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Fix PostgreSQL Connection Refused Due to Firewall - MongoDB Compass: Authentication Failed vs Connection Refused-How to Sync Windows Defender Versions on Multiple PCs

Updated 2026-06-13 16:51:29developer-tools
Fix PostgreSQL Connection Refused Due to Firewall - MongoDB Compass: Authentication Failed vs Connection Refused-How to Sync Windows Defender Versions on Multiple PCs
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.