source>
+        <source>Cannot seek to %1 to read the operation data.</source>
         <translation>无法找到 %1 以读取操作数据。</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection block.</source>
+        <source>Cannot seek to %1 to read the resource collection block.</source>
         <translation>无法找到 %1 以读取资源集合块。</translation>
     </message>
     <message>
-        <source>Could not open meta resource. Error: %1</source>
+        <source>Cannot open meta resource. Error: %1</source>
         <translation>无法打开元资源。错误：%1</translation>
     </message>
 </context>
 <context>
     <name>BinaryLayout</name>
     <message>
-        <source>Could not seek to %1 to read the embedded meta data count.</source>
+        <source>Cannot seek to %1 to read the embedded meta data count.</source>
         <translation>无法找到 %1 以读取嵌入元信息数据总量。</translation>
     </message>
     <message>
-        <source>Could not seek to %1 to read the resource collection segment.</source>
+        <source>Cannot seek to %1 to read the resource collection segment.</source>
         <translation>无法找到 %1 以读取资源集片段。</translation>
     </message>
     <message>
@@ -72,34 +72,34 @@
         <translation>路径存在，但不是文件夹：%1</translation>
     </message>
     <message>
-        <source>Could not create folder: %1</source>
+        <source>Cannot create folder: %1</source>
         <translation>无法创建文件夹：%1</translation>
     </message>
 </context>
 <context>
     <name>ExtractCallbackImpl</name>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>无法获取存档项目 %1 的路径</translation>
     </message>
     <message>
-        <source>Could not remove already existing symlink. %1</source>
+        <source>Cannot remove already existing symlink. %1</source>
         <translation>无法删除已经存在的符号链接。%1</translation>
     </message>
     <message>
-        <source>Could not open file: %1 (%2)</source>
+        <source>Cannot open file: %1 (%2)</source>
         <translation>无法打开文件：%1 (%2)</translation>
     </message>
     <message>
-        <source>Could not create symlink at &apos;%1&apos;. Another one is already existing.</source>
+        <source>Cannot create symlink at &apos;%1&apos;. Another one is already existing.</source>
         <translation>无法在“%1”创建符号链接。另一个符号链接已经存在。</translation>
     </message>
     <message>
-        <source>Could not read symlink target from file &apos;%1&apos;.</source>
+        <source>Cannot read symlink target from file &apos;%1&apos;.</source>
         <translation>无法从文件“%1”中读取符号链接目标。</translation>
     </message>
     <message>
-        <source>Could not create symlink at %1. %2</source>
+        <source>Cannot create symlink at %1. %2</source>
         <translation>无法在 %1 创建符号链接。%2</translation>
     </message>
 </context>
@@ -140,19 +140,19 @@
 <context>
     <name>KDLockFile</name>
     <message>
-        <source>Could not create lock file &apos;%1&apos;: %2</source>
+        <source>Cannot create lock file &apos;%1&apos;: %2</source>
         <translation>无法创建锁文件“%1”：%2</translation>
     </message>
     <message>
-        <source>Could not write PID to lock file &apos;%1&apos;: %2</source>
+        <source>Cannot write PID to lock file &apos;%1&apos;: %2</source>
         <translation>无法将 PID 写入锁文件“%1”：%2</translation>
     </message>
     <message>
-        <source>Could not obtain the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot obtain the lock for file &apos;%1&apos;: %2</source>
         <translation>无法为文件“%1”获取锁：“%2”</translation>
     </message>
     <message>
-        <source>Could not release the lock for file &apos;%1&apos;: %2</source>
+        <source>Cannot release the lock for file &apos;%1&apos;: %2</source>
         <translation>无法为文件“%1”释放锁：%2</translation>
     </message>
 </context>
@@ -167,11 +167,11 @@
         <translation>无法找到 %1 的备份文件。</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1.</source>
+        <source>Cannot restore backup file for %1.</source>
         <translation>无法恢复 %1 的备份文件。</translation>
     </message>
     <message>
-        <source>Could not restore backup file for %1: %2</source>
+        <source>Cannot restore backup file for %1: %2</source>
         <translation>无法恢复 %1 的备份文件:%2</translation>
     </message>
     <message>
@@ -183,14 +183,14 @@
         <translation>恰好 2 个</translation>
     </message>
     <message>
