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Nginx Upstream Connection Refused: Fixing localhost Errors - Git Detached HEAD Warning: What It Means and How to Fix It-Windows Defender Real-Time Protection Keeps Disabling Automatically

Updated 2026-07-28 10:39:42developer-tools
Nginx Upstream Connection Refused: Fixing localhost Errors - Git Detached HEAD Warning: What It Means and How to Fix It-Windows Defender Real-Time Protection Keeps Disabling Automatically
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.

More repair notes

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