Hey, relax, I was being facetious -- I wasn't trying to be snide.
I don't know for sure you have a virus but it does seem likely from what you are describing -- and I'm sorry if you do, it's a real pain sometimes.
I actually spent a week with my computer down recently since I kicked the power plug out while it was thinking about something that must have been important, since it wouldn't work after that -- I tried everything I could find, believe me. I finally had to reformat and rebuild it from scratch.
I would get a decent virus software and see what that can do, you might download one as a demo version and if it finds the problem then that would be a good one to buy for ongoing protection.
Good luck