1Click & Lock up is a system tray security utility you can use to secure your desktop when you step away from your PC. It's secure and very easy-to-use. Just define a password, and select Lock to hide and deny access to your desktop to anyone...

1st Screen Lock is a password-protected desktop security utility that lets you lock your desktop with a password on boot, or at the time you are leaving your PC. You can use the built-in spy utility that works in background and enables you to spy on

Access Lock enables you to lock your desktop with a password by several methods, prevent unauthorized access on boot, log the attemps of breaking the lock, allow people around to leave messages while your system is locked.