$flagFolder = "C:\ProgramData\PrinterHKeyClean" 
$flagFile = "${flagFolder}\v1.flag"

if (!(Test-Path $flagFolder)) {
    New-Item -Path $flagFolder -ItemType Directory -Force | Out-Null
}

if (Test-Path $flagFile) {
    Write-Host "Script has already run. Exiting."
    exit
}

$profileListKey = 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList'

$sids = Get-ChildItem $profileListKey

$printerPaths = @(
    '\Printers\Connections',
    '\Printers\ConvertUserDevModesCount',
    '\Software\Xerox\PrinterDriver',
    '\Software\Microsoft\Windows NT\CurrentVersion\Devices'
)

$HKLMPrinterPaths = @(
    'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Print\Providers',
    'HKEY_LOCAL_MACHINE\SOFTWARE\Xerox\PrinterDriver'
)

net stop spooler

foreach ($printerPath in $HKLMPrinterPaths) {
    try {
        Remove-Item -Path "Registry::$printerPath" -Recurse -Force -ErrorAction Stop
    } catch {
        Write-Host "Error: $($_.Exception.Message)"
    }
}

foreach ($sidKey in $sids) {
    $sid = $sidKey.PSChildName
    $profilePath = (Get-ItemProperty -Path $sidKey.PSPath -Name ProfileImagePath).ProfileImagePath


    
    foreach ($printerPath in $printerPaths) {
    try {
        Remove-Item -Path "Registry::HKEY_USERS\$sid$printerPath" -Recurse -Force -ErrorAction Stop
    } catch {
        Write-Host "Error: $($_.Exception.Message)"
    }
    }


    if (-not $mounted) {
        $unloadResult = & reg.exe unload "HKU\$sid" 2>&1
    }
}

net start spooler

gpupdate /force

New-Item -Path $flagFile -ItemType File -Force