-        <source>Could not open file &apos;%1&apos; for writing: %2</source>
+        <source>Cannot open file &apos;%1&apos; for writing: %2</source>
         <translation>无法打开文件“%1”进行写入：%2</translation>
     </message>
 </context>
 <context>
     <name>KDUpdater::CopyOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>无法备份文件 %1。</translation>
     </message>
     <message>
@@ -198,23 +198,23 @@
         <translation>参数无效：已给定 %1 个参数，应为 2 个。</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>无法删除目标文件 %1：%2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>无法将 %1 复制到 %2：%3</translation>
     </message>
     <message>
-        <source>Could not delete file %1: %2</source>
+        <source>Cannot delete file %1: %2</source>
         <translation>无法删除文件 %1：%2</translation>
     </message>
     <message>
-        <source>Could not restore backup file into %1: %2</source>
+        <source>Cannot restore backup file into %1: %2</source>
         <translation>无法将备份文件恢复到 %1 中：%2</translation>
     </message>
     <message>
-        <source>Could not copy a non-existent file: %1</source>
+        <source>Cannot copy a non-existent file: %1</source>
         <translation>无法复制不存在的文件：%1</translation>
     </message>
 </context>
@@ -299,7 +299,7 @@
         <translation>无法下载 %1：写入文件“%2”失败：%3</translation>
     </message>
     <message>
-        <source>Cannot download %1: Could not create %2: %3</source>
+        <source>Cannot download %1: Cannot create %2: %3</source>
         <translation>无法下载 %1：无法创建 %2:%3</translation>
     </message>
     <message>
@@ -353,7 +353,7 @@
         <translation>参数无效：已给定 %1 个参数，应为 1 个。</translation>
     </message>
     <message>
-        <source>Could not create folder %1: Unknown error.</source>
+        <source>Cannot create folder %1: Unknown error.</source>
         <translation>无法创建文件夹 %1：未知错误。</translation>
     </message>
     <message>
@@ -364,7 +364,7 @@
 <context>
     <name>KDUpdater::MoveOperation</name>
     <message>
-        <source>Could not backup file %1.</source>
+        <source>Cannot backup file %1.</source>
         <translation>无法备份文件 %1。</translation>
     </message>
     <message>
@@ -372,11 +372,11 @@
         <translation>参数无效：已给定 %1 个参数，应为 2 个。</translation>
     </message>
     <message>
-        <source>Could not remove destination file %1: %2</source>
+        <source>Cannot remove destination file %1: %2</source>
         <translation>无法删除目标文件 %1：%2</translation>
     </message>
     <message>
-        <source>Could not copy %1 to %2: %3</source>
+        <source>Cannot copy %1 to %2: %3</source>
         <translation>无法将 %1 复制到 %2：%3</translation>
     </message>
     <message>
@@ -403,7 +403,7 @@
         <translation>文件 %1 不存在。</translation>
     </message>
     <message>
-        <source>Could not open %1.</source>
+        <source>Cannot open %1.</source>
         <translation>无法打开 %1。</translation>
     </message>
     <message>
@@ -426,11 +426,11 @@
         <translation>参数无效：已给定 %1 个参数，应为 2 个。</translation>
     </message>
     <message>
-        <source>Could not open file %1 for reading: %2</source>
+        <source>Cannot open file %1 for reading: %2</source>
         <translation>无法打开文件 %1 进行读取：%2</translation>
     </message>
     <message>
-        <source>Could not open file %1 for writing: %2</source>
+        <source>Cannot open file %1 for writing: %2</source>
         <translation>无法打开文件 %1 进行写入：%2</translation>
     </message>
     <message>
@@ -449,7 +449,7 @@
 <context>
     <name>KDUpdater::ResourceFileDownloader</name>
     <message>
-        <source>Could not read resource file &quot;%1&quot;. Reason:</source>
+        <source>Cannot read resource file &quot;%1&quot;. Reason:</source>
         <translation>无法读取源文件“%1”。原因：</translation>
     </message>
 </context>
@@ -460,11 +460,11 @@
         <translation>参数无效：已给定 %1 个参数，应为 1 个。</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: The folder does not exist.</source>
+        <source>Cannot remove folder %1: The folder does not exist.</source>
         <translation>无法删除文件夹 %1：该文件夹不存在。</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>无法删除文件夹 %1：%2</translation>
     </message>
     <message>
@@ -506,11 +506,11 @@
 <context>
     <name>KDUpdater::UpdateFinder</name>
     <message>
-        <source>Could not access the package information of this application.</source>
