When starting Minecraft, Minecraft automatically signs in to your Nintendo account however fails when attempting to sign in to your Microsoft account. In order to resolve this issue you have to go through the entire “Connect your Microsoft account” process.

I attempted re-installing Minecraft, and my software is up to date.

Please do fix this as soon as possible as I can’t play on servers or join my realm. 

EDIT: After some persuasion I managed to get it to work, nevertheless it took me 2 hours to fix so please resolve this issue.

Thank you!