You are a fool script

Hack your friend's keyboard and make him type "You are a fool" simultaneously:

Type :

Set wshShell = wscript.CreateObject("WScript.Shell")

do

wscript.sleep 100

wshshell.sendkeys "You are a fool."

loop

Save it as "Anything.VBS" and send it.

press ctrl+alt del and strop the process named wscript.exe

use "~" character at the end of the string, to put enter.

ie: it like pressing enter after typing something.