+        <source>Cannot access the package information of this application.</source>
         <translation>无法访问此应用程序的包信息。</translation>
     </message>
     <message>
-        <source>Could not access the update sources information of this application.</source>
+        <source>Cannot access the update sources information of this application.</source>
         <translation>无法访问此应用程序的更新源信息。</translation>
     </message>
     <message>
@@ -536,7 +536,7 @@
         </translation>
     </message>
     <message>
-        <source>Could not download update source %1 from (&apos;%2&apos;)</source>
+        <source>Cannot download update source %1 from (&apos;%2&apos;)</source>
         <translation>无法从（“%2”）下载更新资源 %1</translation>
     </message>
 </context>
@@ -547,7 +547,7 @@
         <translation>%1 包含无效的内容：%2</translation>
     </message>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>无法读取“%1”</translation>
     </message>
     <message>
@@ -559,7 +559,7 @@
         <translation>根元素 %1 与预期不符，应为“更新源”</translation>
     </message>
     <message>
-        <source>Could not save changes to &quot;%1&quot;: %2</source>
+        <source>Cannot save changes to &quot;%1&quot;: %2</source>
         <translation>无法将更改保存到“%1”：%2</translation>
     </message>
 </context>
@@ -570,7 +570,7 @@
         <translation>Updates.xml 包含无效的内容：%1</translation>
     </message>
     <message>
-        <source>Could not read &quot;%1&quot;</source>
+        <source>Cannot read &quot;%1&quot;</source>
         <translation>无法读取“%1”</translation>
     </message>
     <message>
@@ -605,11 +605,11 @@
 <context>
     <name>Lib7z</name>
     <message>
-        <source>Could not retrieve number of items in archive</source>
+        <source>Cannot retrieve number of items in archive</source>
         <translation>无法检索存档中的项目数量</translation>
     </message>
     <message>
-        <source>Could not retrieve path of archive item %1</source>
+        <source>Cannot retrieve path of archive item %1</source>
         <translation>无法获取存档项目 %1 的路径</translation>
     </message>
     <message>
@@ -629,15 +629,15 @@
         <translation>错误：%1</translation>
     </message>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>无法加载解码器</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>无法检索默认格式</translation>
     </message>
     <message>
-        <source>Could not create archive %1. %2</source>
+        <source>Cannot create archive %1. %2</source>
         <translation>无法创建存档 %1。%2</translation>
     </message>
     <message>
@@ -649,14 +649,14 @@
         <translation>项目索引 %1 超出 [0, %2] 的范围</translation>
     </message>
     <message>
-        <source>Could not create output file for writing: %1</source>
+        <source>Cannot create output file for writing: %1</source>
         <translation>无法创建输出文件进行写入：%1</translation>
     </message>
 </context>
 <context>
     <name>Lib7z::ExtractItemJob</name>
     <message>
-        <source>Could not list archive: QIODevice not set or already destroyed.</source>
+        <source>Cannot list archive: QIODevice not set or already destroyed.</source>
         <translation>无法列出存档：QIODevice 尚未设置或已损坏。</translation>
     </message>
     <message>
@@ -675,7 +675,7 @@
 <context>
     <name>Lib7z::ListArchiveJob</name>
     <message>
-        <source>Could not list archive: QIODevice already destroyed.</source>
+        <source>Cannot list archive: QIODevice already destroyed.</source>
         <translation>无法列出存档：QIODevice 已损坏。</translation>
     </message>
     <message>
@@ -690,15 +690,15 @@
 <context>
     <name>OpenArchiveInfo</name>
     <message>
-        <source>Could not load codecs</source>
+        <source>Cannot load codecs</source>
         <translation>无法加载解码器</translation>
     </message>
     <message>
-        <source>Could not retrieve default format</source>
+        <source>Cannot retrieve default format</source>
         <translation>无法检索默认格式</translation>
     </message>
     <message>
-        <source>Could not open archive</source>
+        <source>Cannot open archive</source>
         <translation>无法打开存档</translation>
     </message>
     <message>
@@ -777,43 +777,43 @@
         <translation>YB</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>无法删除文件 %1：%2</translation>
     </message>
     <message>
-        <source>Could not remove folder %1: %2</source>
