Mumble issues

Apparently my certificate is not right or something of the sort and I am unable to connect to Mumble. Since I downgraded from windows 10 to 7 I have not gotten back into the server which is sad because it was a lot of fun. If anyone can tell me what is wrong I would appreciate it?.

And no I do not have a saved copy of my certificate

log onto mumble and put a 1 at the end of you name. when we see you in the lobby with out any authorization, someone will come up and get you sorted out and reset.

Thanks

He popped in just now and I handled it.