I've installed MS Teams in my notebook so I can use it for work.. the other option is to attend meetings with web version which requires to use MS Edge, and although it seems to miss some content, audio works better than in the real windows app.

The problem now is that after booting, it keeps opening this pop all the time , no matter I want to not login.. Only solution is to remove teams I guess or perhaps remove win10 ?

Other people having this kind of problem: answers.microsoft.com/en-us/windows/forum/a.. which yet found no solution..