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Fix Windows 11 Blue Screen After Update with System Restore - How to Fix Nginx Permission Denied Errors-Fix Windows Defender Real-Time Protection Not Starting

Updated 2026-07-28 13:25:31developer-tools
Fix Windows 11 Blue Screen After Update with System Restore - How to Fix Nginx Permission Denied Errors-Fix Windows Defender Real-Time Protection Not Starting
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.