Sometimes other persons may access your computer and view your important details. If you want to lock your computer, Predator is free software that will help you to lock and unlock your pc simply removing or inserting USB drive. When you remove USB drive, Predator locks your pc.
You can simply install Predator to arrange the program, you must create a password and a security key. When you removed USB, Predator locks your PC and darkens your screen if anyone tried to use it without entering the password. When you insert USB it will unlock your pc.
Somebody try to access your pc, if he not enter correct password within20 seconds, an alarm will sound and access is denied. if you happen to lose your USB stick, you can unlock your computer with a password.
Download Predator click here