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Fix PuTTY Network Error: Connection Refused on Ubuntu - Fix Python Module Not Found Permission Denied Error-Windows Search Port Allocation Troubleshooting Checklist

2026-06-13 16:09:20windows-fixes
Fix PuTTY Network Error: Connection Refused on Ubuntu - Fix Python Module Not Found Permission Denied Error-Windows Search Port Allocation Troubleshooting Checklist

Final checklist

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