May 2014 servicing stack update for Windows 8.1 and Windows Server 2012 R2

This article describes a servicing stack update for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2.

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.

Note We recommend that you install update 3021910 as it contains additional improvements that more comprehensively fixes the problem than this update.

Issue that’s fixed in this update

When you install update 2919355 or a security update such as update 2920189, you receive an error that resembles the following:

Cause

Cause 1

This issue occurs because a process keeps a file in the component store open. Therefore, the file cannot be deleted or overwritten.

Cause 2

This issue occurs because the optional BitLocker component is not installed.

Resolution

To resolve this issue, install the update that is described in this article.

Update information

How to obtain this update

Windows Update

This update is available from Windows Update.

Microsoft Download Center

The following files are available for download from the Microsoft Download Center:

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.

Note The update for Windows RT 8.1 can be obtained only from Windows Update.

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 services Microsoft 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.

Prerequisites

There are no prerequisites for installing this update.

Registry information

To apply this update, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update replaces a previously released update 2969339.

Removal information

After you install this update, you cannot uninstall it to revert to an earlier version of the update.

The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Note The files in the update package may be added to the %windir%\WinSxS\ folder instead of the %windir%\System32\ folder.

Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 file information notes

The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2