Quote Originally Posted by Wots View Post
I prefer Comodo Internet Security (Antivirus+Firewall).
It's free and works perfectly
I also use Comodo on some of my PCs. It is the best free security suite for sure. Quite small on system resources and it seems to work quite well. I don't think it is quite as good as the best commercial products such as Norton or Kaspersky, but it is worth using if you don't want to pay for one.