Right-click on the desktop (not on an icon)
Select New
Click Shortcut
Type the following:
rundll32 user32.dll,LockWorkStation
Click [Next>]
Type the following:
Lock Workstation
Click [Finish]
Drag the icon onto the Quick Launch area of the Taskbar
Right-click the icon
Click Properties
Click [Change Icon...]
Click [Browse]
Search for an icon (a gold "Lock" comes with XP, not 2000)
Click [Open]
Click [OK]
Click [OK]
Another way to Lock the computer:
Hold down the [CTRL] and [ALT] keys and press the [DEL] key
Press [ENTER]
Austin M. Horst