Does anybody know if there is any software that lets you lock down a computer so that you need a password to access it at boot-time or something like that?<BR><BR>Freeware would be best (management is ...

Can anyone tell me how to lock my computer so it can't be accessed by anyone else when i'm away?<BR>I know about the screensaver password, but i want to be able to do something like the Ctrl-Alt-Del ...