Desktop shortcut menu may not work as expected on a multiple monitor system that uses high DPI setting in Windows

This article describes an issue in which the shortcut menu may not work as expected in Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2. An update is available to resolve this issue. Before you install this update, check out the Prerequisites section.

Symptoms

Consider the following scenario:

  • You have a Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2 system that has a touch screen and high DPI scaling.

  • You attach an external monitor that has low DPI scaling, and then you select the duplicate mode.

  • You set the display configuration to one of the following options:

    • PC screen only

    • Duplicate

    • Extend

    • Second screen only

  • After the displays are rescaled, you access the desktop shortcut menu.

  • You click the desktop outside the shortcut menu, and then you try to dismiss the shortcut menu.

In this scenario, the shortcut menu is not dismissed. Instead, an item of the shortcut menu is selected.

How to obtain this update

Important Do not install a language pack after you install this update. If you do, the language-specific changes in the update will not be applied, and you will have to reinstall the update. For more information, see Add language packs to Windows.

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 in Windows 8.1 or Windows Server 2012 R2.

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

  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • 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

Win32k.ptxml

Not applicable

4,213

21-Aug-2013

23:39

Not applicable

Win32k.sys

6.3.9600.17729

3,544,064

14-Mar-2015

01:20

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

Win32k.ptxml

Not applicable

4,213

22-Aug-2013

06:44

Not applicable

Win32k.sys

6.3.9600.17729

4,179,968

14-Mar-2015

02:03

x64

Wow64_win32k.ptxml

Not applicable

4,213

21-Aug-2013

23:39

Not applicable

For all supported Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Win32k.ptxml

Not applicable

4,213

21-Aug-2013

23:33

Not applicable

Win32k.sys

6.3.9600.17729

3,109,888

14-Mar-2015

00:45

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_4918803a2a5d38e7d12503fcd289c78d_31bf3856ad364e35_6.3.9600.17729_none_897a631282c8ff57.manifest

File version

Not applicable

File size

694

Date (UTC)

14-Mar-2015

Time (UTC)

08:34

Platform

Not applicable

File name

X86_microsoft-windows-win32k_31bf3856ad364e35_6.3.9600.17729_none_4dd9100bb5eb4448.manifest

File version

Not applicable

File size

125,375

Date (UTC)

14-Mar-2015

Time (UTC)

02:19

Platform

Not applicable


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

File property

Value

File name

Amd64_a0988b5770f5c2445877f27c471da5e0_31bf3856ad364e35_6.3.9600.17729_none_ded860450c4444d4.manifest

File version

Not applicable

File size

698

Date (UTC)

14-Mar-2015

Time (UTC)

08:34

Platform

Not applicable

File name

Amd64_d70af4bf2a448e4bac705d277d3b5dc7_31bf3856ad364e35_6.3.9600.17729_none_e43757c2f87d23db.manifest

File version

Not applicable

File size

698

Date (UTC)

14-Mar-2015

Time (UTC)

08:34

Platform

Not applicable

File name

Amd64_microsoft-windows-win32k_31bf3856ad364e35_6.3.9600.17729_none_a9f7ab8f6e48b57e.manifest

File version

Not applicable

File size

125,379

Date (UTC)

14-Mar-2015

Time (UTC)

03:01

Platform

Not applicable

File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.3.9600.17729_none_b44c55e1a2a97779.manifest

File version

Not applicable

File size

124,646

Date (UTC)

14-Mar-2015

Time (UTC)

02:18

Platform

Not applicable


Additional files for all supported Windows RT 8.1

File property

Value

File name

Arm_326c9c7f0f73003a41589cf57f8eb81c_31bf3856ad364e35_6.3.9600.17729_none_64dac267e12bb27f.manifest

File version

Not applicable

File size

694

Date (UTC)

14-Mar-2015

Time (UTC)

08:34

Platform

Not applicable

File name

Arm_microsoft-windows-win32k_31bf3856ad364e35_6.3.9600.17729_none_4ddb8263b5e8630e.manifest

File version

Not applicable

File size

125,375

Date (UTC)

14-Mar-2015

Time (UTC)

01:23

Platform

Not applicable




Workaround

To work around this issue, use one of the following methods:

  • Click inside the shortcut menu to select an item.

  • Enable the Let me choose one scaling level for all my displays option. To do this, follow these steps:

    1. In Control Panel, click Appearance and Personalization, and then click Display.

    2. Select the Let me choose one scaling level for all my displays check box.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

See the terminology that Microsoft uses to describe software updates.

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