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Fix 'Authentication Failed' Errors in Windows Server CMD - Reduce CPU Load from Microsoft Store-Windows Defender Won't Turn On: 0x80070422 Troubleshooting

Updated 2026-06-19 04:55:36developer-tools
Fix 'Authentication Failed' Errors in Windows Server CMD - Reduce CPU Load from Microsoft Store-Windows Defender Won't Turn On: 0x80070422 Troubleshooting
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.