Yes, AVG has had a firewall for some time now. I mainly used the antivirus until I couldn't find a firewall that worked with XP 64 bit and at the time AVG was the only one that worked worth a hoot. Forget Zonealarm. Now I'm still having problems getting my Vista machine to see XP and visa versa. It's maddening, even after all the advise and technical data shared here, my Vista laptop won't see any XP machine, my XP machine will see the Vista laptop but not my son's Vista computer, and my son's Vista computer, man, I'm not sure what it will see at this point.
I wish I could give Gates a kick upside the head right now.