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Fix Windows Security Loading Forever Error - Windows Defender Won't Auto-Start in Windows 10-Resolve Port Already in Use Error on Windows Activation

Updated 2026-06-15 11:59:07macos-help
Fix Windows Security Loading Forever Error - Windows Defender Won't Auto-Start in Windows 10-Resolve Port Already in Use Error on Windows Activation
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.