Windows 10 21h2 installation failed

- Windows 10 21h2 install failed
- Rsat windows 10 21h2 install failed
- Windows 10 21h2 update error 0x800f0831
- Windows 10 21h2 update failed
- Windows 10 21h2 install error
- Windows 10 21h2 update error 0x800f0922
- Windows 10 21h2 cumulative update failed
- Windows 10 21h2 failed
- Windows 10 21h2 update keeps failing