https://www.bleepingcomputer.com/news/microsoft/microsoft-releases-windows-10-cumulative-updates-kb4343909-and-kb4343897/

Microsoft has started rolling out new cumulative updates for Windows 10 April 2018 Update (version 1803) and Windows 10 Fall Creators Update (version 1709). The update fixes a variety of issues in Windows 10. 

To install the latest patch on your system, head to Settings -> Update & Security -> Windows Update and select Check for updates. As always, you can download and install this update manually from here.