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Windows Security Antivirus Configuration for Beginners - Chrome Extensions Permission Denied Fix-How to Resolve Connection Refused on localhost in CMD

2026-06-13 18:09:06developer-tools
Windows Security Antivirus Configuration for Beginners - Chrome Extensions Permission Denied Fix-How to Resolve Connection Refused on localhost in CMD

Final checklist

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