FIX: The Taskbar is reset to the default settings when you use the "Automatically Log On" feature in Windows 7 and in Windows Server 2008 R2

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Article ID: 979155 - View products that this article applies to.
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SYMPTOMS

You configure a computer that is running Windows 7 or Windows Server 2008 R2 to automatically log on when you start the computer. When you restart the computer, any customizations that you made to the Taskbar are lost and the Taskbar is reset to its default settings.

CAUSE

This problem occurs because of a race condition between Windows Explorer and Taskhost.exe.

RESOLUTION

Hotfix information

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

To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

There are no prerequisites for installing this hotfix.

Restart information

You do not have to restart the computer after you apply this hotfix.

File information

The English (United States) version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
For all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Explorerframe.dll6.1.7600.165041,495,04015-Jan-201019:44x86
Explorerframe.dll6.1.7600.206181,495,04015-Jan-201020:03x86
For all supported x64-based versions of Windows 7 and Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Explorerframe.dll6.1.7600.165041,864,19215-Jan-201019:53x64
Explorerframe.dll6.1.7600.206181,864,19215-Jan-201020:03x64
For all supported Itanium-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Explorerframe.dll6.1.7600.165043,803,13615-Jan-201009:13IA-64
Explorerframe.dll6.1.7600.206183,803,13615-Jan-201009:33IA-64
Additional file information for all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameUpdate.mum
File versionNot Applicable
File size1,459
Date (UTC)17-Jan-2010
Time (UTC)18:24
PlatformNot Applicable
---
File nameX86_0512c2e6c0bff676bc803d56e60d7d69_31bf3856ad364e35_6.1.7600.16504_none_2c2b8b7afe99177f.manifest
File versionNot Applicable
File size701
Date (UTC)17-Jan-2010
Time (UTC)18:24
PlatformNot Applicable
---
File nameX86_355786d1b4b7daed3c3564d266fa07fd_31bf3856ad364e35_6.1.7600.20618_none_366ad443c3d6bdfa.manifest
File versionNot Applicable
File size701
Date (UTC)17-Jan-2010
Time (UTC)18:24
PlatformNot Applicable
---
File nameX86_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.16504_none_c2a8e268d4e47dba.manifest
File versionNot Applicable
File size46,850
Date (UTC)15-Jan-2010
Time (UTC)20:19
PlatformNot Applicable
---
File nameX86_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.20618_none_c32bb06fee069ed1.manifest
File versionNot Applicable
File size46,850
Date (UTC)15-Jan-2010
Time (UTC)20:52
PlatformNot Applicable
Additional file information for all supported x64-based versions of Windows 7 and Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_299456a3c3139fe7d81930bab4c2764d_31bf3856ad364e35_6.1.7600.16504_none_f6a644f2806387f5.manifest
File versionNot Applicable
File size1,052
Date (UTC)17-Jan-2010
Time (UTC)18:24
PlatformNot Applicable
---
File nameAmd64_a1ef970082e523017c1e5b82f3cc9e61_31bf3856ad364e35_6.1.7600.20618_none_539a4ae8b0a62e26.manifest
File versionNot Applicable
File size1,052
Date (UTC)17-Jan-2010
Time (UTC)18:24
PlatformNot Applicable
---
File nameAmd64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.16504_none_1ec77dec8d41eef0.manifest
File versionNot Applicable
File size46,854
Date (UTC)15-Jan-2010
Time (UTC)20:52
PlatformNot Applicable
---
File nameAmd64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.20618_none_1f4a4bf3a6641007.manifest
File versionNot Applicable
File size46,854
Date (UTC)15-Jan-2010
Time (UTC)21:03
PlatformNot Applicable
---
File nameUpdate.mum
File versionNot Applicable
File size1,467
Date (UTC)17-Jan-2010
Time (UTC)18:24
PlatformNot Applicable
---
File nameWow64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.16504_none_291c283ec1a2b0eb.manifest
File versionNot Applicable
File size46,504
Date (UTC)15-Jan-2010
Time (UTC)20:01
PlatformNot Applicable
---
File nameWow64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.20618_none_299ef645dac4d202.manifest
File versionNot Applicable
File size46,504
Date (UTC)15-Jan-2010
Time (UTC)20:25
PlatformNot Applicable
Additional file information for all supported Itanium-based versions Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_0fcbf135d99391f569f7295a598bfafc_31bf3856ad364e35_6.1.7600.20618_none_fcdcd79197cd0de7.manifest
File versionNot Applicable
File size1,050
Date (UTC)17-Jan-2010
Time (UTC)18:24
PlatformNot Applicable
---
File nameIa64_90565ff1f90a56a50989d867fdf95032_31bf3856ad364e35_6.1.7600.16504_none_473ab01f9a0196e8.manifest
File versionNot Applicable
File size1,050
Date (UTC)17-Jan-2010
Time (UTC)18:24
PlatformNot Applicable
---
File nameIa64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.16504_none_c2aa865ed4e286b6.manifest
File versionNot Applicable
File size46,852
Date (UTC)15-Jan-2010
Time (UTC)20:44
PlatformNot Applicable
---
File nameIa64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.20618_none_c32d5465ee04a7cd.manifest
File versionNot Applicable
File size46,852
Date (UTC)15-Jan-2010
Time (UTC)20:55
PlatformNot Applicable
---
File nameUpdate.mum
File versionNot Applicable
File size1,463
Date (UTC)17-Jan-2010
Time (UTC)18:24
PlatformNot Applicable
---
File nameWow64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.16504_none_291c283ec1a2b0eb.manifest
File versionNot Applicable
File size46,504
Date (UTC)15-Jan-2010
Time (UTC)20:01
PlatformNot Applicable
---
File nameWow64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.20618_none_299ef645dac4d202.manifest
File versionNot Applicable
File size46,504
Date (UTC)15-Jan-2010
Time (UTC)20:25
PlatformNot Applicable

STATUS

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

Properties

Article ID: 979155 - Last Review: October 7, 2011 - Revision: 2.0
APPLIES TO
  • Windows 7 Enterprise
  • Windows 7 Enterprise N
  • Windows 7 Professional
  • Windows 7 Professional N
  • Windows 7 Ultimate
  • Windows 7 Ultimate N
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Datacenter without Hyper-V
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Enterprise without Hyper-V
  • Windows Server 2008 R2 Standard
  • Windows Server 2008 R2 Standard without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
Keywords: 
kbfix kbbug kbexpertiseinter kbsurveynew kbqfe KB979155

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