1 files changed, 7 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp b/src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp
index 93b9622655..50888d4a8e 100644
--- a/src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp
+++ b/src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp
@@ -58,6 +58,7 @@ QT_BEGIN_NAMESPACE
 
 using namespace QWindowsUiAutomation;
 
+bool QWindowsUiaAccessibility::m_accessibleActive = false;
 
 QWindowsUiaAccessibility::QWindowsUiaAccessibility()
 {
@@ -72,6 +73,7 @@ bool QWindowsUiaAccessibility::handleWmGetObject(HWND hwnd, WPARAM wParam, LPARA
 {
     // Start handling accessibility internally
     QGuiApplicationPrivate::platformIntegration()->accessibility()->setActive(true);
+    m_accessibleActive = true;
 
     // Ignoring all requests while starting up / shutting down
     if (QCoreApplication::startingUp() || QCoreApplication::closingDown())
@@ -131,6 +133,11 @@ void QWindowsUiaAccessibility::notifyAccessibilityUpdate(QAccessibleEvent *event
     if (!event)
         return;
 
+    // Ignore events sent before the first UI Automation
+    // request or while QAccessible is being activated.
+    if (!m_accessibleActive)
+        return;
+
     switch (event->type()) {
         case QAccessible::PopupMenuStart:
             playSystemSound(QStringLiteral("MenuPopup"));