The Windows 11 Start menu is the most controversial element of the new operating system, so it is appropriate that one of the first Windows 11 bugs is coming from that feature.
This would not be so bad, except that the menu does not work, leaving users to use keyboard shortcuts to control the OS.
It is not known what is causing the issue, but a corrupted registry is suspected. The problem can be solved by creating a new local user, but most users are simply rolling back to Windows 10. Microsoft has not commented on the issue yet.