Downgrade your computer to Windows XP, prior to Service Pack 1
Disable all antivirus and security software
Using Internet Explorer 6, browse high risk websites heavy with flash and java applets
Make sure to open all suspicious emails. If an email has an attachment in EXE format, make sure to execute it. Multiple times.
If the error persists, take your PC to the bathroom and plug it in. Fill your tub with water, get in, and with your body submerged, quickly lower the tower into the water.
These steps may or may not fix the problem, but at the very least it'll give you lots of other things to worry about, and hopefully keep you from calling us back for a while.
/s