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Fix Nginx 502 Bad Gateway: Upstream Connection Refused - How to Show Hidden Icons on Taskbar in Windows 10-How to Fix ERR_NAME_NOT_RESOLVED in Chrome on Windows 10

Updated 2026-07-28 09:41:49developer-tools
Fix Nginx 502 Bad Gateway: Upstream Connection Refused - How to Show Hidden Icons on Taskbar in Windows 10-How to Fix ERR_NAME_NOT_RESOLVED in Chrome on Windows 10
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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