download and run these programs....

http://www.softpedia.com/public/cat/...10-17-69.shtml
http://www.lavasoftusa.com/software/adaware/
http://www.pcworld.com/downloads/fil...d,22262,00.asp
http://www.softpedia.com/public/cat/...0-17-150.shtml

you should be fine after that....also downooad the google toolbar "great for blocking usual pop-ups"

http://toolbar.google.com