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Fixing NGINX Upstream Connection Refused SSL Errors - How to Resolve Firefox Secure Connection Failed on Windows 10-How to Break the Windows 11 Update Restart Loop

Updated 2026-07-28 05:16:53network-tools
Fixing NGINX Upstream Connection Refused SSL Errors - How to Resolve Firefox Secure Connection Failed on Windows 10-How to Break the Windows 11 Update Restart Loop
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.

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