reg delete "HKCR\DesktopBackground\Shell\Lock Computer" /f reg delete "HKCR\DesktopBackground\Shell\Sleep Computer" /f reg delete "HKCR\DesktopBackground\Shell\Restart Computer" /f reg delete "HKCR\DesktopBackground\Shell\Shutdown Computer" /f taskkill /f /im explorer.exe start explorer.exe