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Windows Defender Authentication Failed: Step-by-Step Checklist - Windows Terminal Port Conflict Troubleshooting-Command Prompt Stuck on Loading? Try These Steps

Updated 2026-06-13 20:41:38browser-issues
Windows Defender Authentication Failed: Step-by-Step Checklist - Windows Terminal Port Conflict Troubleshooting-Command Prompt Stuck on Loading? Try These Steps
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.