Someone help me, please with a link.

I'm recalling an old joke:

Send someone a link to a free "scan" of your computer, and when clicked on the page makes it look like the computer is going to be formatted.

I'd like to pull it on a friend or two for April Fools.

Any suggestions?

Scary Computer Pranks (http://www.buzzle.com/articles/scary-computer-pranks.html)

Computer Prank Fun! (http://www.scared-out-of-your-wits.com/computer-prank.html)

Funny Tricks (http://www.funnyjunkz.com/funny/funny-tricks/)

40+ Computer Pranks To Play On Your Friend Computer (http://www.technixupdate.com/40-computer-pranks-to-play-on-your-friend-computer/)

Thanks!