+        <source>Cannot remove folder %1: %2</source>
         <translation>无法删除文件夹 %1：%2</translation>
     </message>
     <message>
-        <source>Could not create folder %1</source>
+        <source>Cannot create folder %1</source>
         <translation>无法创建文件夹 %1</translation>
     </message>
     <message>
-        <source>Could not copy file from %1 to %2: %3</source>
+        <source>Cannot copy file from %1 to %2: %3</source>
         <translation>无法将文件从 %1 复制到 %2：%3</translation>
     </message>
     <message>
-        <source>Could not move file from %1 to %2: %3</source>
+        <source>Cannot move file from %1 to %2: %3</source>
         <translation>无法将文件从 %1 移动到 %2：%3</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2</source>
+        <source>Cannot create folder %1: %2</source>
         <translation>无法创建文件夹 %1：%2</translation>
     </message>
     <message>
-        <source>Could not open temporary file: %1</source>
+        <source>Cannot open temporary file: %1</source>
         <translation>无法打开临时文件：%1</translation>
     </message>
     <message>
-        <source>Could not open temporary file for template %1: %2</source>
+        <source>Cannot open temporary file for template %1: %2</source>
         <translation>无法打开模板 %1 的临时文件：%2</translation>
     </message>
     <message>
-        <source>Could not create temporary file</source>
+        <source>Cannot create temporary file</source>
         <translation>无法创建临时文件</translation>
     </message>
     <message>
-        <source>Could not retrieve property %1 for item %2</source>
+        <source>Cannot retrieve property %1 for item %2</source>
         <translation>无法检索 %2 项目的 %1 属性</translation>
     </message>
     <message>
@@ -821,11 +821,11 @@
         <translation>%2 项目的 %1 属性不属于 VT_FILETIME 类型，而是 %3</translation>
     </message>
     <message>
-        <source>Could not convert file time to local time</source>
+        <source>Cannot convert file time to local time</source>
         <translation>无法将文件时间转换为本地时间</translation>
     </message>
     <message>
-        <source>Could not convert local file time to system time</source>
+        <source>Cannot convert local file time to system time</source>
         <translation>无法将本地文件时间转换为系统时间</translation>
     </message>
     <message>
@@ -860,19 +860,19 @@
         <translation>在升级模式下组件无法含有子组件。</translation>
     </message>
     <message>
-        <source>Could not open the requested translation file &apos;%1&apos;.</source>
+        <source>Cannot open the requested translation file &apos;%1&apos;.</source>
         <translation>无法打开请求的翻译文件“%1”。</translation>
     </message>
     <message>
-        <source>Could not open the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>无法打开请求的UI文件“%1”。错误：%2</translation>
     </message>
     <message>
-        <source>Could not load the requested UI file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot load the requested UI file &apos;%1&apos;. Error: %2</source>
         <translation>无法加载请求的UI文件“%1”。错误：%2</translation>
     </message>
     <message>
-        <source>Could not open the requested license file &apos;%1&apos;. Error: %2</source>
+        <source>Cannot open the requested license file &apos;%1&apos;. Error: %2</source>
         <translation>无法打开请求的许可文件“%1”。错误：%2</translation>
     </message>
     <message>
@@ -1036,7 +1036,7 @@
         <translation>%0 中存在无效的参数:目录无效：%1 %2</translation>
     </message>
     <message>
-        <source>Could not create %0</source>
+        <source>Cannot create %0</source>
         <translation>无法创建 %0</translation>
     </message>
     <message>
@@ -1044,11 +1044,11 @@
         <translation>覆盖 %1 失败</translation>
     </message>
     <message>
-        <source>Could not copy %0 to %1, error was: %3</source>
+        <source>Cannot copy %0 to %1, error was: %3</source>
         <translation>无法将 %0 复制到 %1，错误为：%3</translation>
     </message>
     <message>
-        <source>Could not remove %0</source>
+        <source>Cannot remove %0</source>
         <translation>无法删除 %0</translation>
     </message>
 </context>
@@ -1059,11 +1059,11 @@
         <translation>无效的任务项总数。</translation>
     </message>
     <message>
-        <source>Could not open source &apos;%1&apos; for read. Error: %2.</source>
+        <source>Cannot open source &apos;%1&apos; for read. Error: %2.</source>
