Microsoft has released the KB4598298 update for all editions of Windows 10 and Windows Server versions 1809 and 1909. The non-security preview cumulative update fixes for unexpected system restart issues, system crashes due to BitLocker, and multiple LSASS issues. After installing this update, Windows 10, version 1909 will be updated to build 18363.1350. The update can also be downloaded manually from the Microsoft Catalog. To install it manually, open Windows Update and perform a manual ‘Check for updates’
Source: https://www.bleepingcomputer.com/news/microsoft/windows-10-kb4598298-update-fixes-crashes-and-restart-issues/