Fixing Windows Update Error 0x80070005 and SFC Scan Issues - How to Fix 'Refusing to Merge Unrelated Histories' in Git-Cloudflare 521 Error: Authenticated Origin Pulls Setup

Updated 2026-07-28 17:09:34windows-fixes
Fixing Windows Update Error 0x80070005 and SFC Scan Issues - How to Fix 'Refusing to Merge Unrelated Histories' in Git-Cloudflare 521 Error: Authenticated Origin Pulls Setup
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.