Summary
This update includes improvements and fixes to enhance the functionality of Windows 10 Version 1511.
Windows 10 updates are cumulative. Therefore, this package contains all previously released fixes.
If you have installed previous updates, only the new fixes that are contained in this package will be downloaded and installed to your computer. If you're installing a Windows 10 update package for the first time, the package for the x86 version is 503 MB and the package for the x64 version is 905 MB.
Issue fixed in this update
Explorer process might go unresponsive under the following conditions:
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The Windows 10 Version 1511 computer is running behind a firewall.
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All traffic for http and https are routed through a proxy in the environment.
This issue occurs because the reference count of an object that's instantiated doesn't decrement to 0.
How to get this update
Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.
Microsoft Update Catalog
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
Prerequisites
There are no prerequisites for installing this update.
Restart information
You may be prompted to restart the computer after you apply this update.
Update replacement information
This update replaces the previously released update 3172985.
File Information
For a list of the files that are provided in this cumulative update, download the file information for cumulative update 3172988.
References
Learn about the terminology that Microsoft uses to describe software updates.
