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Fix pgAdmin 'Unable to Connect to Server' on Port 5432 - Debugging Invalid Parameter in Nginx Listen Directive-How to Repair Windows Defender (Windows Security) in Windows 10/11

2026-06-13 14:59:35
Fix pgAdmin 'Unable to Connect to Server' on Port 5432 - Debugging Invalid Parameter in Nginx Listen Directive-How to Repair Windows Defender (Windows Security) in Windows 10/11

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.