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# Copyright (C) 2019 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
# Windows 7 does not have Get-ScheduledTask and Unregister-ScheduledTask
# thus needing its own version.
Write-Host "Disabling defragmentation"
$version = Get-CimInstance Win32_OperatingSystem | Select-Object -ExpandProperty Caption
if ($version -like '*Windows 7*'){
$pi = New-Object System.Diagnostics.ProcessStartInfo
$pi.FileName = "C:\Windows\System32\schtasks.exe"
$pi.RedirectStandardError = $true
$pi.UseShellExecute = $false
$pi.Arguments = "/Delete /TN `"\Microsoft\Windows\Defrag\ScheduledDefrag`" /F"
$prog = New-Object System.Diagnostics.Process
$prog.StartInfo = $pi
$prog.Start() | Out-Null
$err = $prog.StandardError.ReadToEnd()
$prog.WaitForExit()
if ($prog.ExitCode -eq 0){
Write-Host "Scheduled defragmentation removed"
} else {
if ($err -like '*cannot find the file*'){
Write-Host "No scheduled defragmentation task found"
exit 0
} else {
Write-Host "Error while deleting scheduled defragmentation task: $err"
}
}
}
else {
try {
$state = (Get-ScheduledTask -ErrorAction Stop -TaskName "ScheduledDefrag").State
Write-Host "Scheduled defragmentation task found in state: $state"
}
catch {
Write-Host "No scheduled defragmentation task found"
exit 0
}
Write-Host "Unregistering scheduled defragmentation task"
Unregister-ScheduledTask -ErrorAction Stop -Confirm:$false -TaskName ScheduledDefrag
Write-Host "Scheduled Defragmentation task was cancelled"
}
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