When changing my primary email address (due to a change of my last name) of my Microsoft account, I'm no longer able to play Minecraft. The launcher does not know about my bought license or some internal error occurs because there is an endless loop between (Play offline and play demo) with an occuring error message of "Oh no! Something went wrong, and we couldn't connect to the Minecraft services. Try again"
I found that someone else had the same problem in #20797 but it was not resolved.
It seems weird that a general Microsoft feature would not be supported here. Is there any way to resolve this issue other than using my old email address (with the wrong last name) as primary?
Update: Log file screenshot showing an error attached.
Update 2: Using the old launcher for Windows 7/8 works. Even tough the primary email is still the new one.
For everyone also readying this issue and having similar issues. Be aware that Microsoft limits switching your primary email to twice a week!
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@Zgajak But the Launcher version is 2.3.324. So it should be fixed already. But its not!

So creating an issue is useless. Cause not even the issue details are checked properly before closing? Thanks for nothing. I will just stick with the old launcher.
Thank you for your report!
We're tracking this issue in MCL-11510, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as Fixed. Please check the Fix Version/s field in that ticket to see in which version this behavior was or will be fixed.
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