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Fix 'Putty Connection Refused' Error on Localhost - How to Resolve Windows Defender Gateway Error 502-How to Fix Microsoft Store Issues for Developers

Updated 2026-06-13 16:10:17developer-tools
Fix 'Putty Connection Refused' Error on Localhost - How to Resolve Windows Defender Gateway Error 502-How to Fix Microsoft Store Issues for Developers
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.