About servicing stack
The servicing stack includes the files and resources that are required to service a Windows image. This includes the Package Manager executable, the required servicing libraries, and other resources. The servicing stack is included in all Windows installations.
Issues that are fixed in this update
Issue 1After you install update 2966827, Microsoft .NET Framework 3.5 cannot be enabled.
Issue 2After you uninstall update 3000850 (that is released on November 18, 2014) and restart the computer, the operating system freezes during the restart.
Note When this issue occurs, you have to go into Windows Recovery Environment (WinRE), run following command at command prompt:
dism /image:C:\ /cleanup-image /revertpendingactionsThen, the removal of update 3000850 is complete, and the computer can start correctly.
How to obtain this update
Method 1: Windows UpdateThis update is available from Windows Update.
Method 2: Microsoft Download CenterThe following files are available for download from the Microsoft Download Center:
Note The .msu files must be installed to an offline image by using the DISM.exe /Add-Package option. For more information, see Operating System Package Servicing Command-Line Options.
|All supported x86-based versions of Windows 8.1||Download the package now.|
|All supported x64-based versions of Windows 8.1||Download the package now.|
|All supported x64-based versions of Windows Server 2012 R2||Download the package now.|
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online servicesMicrosoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
PrerequisitesTo install this update, you must first install update 2919355 in Windows 8.1 or Windows Server 2012 R2.
Registry informationTo apply this update, you do not have to make any changes to the registry.
Restart requirementYou may have to restart the computer after you apply this update.
Update replacement informationThis update replaces a previously released update 2989647.
Removal informationAfter you install this servicing stack update, you cannot uninstall it to revert to an earlier version of servicing stack update.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.