Git Fatal: Refusing to Merge Unrelated Histories – Workaround - Fixing Nginx Connection Refused to Upstream-Fix Windows Defender Real-Time Protection Not Running

Updated 2026-07-28 16:39:42developer-tools
Git Fatal: Refusing to Merge Unrelated Histories – Workaround - Fixing Nginx Connection Refused to Upstream-Fix Windows Defender Real-Time Protection Not Running
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.