Why can't I send, reply or Forward e-mails (Thunderbird)

Other products
1

I need all of my files reinstated, following a Windows 10 Update which I had reversed.

3

Hello, Susan.
Unfortunately, it was not clear how to assist you from your issue description. Could you confirm if you need assistance with reinstalling AVG app or with issue on Thunderbird?

2

Hello, Susan.
Unfortunately, it was not clear how to assist you from your issue description. Could you confirm if you need assistance with reinstalling AVG app or with issue on Thunderbird?