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Fix Putty Connection Refused Due to Windows Firewall - Windows Update Service Configuration Checklist-Fix Windows Terminal Update Errors

Updated 2026-06-14 03:26:02developer-tools
Fix Putty Connection Refused Due to Windows Firewall - Windows Update Service Configuration Checklist-Fix Windows Terminal Update Errors
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.