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Fix Windows Defender 404 Not Found After Update - Fix Microsoft Store 'Failed to Start' Permission Denied Error-How to Back Up Windows Terminal Configuration

2026-06-13 15:59:16office-tools
Fix Windows Defender 404 Not Found After Update - Fix Microsoft Store 'Failed to Start' Permission Denied Error-How to Back Up Windows Terminal Configuration

Final checklist

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