Microsoft released cumulative update KB4509479 (OS Build 17763.593) and update KB4502559 for Windows 10 October 2018 Update (version 1809) and Windows Server 2019 (1809). How to download and install a new build.
Microsoft released KB4509479 update package for Windows 10 version 1809 (October 2018 Update) based on x86, x64 (amd64), ARM64 and Windows Server 2019 (1809) processors for x64-based systems.
KB4502559, a cumulative .NET Framework 3.5, 4.7.2, and 4.8 update for Windows 10, version 1809, and Windows Server 2019, is also available for installation.
Improvements and fixes of KB4509479 (17763.593)
Fixed an issue that blocked connecting devices to some Storage Area Network (SAN) devices using the iSCSI interface after installing KB4497934. An error with identifier 43 from iScsiPrt and the wording could appear in the Windows log. The target could not respond to the login request in time.
You can also download the KB4509479 and KB4502559 updates from the Microsoft Update Catalog and install them manually using the link below: