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=supportNote 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
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Explorerframe.dll |
6.1.7600.16504 |
1,495,040 |
15-Jan-2010 |
19:44 |
x86 |
|
Explorerframe.dll |
6.1.7600.20618 |
1,495,040 |
15-Jan-2010 |
20:03 |
x86 |
For all supported x64-based versions of Windows 7 and Windows Server 2008 R2
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Explorerframe.dll |
6.1.7600.16504 |
1,864,192 |
15-Jan-2010 |
19:53 |
x64 |
|
Explorerframe.dll |
6.1.7600.20618 |
1,864,192 |
15-Jan-2010 |
20:03 |
x64 |
For all supported Itanium-based versions of Windows Server 2008 R2
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Explorerframe.dll |
6.1.7600.16504 |
3,803,136 |
15-Jan-2010 |
09:13 |
IA-64 |
|
Explorerframe.dll |
6.1.7600.20618 |
3,803,136 |
15-Jan-2010 |
09:33 |
IA-64 |
Additional file information for all supported x86-based versions of Windows 7
|
File name |
Update.mum |
|
File version |
Not Applicable |
|
File size |
1,459 |
|
Date (UTC) |
17-Jan-2010 |
|
Time (UTC) |
18:24 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
X86_0512c2e6c0bff676bc803d56e60d7d69_31bf3856ad364e35_6.1.7600.16504_none_2c2b8b7afe99177f.manifest |
|
File version |
Not Applicable |
|
File size |
701 |
|
Date (UTC) |
17-Jan-2010 |
|
Time (UTC) |
18:24 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
X86_355786d1b4b7daed3c3564d266fa07fd_31bf3856ad364e35_6.1.7600.20618_none_366ad443c3d6bdfa.manifest |
|
File version |
Not Applicable |
|
File size |
701 |
|
Date (UTC) |
17-Jan-2010 |
|
Time (UTC) |
18:24 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
X86_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.16504_none_c2a8e268d4e47dba.manifest |
|
File version |
Not Applicable |
|
File size |
46,850 |
|
Date (UTC) |
15-Jan-2010 |
|
Time (UTC) |
20:19 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
X86_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.20618_none_c32bb06fee069ed1.manifest |
|
File version |
Not Applicable |
|
File size |
46,850 |
|
Date (UTC) |
15-Jan-2010 |
|
Time (UTC) |
20:52 |
|
Platform |
Not Applicable |
Additional file information for all supported x64-based versions of Windows 7 and Windows Server 2008 R2
|
File name |
Amd64_299456a3c3139fe7d81930bab4c2764d_31bf3856ad364e35_6.1.7600.16504_none_f6a644f2806387f5.manifest |
|
File version |
Not Applicable |
|
File size |
1,052 |
|
Date (UTC) |
17-Jan-2010 |
|
Time (UTC) |
18:24 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
Amd64_a1ef970082e523017c1e5b82f3cc9e61_31bf3856ad364e35_6.1.7600.20618_none_539a4ae8b0a62e26.manifest |
|
File version |
Not Applicable |
|
File size |
1,052 |
|
Date (UTC) |
17-Jan-2010 |
|
Time (UTC) |
18:24 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
Amd64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.16504_none_1ec77dec8d41eef0.manifest |
|
File version |
Not Applicable |
|
File size |
46,854 |
|
Date (UTC) |
15-Jan-2010 |
|
Time (UTC) |
20:52 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
Amd64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.20618_none_1f4a4bf3a6641007.manifest |
|
File version |
Not Applicable |
|
File size |
46,854 |
|
Date (UTC) |
15-Jan-2010 |
|
Time (UTC) |
21:03 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
Update.mum |
|
File version |
Not Applicable |
|
File size |
1,467 |
|
Date (UTC) |
17-Jan-2010 |
|
Time (UTC) |
18:24 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
Wow64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.16504_none_291c283ec1a2b0eb.manifest |
|
File version |
Not Applicable |
|
File size |
46,504 |
|
Date (UTC) |
15-Jan-2010 |
|
Time (UTC) |
20:01 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
Wow64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.20618_none_299ef645dac4d202.manifest |
|
File version |
Not Applicable |
|
File size |
46,504 |
|
Date (UTC) |
15-Jan-2010 |
|
Time (UTC) |
20:25 |
|
Platform |
Not Applicable |
Additional file information for all supported Itanium-based versions Windows Server 2008 R2
|
File name |
Ia64_0fcbf135d99391f569f7295a598bfafc_31bf3856ad364e35_6.1.7600.20618_none_fcdcd79197cd0de7.manifest |
|
File version |
Not Applicable |
|
File size |
1,050 |
|
Date (UTC) |
17-Jan-2010 |
|
Time (UTC) |
18:24 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
Ia64_90565ff1f90a56a50989d867fdf95032_31bf3856ad364e35_6.1.7600.16504_none_473ab01f9a0196e8.manifest |
|
File version |
Not Applicable |
|
File size |
1,050 |
|
Date (UTC) |
17-Jan-2010 |
|
Time (UTC) |
18:24 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
Ia64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.16504_none_c2aa865ed4e286b6.manifest |
|
File version |
Not Applicable |
|
File size |
46,852 |
|
Date (UTC) |
15-Jan-2010 |
|
Time (UTC) |
20:44 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
Ia64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.20618_none_c32d5465ee04a7cd.manifest |
|
File version |
Not Applicable |
|
File size |
46,852 |
|
Date (UTC) |
15-Jan-2010 |
|
Time (UTC) |
20:55 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
Update.mum |
|
File version |
Not Applicable |
|
File size |
1,463 |
|
Date (UTC) |
17-Jan-2010 |
|
Time (UTC) |
18:24 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
Wow64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.16504_none_291c283ec1a2b0eb.manifest |
|
File version |
Not Applicable |
|
File size |
46,504 |
|
Date (UTC) |
15-Jan-2010 |
|
Time (UTC) |
20:01 |
|
Platform |
Not Applicable |
|
--- |
|
|
File name |
Wow64_microsoft-windows-explorerframe_31bf3856ad364e35_6.1.7600.20618_none_299ef645dac4d202.manifest |
|
File version |
Not Applicable |
|
File size |
46,504 |
|
Date (UTC) |
15-Jan-2010 |
|
Time (UTC) |
20:25 |
|
Platform |
Not Applicable |
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
