Re: Free Antivirus?
MSE is fine for Windows 7/8. But I would use Avast for Vista or Xp--there's been known problems with MSE upadater on the older OS.
Avast is ever-so-slightly more secure, but you're also going to get more false positives with it.
Yada, yada, yada. Blah, Blah, Blah.