AVG Internet Protection won't allow people on network to see machine

Just like Geoff Parrish, I too am having difficulties since the recent update.  Specifically, the AVG Internet Security updated (to version 17.3.3011) and now the others in my office cannot see my machine through our network. 

The only way for others on my network (two computers) to even see my machine is to disable AVG Internet Security.
One other person frequently needs files that is shared off of my computer all day and it is not feasible to be without an internet security enabled.

Hi Mike,

We are sorry to hear that. We suggest you to change the firewall network profile from "Public" to "Private" and check if that fix the issue. To change this settings, please open the AVG Internet Security and click on Menu>Settings>Components>Firewall>Customize>Network profile.

Thank you!