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Fix 'Python' Command Not Found After Reinstall on Windows - Resolve Access Denied Error 0x80070005 in Windows Update-Windows 11 Defender Real-Time Protection Won't Stay On

Updated 2026-07-28 16:05:31developer-tools
Fix 'Python' Command Not Found After Reinstall on Windows - Resolve Access Denied Error 0x80070005 in Windows Update-Windows 11 Defender Real-Time Protection Won't Stay On
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.

More repair notes

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