Product tested: avast! Free Antivirus 5.1.889
This time avast has scored better detection than avira, but avira detected less FPs. ???
I want to congratulate McAfee that scored 0 FPs. Another interesting result is TrustPort, that scored a decent score among all products.
Direct link: http://www.av-comparatives.org/images/stories/test/ondret/avc_od_feb2011.pdf