         <translation>无法打开文件“%1”进行读取。错误：%2。</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <translation>无法打开目标“%1”进行写入。错误：%2。</translation>
     </message>
     <message>
@@ -1086,11 +1086,11 @@
         <translation>覆盖 %1 失败</translation>
     </message>
     <message>
-        <source>Could not write Desktop Entry at %1</source>
+        <source>Cannot write Desktop Entry at %1</source>
         <translation>无法写入位于 %1 的桌面条目</translation>
     </message>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>无法备份文件 %1: %2</translation>
     </message>
 </context>
@@ -1105,22 +1105,22 @@
         <translation>恰好 2 个</translation>
     </message>
     <message>
-        <source>Could not create link from %1 to %2.</source>
+        <source>Cannot create link from %1 to %2.</source>
         <translation>无法创建从 %1 到 %2 的链接。</translation>
     </message>
     <message>
-        <source>Could not remove link from %1 to %2.</source>
+        <source>Cannot remove link from %1 to %2.</source>
         <translation>无法删除从 %1 到 %2 的链接。</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::CreateLocalRepositoryOperation</name>
     <message>
-        <source>Could not set file permissions %1!</source>
+        <source>Cannot set file permissions %1!</source>
         <translation>无法设置文件权限 %1!</translation>
     </message>
     <message>
-        <source>Could not move file %1 to %2. Error: %3</source>
+        <source>Cannot move file %1 to %2. Error: %3</source>
         <translation>无法将文件 %1 移动到 %2。错误：%3</translation>
     </message>
     <message>
@@ -1136,19 +1136,19 @@
         <translation>安装程序必须为离线版本：%1.</translation>
     </message>
     <message>
-        <source>Could not open file: %1</source>
+        <source>Cannot open file: %1</source>
         <translation>无法打开文件：%1</translation>
     </message>
     <message>
-        <source>Could not read: %1. Error: %2</source>
+        <source>Cannot read: %1. Error: %2</source>
         <translation>无法读取：%1.错误：%2</translation>
     </message>
     <message>
-        <source>Could not open file: %1. Error: %2</source>
+        <source>Cannot open file: %1. Error: %2</source>
         <translation>无法打开文件：%1.错误：%2</translation>
     </message>
     <message>
-        <source>Could not create target dir: %1.</source>
+        <source>Cannot create target dir: %1.</source>
         <translation>无法创建目标目录：%1.</translation>
     </message>
     <message>
@@ -1160,7 +1160,7 @@
         <translation>正在删除文件：%0</translation>
     </message>
     <message>
-        <source>Could not remove %0.</source>
+        <source>Cannot remove %0.</source>
         <translation>无法删除 %0。</translation>
     </message>
     <message>
@@ -1168,7 +1168,7 @@
         <translation>无法删除目录 %1：%2</translation>
     </message>
     <message>
-        <source>Could not remove file %1: %2</source>
+        <source>Cannot remove file %1: %2</source>
         <translation>无法删除文件 %1：%2</translation>
     </message>
 </context>
@@ -1183,11 +1183,11 @@
         <translation>2 或 3 个</translation>
     </message>
     <message>
-        <source>Could not create folder %1: %2.</source>
+        <source>Cannot create folder %1: %2.</source>
         <translation>无法创建文件夹 %1：%2.</translation>
     </message>
     <message>
-        <source>Could not create link %1: %2</source>
+        <source>Cannot create link %1: %2</source>
         <translation>无法创建链接 %1：%2</translation>
     </message>
     <message>
@@ -1218,15 +1218,15 @@
         <translation>下载时的散列验证失败。这是一个临时错误，请重试。</translation>
     </message>
     <message>
-        <source>Could not verify Hash</source>
+        <source>Cannot verify Hash</source>
         <translation>无法验证散列</translation>
     </message>
     <message>
-        <source>Could not download archive: %1 : %2</source>
+        <source>Cannot download archive: %1 : %2</source>
         <translation>无法下载存档：%1：%2</translation>
     </message>
     <message>
-        <source>Could not fetch archives: %1
+        <source>Cannot fetch archives: %1
 Error while loading %2</source>
         <translation>无法提取存档：%1
 加载 %2 时出现错误</translation>
@@ -1236,7 +1236,7 @@ Error while loading %2</source>
         <translation>不支持的方案：%1 (%2)</translation>
     </message>
     <message>
-        <source>Could not find component for: %1.</source>
