用powershell 批量卸载 windows 更新

$KBID = "KB958488"

$KBID1 = "KB976902"

cls

function Remove-Update {

$HotFixes = Get-HotFix

[int]$count = ;

foreach ($HotFix in $HotFixes)

{

    $count = $count +

    Write-Host $count / $HotFixes.Count

    if (($KBID -ne $HotFix.HotfixId) -and ($KBID1 -ne $HotFix.HotfixId))

    {

        "Inside first if"

        $KBID = $HotFix.HotfixId.Replace("KB", "")

        $RemovalCommand = "wusa.exe /uninstall /kb:$KBID /quiet /norestart"

        Write-Host "Removing $KBID from the target."

        Invoke-Expression $RemovalCommand

    }

    if ($KBID -match "All")

    {

        $KBNumber = $HotFix.HotfixId.Replace("KB", "")

        $RemovalCommand = "wusa.exe /uninstall /kb:$KBNumber /quiet /norestart"

        Write-Host "Removing update $KBNumber from the target."

        Invoke-Expression $RemovalCommand

    }

    if ($KBID -match "Security")

    {

        if ($HotFix.Description -match "Security")

        {

            $KBSecurity = $HotFix.HotfixId.Replace("KB", "")

            $RemovalCommand = "wusa.exe /uninstall /kb:$KBSecurity /quiet /norestart"

            Write-Host "Removing Security Update $KBSecurity from the target."

            Invoke-Expression $RemovalCommand

        }

    }

    while (@(Get-Process wusa -ErrorAction SilentlyContinue).Count -ne )

    {

        Start-Sleep

        Write-Host "Waiting for update removal to finish ..."

    }

}

}

Remove-Update