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Fix Windows Store Error 0x80073cf9-Windows Defender Real-Time Protection Won’t Turn Off: Fixes

2026-06-13 10:01:52
Fix Windows Store Error 0x80073cf9-Windows Defender Real-Time Protection Won’t Turn Off: Fixes

Final checklist

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

More checklist guides

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