Key labels on an on-screen keyboard are displayed incorrectly on a computer that is running Windows 7 or Windows Server 2008 R2

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Article ID: 2727998 - View products that this article applies to.
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Symptoms

Consider the following scenario:
  • You set the on-screen keyboard layout to 106 Japanese on a computer that is running Windows 7 or Windows Server 2008 R2.
  • You run an application that calls the CreateDesktop() function to create a new desktop.
  • The application calls the Keybd_event() function or the SendInput() function to change the state of the Caps Lock key.
In this scenario, the wrong key labels are displayed intermittently on the on-screen keyboard. For example, the key labels are displayed in lowercase letters when the labels are supposed to be displayed in uppercase letters.

Resolution

Hotfix information

Important This hotfix has been re-released to address an issue in which the digital signature on files produced and signed by Microsoft will expire prematurely, as described in Microsoft Security Advisory 2749655.

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must be running Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 SP1. For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

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

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global version of this hotfix 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 7 and Windows Server 2008 R2 file information notes
Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • 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:
    Collapse this tableExpand this table
    VersionProductMilestoneService branch
    6.1.760 1.17xxxWindows 7 and Windows Server 2008 R2SP1GDR
    6.1.760 1.22xxxWindows 7 and Windows Server 2008 R2SP1LDR
  • 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 for Windows 7 and for Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. 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 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Tabskb.dll6.1.7601.17873399,36026-Jun-201206:41x86
Tabskb.dll6.1.7601.22031399,36026-Jun-201204:23x86
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Tabskb.dll6.1.7601.17873449,02426-Jun-201205:40x64
Tabskb.dll6.1.7601.22031449,02426-Jun-201205:27x64
For all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Tabskb.dll6.1.7601.17873643,58426-Jun-201204:11IA-64
Tabskb.dll6.1.7601.22031643,58426-Jun-201204:26IA-64

Status

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

More information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameUpdate-bf.mum
File versionNot Applicable
File size1,599
Date (UTC)17-Sep-2012
Time (UTC)13:05
PlatformNot Applicable
File nameUpdate.mum
File versionNot Applicable
File size1,625
Date (UTC)17-Sep-2012
Time (UTC)13:05
PlatformNot Applicable
File nameX86_18535790279f986be551a9da2075d533_31bf3856ad364e35_6.1.7601.22031_none_b0a1b4ac064ad9e7.manifest
File versionNot Applicable
File size709
Date (UTC)17-Sep-2012
Time (UTC)13:05
PlatformNot Applicable
File nameX86_c6a18bf292aa9b1be1ad5967e572be55_31bf3856ad364e35_6.1.7601.17873_none_3f1d4ca0a9bc48bc.manifest
File versionNot Applicable
File size709
Date (UTC)17-Sep-2012
Time (UTC)13:05
PlatformNot Applicable
File nameX86_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_6.1.7601.17873_none_d3773fc5afd07104.manifest
File versionNot Applicable
File size60,515
Date (UTC)26-Jun-2012
Time (UTC)07:58
PlatformNot Applicable
File nameX86_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_6.1.7601.22031_none_d429f3cec8cfa19e.manifest
File versionNot Applicable
File size60,515
Date (UTC)26-Jun-2012
Time (UTC)05:04
PlatformNot Applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_734f393d746f6987896413cd803e95d2_31bf3856ad364e35_6.1.7601.22031_none_fbf8fb1fbb26418c.manifest
File versionNot Applicable
File size713
Date (UTC)17-Sep-2012
Time (UTC)13:05
PlatformNot Applicable
File nameAmd64_9aa2b98675c9a953194fd36a5d6bdf9b_31bf3856ad364e35_6.1.7601.17873_none_9dfb9b42ba1d5b46.manifest
File versionNot Applicable
File size713
Date (UTC)17-Sep-2012
Time (UTC)13:05
PlatformNot Applicable
File nameAmd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_6.1.7601.17873_none_2f95db49682de23a.manifest
File versionNot Applicable
File size60,519
Date (UTC)26-Jun-2012
Time (UTC)07:56
PlatformNot Applicable
File nameAmd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_6.1.7601.22031_none_30488f52812d12d4.manifest
File versionNot Applicable
File size60,519
Date (UTC)26-Jun-2012
Time (UTC)06:10
PlatformNot Applicable
File nameUpdate-bf.mum
File versionNot Applicable
File size1,609
Date (UTC)17-Sep-2012
Time (UTC)13:05
PlatformNot Applicable
File nameUpdate.mum
File versionNot Applicable
File size1,635
Date (UTC)17-Sep-2012
Time (UTC)13:05
PlatformNot Applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_228b6d5652476e41f1a4ba2203752434_31bf3856ad364e35_6.1.7601.22031_none_f3de9fc80811c0fc.manifest
File versionNot Applicable
File size711
Date (UTC)17-Sep-2012
Time (UTC)13:04
PlatformNot Applicable
File nameIa64_dcdf205eff1d4c35a55c4df55ecac984_31bf3856ad364e35_6.1.7601.17873_none_0469a3b7ca833122.manifest
File versionNot Applicable
File size711
Date (UTC)17-Sep-2012
Time (UTC)13:04
PlatformNot Applicable
File nameIa64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_6.1.7601.17873_none_d378e3bbafce7a00.manifest
File versionNot Applicable
File size60,517
Date (UTC)26-Jun-2012
Time (UTC)07:46
PlatformNot Applicable
File nameIa64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_6.1.7601.22031_none_d42b97c4c8cdaa9a.manifest
File versionNot Applicable
File size60,517
Date (UTC)26-Jun-2012
Time (UTC)05:44
PlatformNot Applicable
File nameUpdate-bf.mum
File versionNot Applicable
File size1,425
Date (UTC)17-Sep-2012
Time (UTC)13:05
PlatformNot Applicable
File nameUpdate.mum
File versionNot Applicable
File size1,447
Date (UTC)17-Sep-2012
Time (UTC)13:04
PlatformNot Applicable

Properties

Article ID: 2727998 - Last Review: October 11, 2012 - Revision: 4.0
Applies to
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 for Itanium-Based Systems
  • Windows Server 2008 R2 Foundation
  • Windows Server 2008 R2 Standard
  • Windows Web Server 2008 R2
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertisebeginner KB2727998

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