This update replaces the previously released update KB4592510. Servicing stack updates (SSUs) make changes to how updates are installed and cannot be uninstalled from the device. You do not have to restart your device after you apply this update. For more information about the latest SSU updates, see ADV990001 | Latest Servicing Stack Updates. You must have the servicing stack update (SSU) ( KB4490628) that is dated Maor a later SSU update installed. For more information about SHA-2 updates, see 2019 SHA-2 Code Signing Support requirement for Windows and WSUS. If you use Windows Update, the latest SHA-2 update will be offered to you automatically. You must have the SHA-2 update ( KB4474419) that is dated Septemor a later SHA-2 update installed and then restart your device before you apply this update. If you use Windows Update, these updates will be offered automatically as needed. You must have the following updates installed before you apply this update. This update is also available through Windows Server Update Services (WSUS). To get the stand-alone package for this update, go to the Microsoft Update Catalog website. It will be downloaded and installed automatically. This update is available through Windows Update. Servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Windows Server 2008 R2 Service Pack 1 (Server Core installation) for 圆4-based systems Windows Server 2008 R2 Service Pack 1 for 圆4-based systems Windows 7 Service Pack 1 for 圆4-based systems Windows 7 Service Pack 1 for x86-based systems Verify that you have installed the required updates listed in the How to get this update section before installing this update. Windows Thin PC reached the end of mainstream support in in October 2016 and is in extended support. Windows Embedded POSReady 7 reached the end of mainstream support in October 2016 and is in extended support. Windows Embedded Standard 7 reached the end of mainstream support in October 2020 and is now in extended support. Windows 7 and Windows Server 2008 R2 have reached the end of mainstream support in January 2020 and are now in extended support.

Kb4474419 and kb4490628