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Fix Windows Security Service Configuration Error - Windows Defender Performance: Disable Real-Time Protection-Fix Windows Security Invalid Configuration Permission Denied

2026-06-13 15:24:29cloud-software
Fix Windows Security Service Configuration Error - Windows Defender Performance: Disable Real-Time Protection-Fix Windows Security Invalid Configuration Permission Denied

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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