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Windows Security App Not Working After Reset? Try These Fixes - Fix Nginx Upstream Connection Refused in Proxy Pass-Fix Firefox Secure Connection Failed DNS Error

Updated 2026-07-28 08:05:46developer-tools
Windows Security App Not Working After Reset? Try These Fixes - Fix Nginx Upstream Connection Refused in Proxy Pass-Fix Firefox Secure Connection Failed DNS Error
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.