there was a good joke to go with thaaaaaaa
Have you been inhaling the helium again?
It might be someone fucking with you if you have VNC. Close everything and see if it helps, if not grab this
http://www.eset.com/download/index.php
The trial is the full app, just a 30-day trial.
You could have run AVG or Hijack This in the time you've been speed-posting here.