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Fix pgAdmin Cannot Connect to PostgreSQL on Localhost - Windows Terminal Proxy Authentication Error Solutions-How to Solve 502 Bad Gateway in Windows Terminal via Firewall

Updated 2026-06-14 01:57:40macos-help
Fix pgAdmin Cannot Connect to PostgreSQL on Localhost - Windows Terminal Proxy Authentication Error Solutions-How to Solve 502 Bad Gateway in Windows Terminal via Firewall
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.