Hello there We have read the question We try to help

When you use Thunderbird, you have this issue that suddenly there is a problem that you cannot use this program, in particular it is not possible to send or receive email?

Greetings Firefox volunteer.

Hello there

Can you tell us how you experience this in our Software program?

Could you also create a screenshot of the messages received for this purpose on your PC screen?

https://support.mozilla.org/en-US/kb/how-to-make-screenshots

Greetings Firefox volunteer