Software by Click Lock Software:

1Click Lock up is a system tray security utility you can use to secure your desktop when you step away from your PC. Its secure and very easy-to-use. Just define a password, and select Lock to hide and deny access to your desktop to anyone without the proper password. You can set the program to launch automatically with Windows, lock your desktop from the system tray, log access attempts, and apply a custom background image. When enabled, Secu