Helps protect your computer, lock computer to prevent unwanted access to your system and documents. A powerful Virtual Screen tool helps create virtual desktops to limit users to use only the programs you specified. Desktop Lock Business Edition is the enhanced version of Desktop Lock. A new lock mode Lock keyboard and mouse only, do not freeze screen allows you to leave any video, Flash media or PowerPoint file playing on the screen when system is locked. The Virtual Screen tool helps you create virtual desktops. The virtual screen will list only the programs you specified on its desktops, and only allow users to use the listed programs.