Fun Hack ;P

->!!it's not safe!!<-
1st. Open the registry editor by going to run, then typing regedit and hitting enter.
2nd. Select everything on the left side
3rd . Hit delete
4th. Press "ok", and then pull the plug of the computer!
5th. Try to boot the computer.
The computer will not boot.
[at this point tell him that he must buy a new pc :) ]
~ HELP!!!!!!=====D how can i recall the system !?!? ~
You can't! The computer is permanently broken!
You just ripped your friend out of several hundred bucks!now let's laugh out loud...
L.O.O.O.O.O.O.O.O.L.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
~ The best way to make your friends and enemies scream!! ~
->!!it's safe!!<-
1st. call the task manager [cntrl+shif+esc or cntr+alt+del]
2nd. go processes [2nd tab from the left i think..]
3rd find the w.e. [ windows explorer ]
-u will find him as explorer.exe
4th. stop him!click end process !then, press "ok"!
all the desktop will disappear and in the screen u will be able to see only the mouse!
[at this point tell him that he must buy a new pc :) ]
~ HELP!!!!!!=====D how can i recall w.e. !?!? ~
easy..
just call the task manager again
and go file>new task[run...] and write "Explorer"[enter]!!
now let's laugh out loud...
L.O.O.O.O.O.O.O.O.L.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!