A couple of free utilities that may save you lot a LOT of grief and calls to sort it later…
http://www.lavasoftusa.com/
Is an Adware killer, basically it stops nefarious companies lumping you up with pop-ups on your PC.
http://www.safer-networking.org/
Is a spybot killer, it will search and destroy any nefarious scripts sending back information on what you’re doing to some unscrupulous companies.
These are well worth having and will save a lot of hassle if you become infected, I have never bothered in the past and put the Spybot killer on my machine here this morning. I was gobsmacked at the amouont on there given the defensive measures in place here, like anti-virus, a software and a hardware firewall!
K.