On March 1, Microsoft released cumulative update KB4486553 for Windows October 10, 2018 Update (version 1809), Windows 10 LTSC 2019, and Windows Server 2019 (1809), which fixes errors in the .NET Framework 3.5 and 4.7.2.
Microsoft released the cumulative .NET Framework update KB4486553 for Windows 10 version 1809 (October 2018 Update) and Windows 10 LTSC 2019 based on x86, x64 (amd64) processors, as well as Windows Server 2019 (1809) for x64-based systems.
Recall that with the release of Windows 10 October 2018 Update (version 1809), updates to the .NET Framework are delivered in a cumulative update format similar to updates for Windows 10.
Installation via Windows Update
Cumulative update 4486553 for PC is installed installed manually through Windows Update. To check, go to Options> Update and Security and click Check for Updates. To complete the installation, you will need to restart the computer.
Improvements and fixes KB4486553
This update includes quality updates. New features of the system are not presented. List of key changes.
Also note that for Windows 10 (version 1809) the cumulative update KB4482887 (Build 17763.348) has become available, which is installed manually through Windows Update.
You can download the file below:x64 download update
x86 download update
Windows Server 2019 download update