Fix for Portable Thunderbird

AVG Protection
1

Portable Thunderbird wouldn't receive e-mail with AVG Free Antivirus mail shield on.

The fix was in Thunderbird settings
  Preferences/Privacy & Security/Certificates/Manage Certificates/Authorities
find AVG
  Edit Trust
  set identify websites = on


5

Hello Edmund,

We will check and help you to clarify it. Could you please  confirm whether you can receive emails when you disable AVG Anti-virus program? Keep us updated. Thank you.

3

Hello Edmund,

We will check and help you to clarify it. Could you please  confirm whether you can receive emails when you disable AVG Anti-virus program? Keep us updated. Thank you.

2

I was posting the solution in case anyone else had the problem, but I don't actually sees how they can search for it.

4

Hello Edmund, 

Thank you for letting us to know the solution. If you need any help with AVG, feel free to contact us at anytime.