If using W/7 turn AVG Firewall off and use Windows own Firewall. AVG firewall was a bit complicated for me and that is what I used to do.
If no information forthcoming I would try the AVG forum to see if you can get the proper advice from there.
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
What’s happening in VR right now: From psychedelic art to combat therapy
Siri not working? Try these troubleshooting fixes
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.