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How to Fix Firefox Secure Connection Failed Error Code - Windows 11 WiFi Connected No Internet: IPConfig Release Renew-Fix Stubborn Git index.lock File Not Deleting

Updated 2026-07-28 15:06:22developer-tools
How to Fix Firefox Secure Connection Failed Error Code - Windows 11 WiFi Connected No Internet: IPConfig Release Renew-Fix Stubborn Git index.lock File Not Deleting
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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