Originally Posted by PR_Tom

I think for MOST people, the idea of reformatting is just so daunting that they never consider it except if their system is absolutely trashed. However if you have a great recent backup. it's never a bad way to go since you can be very sure it's all clear. I wouldn't knock it, but I also wouldn't do it as a first attempt. I'd probably go for a system restore point and all the standard scans as have been suggested then consider it.