HOW TO LOCK COMPUTER BY PEN DRIVE

Hey friends,Today I Show something very useful for you. Actually this is a kind of security trick that will allow you to automatically lock computer whenever a pen drive is removed from PC. This is cool as you can easily prank your friends and it also ask for password to unlock.
So, follow these easy steps to  do it:

You will need .Net Framework 4, get it here.
Download Predator from here (Utility which does the job).
Install it and run, on the first run, it will show a dialog:

It asks to create a new password, click on OK and enter password in next screen

Connect the pen drive to computer and in Create key on Drive, chose carefully the USB drive letter (Check in My Computer), and hit Create Key.

Finally hit OK in top right corner, software will exit automatically.

Now, it will check every 30 seconds for removal of Pen drive, and if removed, it locks PC. You can unlock by connecting USB back or on black screen, press enter and enter password...                                   ENJOY THE TRICK