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Fix Windows Defender SSL Certificate Errors After Update - Windows Security 404 Error on Boot Fix-Redis Connection Refused: Troubleshooting Checklist

2026-06-13 17:02:58windows-fixes
Fix Windows Defender SSL Certificate Errors After Update - Windows Security 404 Error on Boot Fix-Redis Connection Refused: Troubleshooting Checklist

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.