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How to Fix Windows Defender Error 0x80070422 - How to Fix Windows 10 Activation Permission Denied-Troubleshooting Permission Denied Errors on Windows 10/11

Updated 2026-06-13 14:28:48developer-tools
How to Fix Windows Defender Error 0x80070422 - How to Fix Windows 10 Activation Permission Denied-Troubleshooting Permission Denied Errors on Windows 10/11
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.