Summary
This security update includes improvements and fixes in the functionality of Windows 10 Version 1511 and Windows Server 2016 Technical Preview 4. It also resolves the following vulnerabilities in Windows:
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3175677 MS16-094: Security update for secure boot: July 12, 2016
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3171910 MS16-092: Security update for Windows Kernel: July 12, 2016
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3170048 MS16-091: Security update for .Net Framework: July 12, 2016
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3171481 MS16-090: Security update for Kernel Mode Drivers: July 12, 2016
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3170050 MS16-089: Security update for Windows secure kernel mode: July 12, 2016
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3170005 MS16-087: Security update for the Microsoft Print Spooler: July 12, 2016
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3169999 MS16-085: Cumulative security update for Microsoft Edge: July 12, 2016
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3169991 MS16-084: Cumulative security update for Internet Explorer: July 12, 2016
Windows 10 and Windows Server 2016 updates are cumulative. Therefore, this package contains all previously released fixes. If you have installed earlier updates, only the new fixes that are contained in this package will be downloaded and installed on your computer. If you are installing a Windows 10 update package for the first time, the package for the x86 version is 501 MB and the package for the x64 version is 914 MB.
Known issues in this update
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Issue 1Some users who have Bitlocker have reported that their computers do not always start up to the BitLocker password entry screen. Instead, the computer sometimes starts up to a solid blue screen or an orange screen that has white stripes. The Bitlocker password entry field is still available, but hidden by the blue or orange and white screen. If you experience this issue, type your Bitlocker password and then press Enter to start the computer. Then, type the following command at an elevated command prompt to ensure that the font files that are needed to start the computer are synched correctly to the system partition:
bfsvc.exe %windir%\boot /v For more information about how to open an elevated command prompt, visit the following Microsoft webpage:
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.
Method 1: Windows Update
This update 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.
Prerequisites
There are no prerequisites for installing this update.
Restart information
You must restart the computer after you apply this update.
Update replacement information
This update replaces the following previously released update:
3163018 Cumulative Update for Windows 10 version 1511 and Windows Server 2016 Technical Preview 4: June 14, 2016
File Information
For a list of the files that are provided in this cumulative update, download the file information for cumulative update 3172985.
References
Learn about the terminology that Microsoft uses to describe software updates.
