Servicing stack update for Windows 7 SP1 and Server 2008 R2 SP1: December 10, 2019
Applies to: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1
Summary
This update makes quality improvements to the servicing stack, which is the component that installs Windows updates.
We strongly recommend you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). Installing servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft security fixes.
How to get this update
Method 1: Windows Update
This update is available through Windows Update. It will be downloaded and installed automatically.
Method 2: Microsoft Update Catalog
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
Method 3: Windows Server Update Services
This update is also available through Windows Server Update Services (WSUS).
Prerequisites
There are no prerequisites to apply this update.
Restart information
You don't have to restart your computer after you apply this update.
Update replacement information
This update replaces the previously released update KB 4523206.
Source: https://support.microsoft.com/en-us/...er-2008-r2-sp1
Direct download links for KB4531786 MSU file from Microsoft Update Catalog:
Download KB4531786 MSU for Windows 7 32-bit (x86) - 4.0 MB
Download KB4531786 MSU for Windows 7 64-bit (x64) - 9.1 MB