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Fix Windows Defender Port Already Allocated Registry Error - Microsoft Store Stuck on Loading Screen Fix-Fix Defender Issues by Clearing Cache

Updated 2026-06-13 14:29:28developer-tools
Fix Windows Defender Port Already Allocated Registry Error - Microsoft Store Stuck on Loading Screen Fix-Fix Defender Issues by Clearing Cache
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.