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Fix MongoDB Compass Connection Refused Error - Fix Windows Defender 502 Bad Gateway Error During Setup-Fix Windows Security Not Opening

2026-06-13 13:35:57developer-tools
Fix MongoDB Compass Connection Refused Error - Fix Windows Defender 502 Bad Gateway Error During Setup-Fix Windows Security Not Opening

Final checklist

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