Windows Firewall

Tim, Yes… With any Win OS you have installed you should only have 1 firewall installed. When you install an AVG product which includes a firewall the Windows firewall will be auto disabled.
AVG Guru

Is Windows firewall supposed to turn off when the AVG firewall is on?
My Windows firewall is off and I cant turn it back on, however AVG firewall is on.

is this normal ?

Tim, Yes… With any Win OS you have installed you should only have 1 firewall installed. When you install an AVG product which includes a firewall the Windows firewall will be auto disabled.
AVG Guru