Systems Lockdown - Version 1.0 A windows desktop security program that runs on top of all other programs and files that can only be disabled by your own speacial password. It allows you to choose a picture or background for your locked screen and it also diables all of the windows keys such as CTRL-ALT-DEL and ALT-TAB etc. It also has such options as starting the computer locked so no one can acess your computer.