have a look here IF it helps:
How to manually update AVG Free Edition
Running AVG Free 8.5.409.
AVG 8.5.412 became available on 07 Sept. 09 and I believe that was for paid subscribers first as traditionally us free users have access to it a week later.
Today I noted that AVG 8.5.416 is now available presumably for paid subscribers first.
My concern is that I am now two versions behind.
I note that the file is a *.bin file.
Can someone help with how to extract and where this should be installed?