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Fix Windows Security Not Starting Automatically After Boot - Fix 'Connection Refused' in Microsoft Store on Windows 11-Fix Windows Defender Service Not Starting

Updated 2026-06-13 16:12:38developer-tools
Fix Windows Security Not Starting Automatically After Boot - Fix 'Connection Refused' in Microsoft Store on Windows 11-Fix Windows Defender Service Not Starting
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.