While the more paranoid answers are more fun, that’s obvious not the right one in this Spyware survey.
Check it out.. some interesting questions.
I got Cyberdefender, and it worked great as a free scanner with spyware and trojan removal. If it finds a virus, you need the upgrade, which I got since I liked the speed and user interface of the scanner. The Cyberdefender anti-virus works great, and the paid version I got also came with 24/7 computer help line with my wife found helpful while I was away. I found out Cyberdefender is a NASDAQ campany and they have a great product.