Private Locker (Ur secure briefcase)

Folder Lock for Windows without Install
Download the safe.bat file from here Don't worry no viruses
paste it in to any place where you can reach from Windows OS (even in your pen drive) any windows partition
Double click on it, it will create a folder Named "briefcase" open it and put your stuff there & close it.
Double click on safe.bat again, it will lock your briefcase.
To open your briefcase Double click on safe.bat it will ask "Enter Your Passkey"
type "pass123" as your password (you can change it by edit safe.bat file) and press enter
GOOD LUCK
warning : this simple lock will work for most of the people other than computer genius.