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Fix Microsoft Store Proxy Error: Cannot Connect - Outlook Setup Checklist for Beginners-Fix Windows Defender Port Already Allocated Error in Command Line

Updated 2026-06-15 13:01:11macos-help
Fix Microsoft Store Proxy Error: Cannot Connect - Outlook Setup Checklist for Beginners-Fix Windows Defender Port Already Allocated Error in Command Line
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.