Can't connect to the desktop of Windows 8.1 or Windows Server 2012 R2 from a remote desktop at low screen resolution

This article describes an issue in which you can't connect to the desktop of Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2 from a remote desktop at low screen resolution. An update is available to fix this issue. Before you install this update, see the Prerequisites section.

Symptoms

This issue occurs when you use Remote Desktop Connection to connect to a Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2 desktop from a low screen resolution device. When this issue occurs, you can only see the Start screen, but you can't switch to the desktop.

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 is provided as a Recommended update on Windows Update. For more information on how to run Windows Update, see How to get an update through 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 got only from Windows Update.

For more information about how to download Microsoft support files, select 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, install April 2014, update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) in Windows 8.1 or Windows Server 2012 R2.

Registry information

To apply this update, you don't 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 doesn't replace a previously released update.

Status

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

References

Learn about the terminology that Microsoft uses to describe software updates.

File Information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). Be aware that dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time bias. The dates and times may also change when you perform certain operations on the files.

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 0.18 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 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.

Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Twinui.appcore.dll

6.3.9600.18092

773,632

16-Oct-2015

14:18

Not applicable

x86 Windows 8.1

File name

File version

File size

Date

Time

Platform

Twinui.appcore.dll

6.3.9600.18092

954,880

16-Oct-2015

14:13

x86

x64 Windows 8.1 and Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Twinui.appcore.dll

6.3.9600.18092

1,220,096

16-Oct-2015

14:18

x64

Twinui.appcore.dll

6.3.9600.18092

954,880

16-Oct-2015

14:13

x86


Windows RT 8.1

File property

Value

File name

Arm_6b08bdf5bd2d6409b7c38e5b7d167951_31bf3856ad364e35_6.3.9600.18092_none_e3343a496e0cb350.manifest

File version

Not applicable

File size

702

Date (UTC)

16-Oct-2015

Time (UTC)

21:38

Platform

Not applicable

File name

Arm_microsoft-windows-twinui-appcore_31bf3856ad364e35_6.3.9600.18092_none_265df0ce7673f6a1.manifest

File version

Not applicable

File size

15,384

Date (UTC)

16-Oct-2015

Time (UTC)

14:43

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,602

Date (UTC)

16-Oct-2015

Time (UTC)

21:38

Platform

Not applicable

x86 Windows 8.1

File property

Value

File name

Update.mum

File version

Not applicable

File size

1,602

Date (UTC)

16-Oct-2015

Time (UTC)

21:39

Platform

Not applicable

File name

X86_e462432873754c75afefd9fb83607f39_31bf3856ad364e35_6.3.9600.18092_none_5af581ab40790b71.manifest

File version

Not applicable

File size

702

Date (UTC)

16-Oct-2015

Time (UTC)

21:38

Platform

Not applicable

File name

X86_microsoft-windows-twinui-appcore_31bf3856ad364e35_6.3.9600.18092_none_265b7e767676d7db.manifest

File version

Not applicable

File size

15,384

Date (UTC)

16-Oct-2015

Time (UTC)

15:03

Platform

Not applicable

x64 Windows 8.1 and Windows Server 2012 R2

File property

Value

File name

Amd64_2d0881d369eb2e69e28ca4e991e867d7_31bf3856ad364e35_6.3.9600.18092_none_c152f03793cba47b.manifest

File version

Not applicable

File size

706

Date (UTC)

16-Oct-2015

Time (UTC)

21:39

Platform

Not applicable

File name

Amd64_e8fd89914ecc6fd8f4af1dcc23df7b21_31bf3856ad364e35_6.3.9600.18092_none_936a3ee9fc4c2179.manifest

File version

Not applicable

File size

706

Date (UTC)

16-Oct-2015

Time (UTC)

21:39

Platform

Not applicable

File name

Amd64_microsoft-windows-twinui-appcore_31bf3856ad364e35_6.3.9600.18092_none_827a19fa2ed44911.manifest

File version

Not applicable

File size

15,388

Date (UTC)

16-Oct-2015

Time (UTC)

15:14

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,289

Date (UTC)

16-Oct-2015

Time (UTC)

21:39

Platform

Not applicable

File name

Wow64_microsoft-windows-twinui-appcore_31bf3856ad364e35_6.3.9600.18092_none_8ccec44c63350b0c.manifest

File version

Not applicable

File size

15,388

Date (UTC)

16-Oct-2015

Time (UTC)

15:03

Platform

Not applicable


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