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Fix 'Putty Connection Refused' Error on Localhost - pgAdmin Remote Server Connection Setup Guide-Resolve Windows Defender Proxy Issue Windows 10

2026-06-13 14:13:30macos-help
Fix 'Putty Connection Refused' Error on Localhost - pgAdmin Remote Server Connection Setup Guide-Resolve Windows Defender Proxy Issue Windows 10

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.