Could you answer few questions regarding this issue, it will help with the investigation:
Does this issue occur on the Launcher from the minecraft.net website or MS store?
Are you logged in in both Xbox app, MS store, and Launcher with the same MS account?
Please also install Xbox app, Xbox companion and Xbox identity provider.
Have you tried signing out of all your Windows Apps, and the signing in again?
Is your Windows and associated apps (Xbox app, MS store) up-to-date (check for updates regardless)?
Do you have enough free space on your disc drive?
Have you tried installing the Launcher on a different drive?
Are your graphic card drivers up-to-date? Please check for updates regardless.
Please also uninstall the Launcher, delete .minecraft folder (copy its content elsewhere before deletion) and then reinstall, restart your computer. Then please try to boot the Launcher.
Hi there!
Could you answer few questions regarding this issue, it will help with the investigation:
Does this issue occur on the Launcher from the minecraft.net website or MS store?
Are you logged in in both Xbox app, MS store, and Launcher with the same MS account?
Please also install Xbox app, Xbox companion and Xbox identity provider.
Have you tried signing out of all your Windows Apps, and the signing in again?
Is your Windows and associated apps (Xbox app, MS store) up-to-date (check for updates regardless)?
Do you have enough free space on your disc drive?
Have you tried installing the Launcher on a different drive?
Are your graphic card drivers up-to-date? Please check for updates regardless.
Please also uninstall the Launcher, delete .minecraft folder (copy its content elsewhere before deletion) and then reinstall, restart your computer. Then please try to boot the Launcher.
Do you use VPN or any of the incompatible software on machine you try to log-in?
Please also check if the installation process did not start in MS Store or Xbox app, if yes cancel it there.
This ticket will automatically reopen when you reply.