AVG (Anti-virus Grisoft) 7.5 free version has been released so I recommend you to upgrade to that one if you still run AVG 6.0
http://free.grisoft.com/doc/2/ http://free.grisoft.com/doc/download.../frt/0?prd=aff
I use AVG myself, and so far it's the best free anti-software I've found so I'll probably stick with it in the future as well.