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This article describes a reliability update to fix the lock screen issue in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2. The update has prerequisites.

Resolution

To resolve this issue, we have released an update for Window 8.1, Windows RT 8.1, and Windows Server 2012 R2.

How to obtain this update

Method 1: Windows Update

This update is available from Windows Update.

Method 2: Microsoft Download Center

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

Operating system

Update

All supported x86-based versions of Windows 8.1

Download Download the package now.

All supported x64-based versions of Windows 8.1

Download Download the package now.

All supported x64-based versions of Windows Server 2012 R2

Download 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.

Update detail information

Prerequisites

To install this update, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed.

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 does not replace a previously released 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.

Windows 8.1 and Windows Server 2012 R2 file information and 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:

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.17 xxx

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

    RTM

    GDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Lockscreencontentserver.exe

6.3.9600.17552

41,296

11-Dec-2014

05:40

x86

For all supported x64-based versions of Windows 8.1 or Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Lockscreencontentserver.exe

6.3.9600.17552

46,456

11-Dec-2014

05:36

x64

For all supported Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Lockscreencontentserver.exe

6.3.9600.17552

39,280

11-Dec-2014

05:47

Not applicable


Additional file information


Additional file information for Windows 8.1 and for Windows Server 2012 R2


Additional files for all supported x86-based versions of Windows 8.1

File property

Value

File name

X86_7dcb669535fc7d080c665a600f69a2c9_31bf3856ad364e35_6.3.9600.17553_none_ea0c8618aa991235.manifest

File version

Not applicable

File size

744

Date (UTC)

11-Dec-2014

Time (UTC)

05:48

File name

X86_microsoft-windows-a..screencontentserver_31bf3856ad364e35_6.3.9600.17553_none_9c068cc3c6088698.manifest

File version

Not applicable

File size

4,026

Date (UTC)

11-Dec-2014

Time (UTC)

05:51

Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File property

Value

File name

Amd64_bb0954bff2a0bb9111f87f7cc3414327_31bf3856ad364e35_6.3.9600.17553_none_532ae9213f54c183.manifest

File version

Not applicable

File size

748

Date (UTC)

11-Dec-2014

Time (UTC)

05:48

File name

Amd64_microsoft-windows-a..screencontentserver_31bf3856ad364e35_6.3.9600.17553_none_f82528477e65f7ce.manifest

File version

Not applicable

File size

4,028

Date (UTC)

11-Dec-2014

Time (UTC)

05:54

Additional files for Windows RT 8.1

File property

Value

File name

Arm_2e7499fb3a182c63b034cf7e05a2c56c_31bf3856ad364e35_6.3.9600.17553_none_0e71ab337883eb3c.manifest

File version

Not applicable

File size

744

Date (UTC)

11-Dec-2014

Time (UTC)

05:48

File name

Arm_microsoft-windows-a..screencontentserver_31bf3856ad364e35_6.3.9600.17553_none_9c08ff1bc605a55e.manifest

File version

Not applicable

File size

4,026

Date (UTC)

11-Dec-2014

Time (UTC)

05:48




References

See the terminology that Microsoft uses to describe software updates.

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