Geek pranks: 15 high-tech tricks to haunt your co-workers

Don't be stuck with only sweet treats this Halloween. Try these 15 high-tech tricks to make your co-workers wonder who's haunting them.

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2. Temporary Insanity

The Prank:

Imagine if tiny sticky notes were constantly flying onto your desk and filling it with clutter. Now imagine the same effect happening on your computer's desktop. It'd drive you crazy -- which makes it the perfect premise for our second prank.

The Process:

Sneak into your work buddy's system settings and edit the location where temporary files are stored. Enter the Windows System Properties menu (right-click on My Computer, then select Properties). Select the Advanced tab, then click the Environment Variables box. Make sure the line that says TEMP is highlighted, and click Edit. Change the Variable Value to the desktop path (commonly C:\Documents and Settings\All Users\Desktop).


Tip: You probably want to make a careful note of the original path (commonly %USERPROFILE%\Local Settings\Temp) so you can change it back later.

The Final Product:

Once you save out of that menu, various temporary system files -- things with weird names like ~DF57F4.tmp -- will start littering your pal's desktop in no time. He'll go bonkers trying to figure out what's going on.

Next: Restart Remap

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