This is a duplicate of https://support.mozilla.org/en-US/questions/1525908

i fixed it any way and it is for thunderbird i asked about fiefox before and that too is fixed

Thanks, Mary, good to know. If you don't mind, would you please mark them all resolved? thank you

solved thanks

Mary, how did you fix the problem?

yes thanks

I am asking what the solution to the problem is. What is it?

i went to regedit into local machine soft ware Microsoft policies went to Mozilla and found thunder bird and deleted what i said a bout extensions deleted what it said and it solved the issue i am sending you what i copied from regedit but you do not see what i got rid of what ever was underneth what is p there now i removed and it solved it

just a nother question are we ever going to have Expunge again with future versions

The solution would have been better posted at https://support.mozilla.org/en-US/questions/1525908

just a nother question are we ever going to have Expunge again with future versions

The add-on author is the only person that can answer that question.

Also, the add-ons manager should be able to tell you if there is an alternative. You can also try https://addons.thunderbird.net/en-US/thunderbird/addon/addon-compatibility-check/