Close/Quit Application Window with PowerShell

windowQuit.ps1

# Simple find and quit:
(New-Object -comObject Shell.Application).Windows() | where-object {$_.LocationName -eq "Personalisation"} | foreach-object {$_.quit()}
# Credit: https://www.tenforums.com/customization/51260-apply-windows-10-theme-cmd-powershell-programming-post963151.html#post963151

# Wait for window and quit:
do {
    $windowcheck = (New-Object -comObject Shell.Application).Windows() | where-object {$_.LocationName -eq "Personalization"}
    Write-Host "Waiting for window..."
    Start-Sleep -m 200
    }
    until ($windowcheck.LocationName -eq "Personalization")
    # The loop has ended; closing the window...
    $windowcheck | foreach-object {$_.quit()}