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How to Set Up a Proxy for Windows Update to Avoid Errors - Resolve Windows Update 'Connection Refused' Error-Windows Defender Firewall Blocking Connection: Troubleshooting Guide

2026-06-13 16:56:34macos-help
How to Set Up a Proxy for Windows Update to Avoid Errors - Resolve Windows Update 'Connection Refused' Error-Windows Defender Firewall Blocking Connection: Troubleshooting Guide

Final checklist

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