How to Clear Windows Update Cache on Mac - How to Fix Update Error 0x800f0922 on Windows 10/11-Windows Update Authentication Failed: Complete Troubleshooting Checklist

Updated 2026-06-13 16:03:09macos-help
How to Clear Windows Update Cache on Mac - How to Fix Update Error 0x800f0922 on Windows 10/11-Windows Update Authentication Failed: Complete Troubleshooting Checklist
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.