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Fix Windows Defender DNS Error Not Working - Windows Security Rate Limiting: How to Disable-Troubleshoot 504 Gateway Timeout in Windows Security App

2026-06-13 14:07:16developer-tools
Fix Windows Defender DNS Error Not Working - Windows Security Rate Limiting: How to Disable-Troubleshoot 504 Gateway Timeout in Windows Security App

Final checklist

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