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How to Reset Windows Security App Settings - How to Enable Windows Defender Real-Time Protection in Windows 11-Nginx Upstream Connection Refused: Diagnosis and Fixes

Updated 2026-07-28 12:43:08cloud-software
How to Reset Windows Security App Settings - How to Enable Windows Defender Real-Time Protection in Windows 11-Nginx Upstream Connection Refused: Diagnosis and Fixes
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.