+        <source>Cannot find component for: %1.</source>
         <translation>无法下载以下项目的组件：%1.</translation>
     </message>
     <message>
@@ -1288,7 +1288,7 @@ Error while loading %2</source>
         <translation>目标文件“%1”已存在，但它不是一个文件。</translation>
     </message>
     <message>
-        <source>Could not open target &apos;%1&apos; for write. Error: %2.</source>
+        <source>Cannot open target &apos;%1&apos; for write. Error: %2.</source>
         <extracomment>%2 is a sentence describing the error</extracomment>
         <translation>无法打开目标“%1”以进行写入。错误：%2。</translation>
     </message>
@@ -1304,7 +1304,7 @@ Error while loading %2</source>
         <translation>至少 1 个</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start detached: &quot;%1&quot;</source>
+        <source>Execution failed: Cannot start detached: &quot;%1&quot;</source>
         <translation>执行失败：无法开始分离：“%1”</translation>
     </message>
     <message>
@@ -1316,7 +1316,7 @@ Error while loading %2</source>
         <translation>执行失败(意外退出代码：%1)：“%2”</translation>
     </message>
     <message>
-        <source>Execution failed: Could not start: &quot;%1&quot;(%2)</source>
+        <source>Execution failed: Cannot start: &quot;%1&quot;(%2)</source>
         <translation>执行失败：无法启动：“%1”（%2）</translation>
     </message>
 </context>
@@ -1345,7 +1345,7 @@ Error while loading %2</source>
 <context>
     <name>QInstaller::ExtractArchiveOperation::Runnable</name>
     <message>
-        <source>Could not open %1 for reading: %2.</source>
+        <source>Cannot open %1 for reading: %2.</source>
         <translation>无法打开 %1 进行读取：%2.</translation>
     </message>
     <message>
@@ -1364,7 +1364,7 @@ Error while loading %2</source>
         <translation>参数数量不匹配：需要一个</translation>
     </message>
     <message>
-        <source>Could not get package manager core.</source>
+        <source>Cannot get package manager core.</source>
         <translation>无法获得包管理器内核。</translation>
     </message>
     <message>
@@ -1488,7 +1488,7 @@ Error while loading %2</source>
         <translation>参数无效：源文件夹不得为空。</translation>
     </message>
     <message>
-        <source>Could not backup file %1: %2</source>
+        <source>Cannot backup file %1: %2</source>
         <translation>无法备份文件 %1：%2</translation>
     </message>
     <message>
@@ -1500,7 +1500,7 @@ Error while loading %2</source>
         <translation>复制文件 %1 失败：%2</translation>
     </message>
     <message>
-        <source>Could not create folder at %1: %2</source>
+        <source>Cannot create folder at %1: %2</source>
         <translation>无法在 %1 创建文件夹：%2</translation>
     </message>
 </context>
@@ -1677,7 +1677,7 @@ Error while loading %2</source>
         <translation>提取 %1 时捕获未知异常。</translation>
     </message>
     <message>
-        <source>Could not open %1 for reading. Error: %2</source>
+        <source>Cannot open %1 for reading. Error: %2</source>
         <translation>无法打开 %1 读取。错误：%2</translation>
     </message>
 </context>
@@ -1765,7 +1765,7 @@ Downloading packages...</source>
         <translation>格式错误</translation>
     </message>
     <message>
-        <source>Could not write installer configuration to %1: %2</source>
+        <source>Cannot write installer configuration to %1: %2</source>
         <translation>无法将安装程序配置写入 %1：%2</translation>
     </message>
     <message>
@@ -1867,7 +1867,7 @@ Installing component %1</source>
         <translation>未知错误</translation>
     </message>
     <message>
-        <source>Could not retrieve remote tree: %1.</source>
+        <source>Cannot retrieve remote tree: %1.</source>
         <translation>无法检索远程树：%1.</translation>
     </message>
     <message>
@@ -1875,15 +1875,15 @@ Installing component %1</source>
         <translation>未能从以下位置读取包：%1.</translation>
     </message>
     <message>
-        <source>Could not retrieve meta information: %1</source>
+        <source>Cannot retrieve meta information: %1</source>
         <translation>无法检索元信息：%1</translation>
     </message>
     <message>
-        <source>Could not add temporary update source information.</source>
+        <source>Cannot add temporary update source information.</source>
         <translation>无法添加临时更新源信息。</translation>
     </message>
     <message>
-        <source>Could not find any update source information.</source>
+        <source>Cannot find any update source information.</source>
