potential windows update database error

https://answers.microsoft.com/en-us/windows/forum/windows_rt-update/potential-windows-update-database-error-detected/bd9d21c1-ffe9-444b-bbbd-02d37fa76310

https://support.microsoft.com/ko-kr/help/947821/fix-windows-update-errors-by-using-the-dism-or-system-update-readiness?wa=wsignin1.0