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Fix 'Access Denied' Error in Windows Update on Windows 10 - Windows Defender Threat Service Stopped: Step-by-Step Checklist-How to Resolve Windows Defender Update Errors

2026-06-13 13:30:26office-tools
Fix 'Access Denied' Error in Windows Update on Windows 10 - Windows Defender Threat Service Stopped: Step-by-Step Checklist-How to Resolve Windows Defender Update Errors

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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