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How to Clear DNS Cache to Fix ERR_NAME_NOT_RESOLVED - How to Resolve Defender Configuration Error-How to Flush DNS to Fix Chrome Connection Reset

Updated 2026-07-28 14:02:52office-tools
How to Clear DNS Cache to Fix ERR_NAME_NOT_RESOLVED - How to Resolve Defender Configuration Error-How to Flush DNS to Fix Chrome Connection Reset
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.