Lock Computer when Idle

Go into c:\windows and create a new shortcut.

for the path of what you want the shortcut to be, paste this...

%windir%\System32\rundll32.exe user32.dll,LockWorkStation

click next

rename it (ex. sysdll) make it sound important, because it is after all going to make your PC more secure.

click finish

now goto control panel>scheduled tasks

double click add scheduled task

click next

at the next screen, click browse

browse to your new shortcut... (ex. c:\windows\sysdll.ink)

select it

pick daily and then click next

click next

type in a pw for your scheduled task
confirm

click next

click finish

now double click on the new scheduled task you just made

click the schedule tab

under scedule task: select When Idle

enter in how long you want your computer to go before it gets locked

click ok

your all set... it's a nice little trick, and it beats the hell out of a screensaver password.