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Fix Windows Security App Not Starting on Windows 11 - Troubleshoot Windows Explorer Restart Loops and Slowdowns-How to Restart Windows Update After SFC Scan

Updated 2026-07-28 14:59:09developer-tools
Fix Windows Security App Not Starting on Windows 11 - Troubleshoot Windows Explorer Restart Loops and Slowdowns-How to Restart Windows Update After SFC Scan
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.