Get a program called Spyhunter. Yes it's a downloadable program and yes it does cost money after you get passed the trial phase.
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Download and use Mozilla Firefox instead of internet explorer.
You can find that browser at www.mozilla.org.
Firefox is great for not allowing popups to begin with and spyhunter is the best thing I have found to kill adware programs.
BTW, I do this for a living so you are getting my professional recommendation.
Feel free to freepmail me if you have any questions.
RUN, do not walk, from that program!
Don't take my word for it. Do a search. They have been questionable since day One. You can start here:
I posted this several months back. It's a highly questionable Spyhunter ad ("System Status - Urgent Attention") which used to popup on Drudge's site, among others.
http://www2.enigmasoftwaregroup.com/TMP/3.htm