         <translation>无法找到任何更新源信息。</translation>
     </message>
     <message>
@@ -1903,19 +1903,19 @@ Installing component %1</source>
         <translation>维护工具不是捆绑套件</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool data to %1: %2</source>
+        <source>Cannot write maintenance tool data to %1: %2</source>
         <translation>无法将维护工具数据写入到 %1：%2</translation>
     </message>
     <message>
-        <source>Could not remove data file &apos;%1&apos;: %2</source>
+        <source>Cannot remove data file &apos;%1&apos;: %2</source>
         <translation>无法删除数据文件“%1”：%2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool to %1: %2</source>
+        <source>Cannot write maintenance tool to %1: %2</source>
         <translation>无法将维护工具写入到 %1：%2</translation>
     </message>
     <message>
-        <source>Could not write maintenance tool binary data to %1: %2</source>
+        <source>Cannot write maintenance tool binary data to %1: %2</source>
         <translation>无法将维护工具二进制数据写入 %1：%2</translation>
     </message>
     <message>
@@ -2142,14 +2142,14 @@ Please copy the installer to a local drive</source>
 <context>
     <name>QInstaller::RemoteObject</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>发送命令： %1 后无法读取所有数据。 期望： %2字节， 收到： %3字节。 错误： %4</translation>
     </message>
 </context>
 <context>
     <name>QInstaller::RemoteServerConnection</name>
     <message>
-        <source>Could not read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
+        <source>Cannot read all data after sending command: %1. Bytes expected: %2, Bytes received: %3. Error: %4</source>
         <translation>发送命令： %1 后无法读取所有数据。 期望： %2字节， 收到： %3字节。 错误： %4</translation>
     </message>
 </context>
@@ -2175,7 +2175,7 @@ Please copy the installer to a local drive</source>
 <context>
     <name>QInstaller::Resource</name>
     <message>
-        <source>Could not open Resource &apos;%1&apos; read-only.</source>
+        <source>Cannot open Resource &apos;%1&apos; read-only.</source>
         <translation>无法以只读方式打开资源“%1”。</translation>
     </message>
     <message>
@@ -2197,7 +2197,7 @@ Please copy the installer to a local drive</source>
 <context>
     <name>QInstaller::ScriptEngine</name>
     <message>
-        <source>Could not open the requested script file at %1: %2.</source>
+        <source>Cannot open the requested script file at %1: %2.</source>
         <translation>无法打开位于 %1 的请求脚本文件：%2。</translation>
     </message>
     <message>
@@ -2394,7 +2394,7 @@ Do you want to continue?</source>
         <translation>测试：“%1”时超时</translation>
     </message>
     <message>
-        <source>Could not parse Updates.xml! Error: %1.</source>
+        <source>Cannot parse Updates.xml! Error: %1.</source>
         <translation>无法解析 Updates.xml! 错误：%1。</translation>
     </message>
     <message>
@@ -2424,11 +2424,11 @@ Do you want to continue?</source>
 <context>
     <name>RemoteClient</name>
     <message>
-        <source>Could not get authorization.</source>
+        <source>Cannot get authorization.</source>
         <translation>无法获得授权。</translation>
     </message>
     <message>
-        <source>Could not get authorization that is needed for continuing the installation.
+        <source>Cannot get authorization that is needed for continuing the installation.
  Either abort the installation or use the fallback solution by running
 
 %1
@@ -2443,14 +2443,14 @@ as root and then clicking OK.</source>
 <context>
     <name>ResourceCollectionManager</name>
     <message>
-        <source>Could not open resource %1: %2</source>
+        <source>Cannot open resource %1: %2</source>
         <translation>无法打开资源 %1：%2</translation>
     </message>
 </context>
 <context>
     <name>Settings</name>
     <message>
-        <source>Could not open settings file %1 for reading: %2</source>
+        <source>Cannot open settings file %1 for reading: %2</source>
         <translation>无法打开设置文件 %1 进行读取：%2</translation>
     </message>
 </context>
@@ -2580,7 +2580,7 @@ as root and then clicking OK.</source>
         <translation>注册路径 %1 不可写入</translation>
     </message>
     <message>
-        <source>Could not write to registry path %1</source>
+        <source>Cannot write to registry path %1</source>
         <translation>无法写入注册路径 %1</translation>
     </message>
     <message>