The AVG enhanced firewall question:

AVG Protection
3

Greetings,

We're sorry for the inconvenience caused.
Firstly, please let us know if you have any VPN programs installed in your computer. If you do, please disable that VPN program & check for the issue.
Secondly, repair your AVG Antivirus as mentioned in this article, restart your computer once & check if the issue persists.
Keep us updated.

1

I can't connect to my comcast device because it is listed as untrusted. I've tried to change it to trusted where I can cast BUT it will not let me and continues to go back to the untrusted setting. Need help to resolve the issue?

2

Greetings,

We're sorry for the inconvenience caused.
Firstly, please let us know if you have any VPN programs installed in your computer. If you do, please disable that VPN program & check for the issue.
Secondly, repair your AVG Antivirus as mentioned in this article, restart your computer once & check if the issue persists.
Keep us updated.