AVG has lost all of my firefox passwords

Hi Anthony, 

We will certainly look into this and help you.
What actions did you perform using AVG before this happenned? 
And how did you figure out that AVG has deleted the Firefox passwords?

This is a common thread, but all the solutions seem to be from 2019. I can't find the lost password file anywhere! I have changed profiles etc.
Any help would be very much appreciated

AVG Internet security 21.2.3170 (build 21.2.6096.561) is my current version, but I have recently updated.

AVG Internet security 21.2.3170 (build 21.2.6096.561) is my current version, but I have recently updated.

We appreciate your efforts

We will help you with the necessary information.

Could you mention the AVG program which is causing the issue?

Keep us posted.

Hi Rakshith,
Thank you for your reply. On Friday I did a (what I thought) was a standard version upgrade to Firefox 87.0 using the AVG console. On restarting firefox it was a completely clean install. I searched for help, as could see that a good number of forums said it was a problem with avg copying the passwords into a .corrupt file where you could retrieve them afterwards. I then updated avg to make sure I had the latest version, but cannot find any record of the missing passwords in any firefox profile.