Lock Your DeskTop Without Showing any body for free

Desktop Lock is a computer security protection and access control software product, you can use it to lock computer to prevent people from accessing your private documents and resources. When the computer being locked by Desktop Lock, none can access your documents, browse your computer, or use programs on your computer.
Desktop Lock supports Windows XP/2000/NT and Windows 98/Me.
You can lock your computer by one click, or let Desktop Lock to automatically lock your system at specific time or when system become idle. you can customize the appearances of the locked desktop by using the options provided by Desktop Lock. Desktop Lock also supports hotkey to lock the system.
Desktop Lock also provides a powerful "Virtual Screen" tool that allows you to launch a virtual desktop to show only the specific programs to users.

Use Desktop Lock to:
Lock your system to prevent anyone from accessing your private data and use your computer at any time.
Automatically detect the state of your computer, then automatically lock your system if it detected you have not used the computer (the system become idle) for a period of time.
Lock the system and play any audio or video file on the screen, so that people can view the media on your computer but can not control your computer.

Lock the system and run a program on the desktop, then anyone can only use the one and only program on your computer, and can not close the program.
This security software also can be used with any computer that what to show flash or PowerPoint files to others but don't want them to access your computer.
With the new Virtual Screen tool, Desktop Lock can also create a virtual desktop and show only the specific programs to users, then people only can use the specific program on your computer.
And more...
Features:
Fully supports Windows XP/2000/NT4 as well as Windows 98/Me.
During locking, none can force it to be terminated by using the "Task Manager" or "Ctrl_Alt_Del" key combination.
Supports to lock the system automatically when the system become idle.
Supports to automatically lock the system at the specific time.
Supports to automatically lock the system after computer booted.
Supports to keep locking if anyone force your locked computer to be restarted by pressing the Power button on the computer tower, or plug off the power supply.
Provides more features to allow you to customize your own locked desktop.
Supports hotkey to lock system directly.
Allow visitors to leave messages during locking.
Supports to show the banner during locking with any lock mode.
A new powerful "Virtual Screen" tool that can launch a virtual desktop.
Play media file during locking, the media file can be any video or audio file that supported by Microsoft Media Player.
Supports to specify a program to be automatically run during locking.
The background picture can be displayed with 3 different modes: Stretch, Center, Tile.
Desktop Lock can disable screensaver during locking; Desktop Lock will also prevent users from shutting down Windows during locking.
Virtual Screen tool supports any document files, and parameters for exe files.
Size: 624 KB