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Fix pgAdmin Cannot Connect to PostgreSQL on Localhost - Troubleshoot Windows Defender Permissions Blank Screen-Fix 502 Bad Gateway Nginx from Command Line

2026-06-13 18:16:23
Fix pgAdmin Cannot Connect to PostgreSQL on Localhost - Troubleshoot Windows Defender Permissions Blank Screen-Fix 502 Bad Gateway Nginx from Command Line

Result check

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