MicroLocked 

Small, easy to setup, security program that locks your computer while leaving the display visible. Once locked your system can not be accessed until the unlock password is entered.
lock desktop secure safe access utility

Computer Lock Up 

Computer Lock Up utility enables to lock computer access quickly as well as efficiently by means of password protection at the time the user is absent. The program maintains standard and transparent modes of computer locking.
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FreeDesktop 

It is a desktop draw tool, can lock desktop,and draw line on it free,you can set line's color or width.Clear the points(lines) that you drawed(when you clear on Desktop,it will be magic)!,for education,demo,explaining,for doodling too.
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Advanced Desktop Shield 

Advanced Desktop Shield - protect public access PCs, stop users from changing desktop wallpaper and screen saver, deleting, creating and renaming desktop icons, changing display settings and so on. Backup, restore and manage desktop layout
desktop protect public access user changing wallpaper screen saver deleting creating renaming icons display

Locked! 

Locks your computer. Entries from the keyboard and mouse are blocked. Resetting or powering off the computer will not unlock it. Includes Boot Lock, StartUp Lock, Power Lock, Admin Mode, Idle Activate, Preset Activate, automatic Shutdown and more.
lock desktop secure safe access utility

ActiveScreenLock 

This innovative security application disables Windows system key combinations, such as Alt+F4, Ctrl+Alt+Del, Alt+Tab and WinKey and then shows security screen over your desktop that would not let anyone except you in! Download FREE trial version now!
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