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Fix Windows Defender Access Denied in Safe Mode - Windows Defender Error 0x80070422: How to Fix-Fix Windows Security File Locked Error

Updated 2026-06-13 14:30:28browser-issues
Fix Windows Defender Access Denied in Safe Mode - Windows Defender Error 0x80070422: How to Fix-Fix Windows Security File Locked Error
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.