For grins, can you tell me what happens when you disable the windows firewall and AVG?
Also, some routers allow you to turn off their firewall. While I really don't recommend you doing it long term, it might be worth a shot as well. A Firmware update might assist you as well.
Also, some routers allow you to turn off their firewall. While I really don't recommend you doing it long term, it might be worth a shot as well. A Firmware update might assist you as well.