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Windows Security App Won't Open in Safe Mode: Fixes - How to Restore Windows Update Service with Registry Edit-Resolve Chrome Invalid Authority SSL Error After Reinstall

Updated 2026-07-28 08:47:17office-tools
Windows Security App Won't Open in Safe Mode: Fixes - How to Restore Windows Update Service with Registry Edit-Resolve Chrome Invalid Authority SSL Error After Reinstall
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.