Can't play activated Minecraft

I've done all stages, deleted cache, rebootet, unistall and install again but my old email adress keeps coming up when i try to login in Minecraft launcher.
I can't change that email adress to my active email.
Minecraft is bought trough Microsoft Store with my active email adress.

What should i do?

My NAT is open, i have hard reset, my Minecraft is up to date, My Gold subscription is active, WHY CAN'T I JOIN A FRIEND'S GAME OR THEM MINE? If Microsoft is charging me money to play games with my friends, the least they could do is make their own games
work. THIS IS THE ONLY GAME I HAVE THIS ISSUE WITH. I LIKE TO PLAY. I CAN'T. I'M ANGRY.

I do not have an active Gold subscription, but Minecraft isn't supposed to require Gold for local play.

Hello, My name is David. I am an independent advisor, happy to help you today.

You could try to repair your game data quickly.

Go to Settings > Apps > Installed apps

Search for the game name and select Advanced Options

Select Repair

Go back to the Xbox app on your PC and try installing or updating it again

If the problem persists, try the steps above again, but select Reset instead of Repair

Please note that repairing the data will not delete any other data from the console. Please let me know how it went once you finish the process.

Best regards.

In that case In Windows Search, type 'cmd' without the quotes, right-click on it and run it as administrator.

- Type ipconfig /flushdns and press Enter.
- Type ipconfig /registerdns and press Enter.
- Type ipconfig /release and press Enter.
- Type ipconfig /renew and press Enter.
- Type netsh winsock reset and press Enter.
- Restart your computer and check if the problem is resolved.

If the problem persists, do the following:

1. In Windows Search, type services.msc and press Enter.
2. Right-click on the 'Peer Network Pooling' service and select Properties.
3. Check if the service has started; Otherwise, click Start.
4. You can also set the startup type to Automatic Preference.
5. Click Apply and then OK.
6. Restart your PC and check if the issue still occurs.

If after that you still have the same problem, do the following:

1. In Windows Search, type 'cmd' without the quotes and run it as administrator.
2. Type "netsh" and press Enter.
3. Type "int teredo" and press Enter
4. Type "set disabled state" and press Enter
5. Type "int ipv6" and press Enter
6. Type "set teredo client" and press Enter.

Finally, make sure Windows Defender Firewall has allowed the game to connect, otherwise it will block the game from connecting to the Internet.