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Fix 'Permission Denied' Error on Windows Update Migration Folder - How to Fix Windows Defender Security Center Launch Issues-Troubleshooting Windows Defender Blank Screen

2026-06-13 15:28:08macos-help
Fix 'Permission Denied' Error on Windows Update Migration Folder - How to Fix Windows Defender Security Center Launch Issues-Troubleshooting Windows Defender Blank Screen

Final checklist

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