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Fixing 'Access Denied' Errors When Running PowerShell Scripts - Fix 'Not Recognized as Internal or External Command' Error-Resolve 'File Locked by System' in Windows Defender

Updated 2026-06-14 15:29:43macos-help
Fixing 'Access Denied' Errors When Running PowerShell Scripts - Fix 'Not Recognized as Internal or External Command' Error-Resolve 'File Locked by System' in Windows Defender
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.