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How to Fix Windows Defender Error 0x80070422 - Troubleshoot Windows Defender Connection Refused-Disable Windows Defender Real-Time Protection via Group Policy

2026-06-13 14:14:34macos-help
How to Fix Windows Defender Error 0x80070422 - Troubleshoot Windows Defender Connection Refused-Disable Windows Defender Real-Time Protection via Group Policy

Final checklist

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

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