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Fix Blue Screen Loop After Windows 11 Update - Nginx 502 Bad Gateway: Connection Refused to localhost-How to Fix Windows Update Error 0x800f081f

Updated 2026-07-28 14:37:43developer-tools
Fix Blue Screen Loop After Windows 11 Update - Nginx 502 Bad Gateway: Connection Refused to localhost-How to Fix Windows Update Error 0x800f081f
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.