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Fix Nginx Configuration Test Failed: Duplicate Listen Error - Error 0x800f081f Solution: Restore Missing Update Components-Stop Blue Screen on Windows 11 Update Using DISM

Updated 2026-07-28 14:05:12developer-tools
Fix Nginx Configuration Test Failed: Duplicate Listen Error - Error 0x800f081f Solution: Restore Missing Update Components-Stop Blue Screen on Windows 11 Update Using DISM
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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