Best Free Anti-virus Software

Not sure if this is the most appropriate forum, but I was wondering if anyone can recommend a decent freeware anti-virus software.

Been using Avast and was told there are better alternatives...

>>35
pick up any book on operating systems and it will say that kernel == OS && utils == applications.
get out.
and learn to read, damnit.
oh, and stop sucking that useless fat fuck RMS's cock.