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Fix Windows Security Invalid Configuration Error - Cloudflare Tunnel Broken After Update: Steps-Fix PostgreSQL Connection Refused Due to Firewall

Updated 2026-06-13 17:36:16cloud-software
Fix Windows Security Invalid Configuration Error - Cloudflare Tunnel Broken After Update: Steps-Fix PostgreSQL Connection Refused Due to 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.