Article ID: 2870256 - View products that this article applies to.
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Symptoms

You run a custom application on a computer that is running Windows 8.1, Windows Server 2012 R2, Windows 7, or Windows Server 2008 R2. If the app bar for the application is docked immediately above the Windows task bar, the app bar may unintentionally obscure items on the Windows task bar such as jump lists (shortcuts) and preview panes.

Resolution

To resolve this issue in Windows 8.1 and Windows Server 2012 R2, install update 2919355.
To resolve this issue in Windows 7 and Windows Server 2008 R2, install the hotfix that is described in this article.

Update information for Windows 8.1 and Windows Server 2012 R2

For more information about how to obtain update 2919355, click the following article number to view the article in the Microsoft Knowledge Base:
2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014


Hotfix information for Windows 7 and Windows Server 2008 R2

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 this specific problem.

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, submit a request to 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 Service Pack 1 for Windows 7 or Windows Server 2008 R2.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

File information

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The English (United States) 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, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
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    VersionProductSR_LevelService branch
    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, extremely important 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 Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely 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 7
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File nameFile versionFile sizeDateTimePlatform
Explorer-ppdlic.xrm-msNot applicable3,06509-Jul-201314:19Not applicable
Explorer.exe6.1.7601.223802,615,80809-Jul-201312:42x86
For all supported x64-based versions of Windows 7 and Windows Server 2008 R2
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File nameFile versionFile sizeDateTimePlatform
Explorer-ppdlic.xrm-msNot applicable3,06509-Jul-201315:11Not applicable
Explorer.exe6.1.7601.223802,870,78409-Jul-201313:13x64
For all supported IA-64-based versions of Windows Server 2008 R2
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File nameFile versionFile sizeDateTimePlatform
Explorer-ppdlic.xrm-msNot applicable3,06509-Jul-201314:11Not applicable
Explorer.exe6.1.7601.223804,213,24809-Jul-201312:39IA-64
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Status

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

References

Additional file information

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

Additional files for all supported x86-based versions of Windows 7
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File nameX86_microsoft-windows-explorer_31bf3856ad364e35_6.1.7601.22380_none_53f5e0b2f158a7fb.manifest
File versionNot applicable
File size98,185
Date (UTC)09-Jul-2013
Time (UTC)14:27
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7 and Windows Server 2008 R2
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File nameAmd64_microsoft-windows-explorer_31bf3856ad364e35_6.1.7601.22380_none_b0147c36a9b61931.manifest
File versionNot applicable
File size98,189
Date (UTC)09-Jul-2013
Time (UTC)15:18
PlatformNot applicable
File nameWow64_microsoft-windows-explorer_31bf3856ad364e35_6.1.7601.22380_none_ba692688de16db2c.manifest
File versionNot applicable
File size97,119
Date (UTC)09-Jul-2013
Time (UTC)14:17
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
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File nameIa64_microsoft-windows-explorer_31bf3856ad364e35_6.1.7601.22380_none_53f784a8f156b0f7.manifest
File versionNot applicable
File size98,187
Date (UTC)09-Jul-2013
Time (UTC)14:19
PlatformNot applicable
File nameWow64_microsoft-windows-explorer_31bf3856ad364e35_6.1.7601.22380_none_ba692688de16db2c.manifest
File versionNot applicable
File size97,119
Date (UTC)09-Jul-2013
Time (UTC)14:17
PlatformNot applicable
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Properties

Article ID: 2870256 - Last Review: April 8, 2014 - Revision: 3.0
Applies to
  • Windows 8.1 Enterprise
  • Windows 8.1 Pro
  • Windows 8.1
  • Windows Server 2012 R2 Datacenter
  • Windows Server 2012 R2 Essentials
  • Windows Server 2012 R2 Foundation
  • Windows Server 2012 R2 Standard
  • 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 Foundation
  • Windows Server 2008 R2 Standard
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbexpertiseinter kbsurveynew kbbug KB2870256

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