https://www.bleepingcomputer.com/news/microsoft/windows-10-kb4598298-update-fixes-crashes-and-restart-issues/

Microsoft has released the KB4598298 update for all editions of Windows 10 and Windows Server versions 1809 and 1909, with fixes for unexpected system restart issues, system crashes due to BitLocker, and multiple LSASS issues.

After installing the KB4598298 non-security preview cumulative update you may experience issues with system and user certificates getting lost if updating from Windows 10 1809 or later versions using outdated update media.