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Fix 'Port Already Allocated' Error in Windows Defender - Fix Defender Rate Limit Caused by Group Policy-Fix Windows Terminal Port Already Allocated Permission Denied

Updated 2026-06-13 19:03:49developer-tools
Fix 'Port Already Allocated' Error in Windows Defender - Fix Defender Rate Limit Caused by Group Policy-Fix Windows Terminal Port Already Allocated Permission Denied
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.