Applies ToWindows 7 Service Pack 1 Windows 7 Enterprise Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional Windows 7 Starter Windows 7 Ultimate Windows Server 2008 R2 Service Pack 1 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 Server 2008 R2 Web Edition

Symptoms

When an application tries to change the z-order of windows on a computer that is running Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 SP1, a 0x3B Stop error occurs in win32k.sys. 

Resolution

To resolve this issue, install the hotfix that is described in this article.

Hotfix information

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=supportNote 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 have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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 MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately 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.

For all supported x86-based versions of Windows 7 and Windows Server 2008 R2

File name

File version

File size

Date

Time

Win32k.sys

6.1.7601.22673

2,357,760

03-May-2014

01:13

For all supported x64-based versions of Windows 7 and Windows Server 2008 R2

File name

File version

File size

Date

Time

Win32k.sys

6.1.7601.22673

3,160,064

03-May-2014

01:24

For all supported IA-64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Win32k.sys

6.1.7601.22673

7,436,288

03-May-2014

01:02

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:

824684Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows 7 and Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7 and Windows Server 2008 R2

File name

X86_aaf3b7f8e4d3be1f71afe6a3c79618af_31bf3856ad364e35_6.1.7601.22673_none_7d4c91750537566b.manifest

File version

Not Applicable

File size

694

Date (UTC)

05-May-2014

Time (UTC)

07:09

File name

X86_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.22673_none_bb4289d712182a85.manifest

File version

Not Applicable

File size

42,086

Date (UTC)

03-May-2014

Time (UTC)

06:56

Additional files for all supported x64-based versions of Windows 7 and Windows Server 2008 R2

File name

Amd64_155b0bb84e9b94859ef448a2d3e6147e_31bf3856ad364e35_6.1.7601.22673_none_eb1e92102517c30f.manifest

File version

Not Applicable

File size

698

Date (UTC)

05-May-2014

Time (UTC)

07:09

File name

Amd64_72e975111b9dbb286648d6e0c3b7f38b_31bf3856ad364e35_6.1.7601.22673_none_020e2e0c7f06945a.manifest

File version

Not Applicable

File size

1,038

Date (UTC)

05-May-2014

Time (UTC)

07:09

File name

Amd64_903c938ac2be60f59800c4bbc1ab29b5_31bf3856ad364e35_6.1.7601.22673_none_aa8fc346b1734756.manifest

File version

Not Applicable

File size

698

Date (UTC)

05-May-2014

Time (UTC)

07:09

File name

Amd64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.22673_none_1761255aca759bbb.manifest

File version

Not Applicable

File size

42,090

Date (UTC)

03-May-2014

Time (UTC)

08:59

File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.22673_none_21b5cfacfed65db6.manifest

File version

Not Applicable

File size

4,178

Date (UTC)

03-May-2014

Time (UTC)

06:38

Additional files for all supported IA-64-based versions of Windows Server 2008 R2

File name

Ia64_ff768d09c84e050ada54a19f6948239b_31bf3856ad364e35_6.1.7601.22673_none_4d19b29f65d334a6.manifest

File version

Not Applicable

File size

1,036

Date (UTC)

05-May-2014

Time (UTC)

07:09

File name

Ia64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.22673_none_bb442dcd12163381.manifest

File version

Not Applicable

File size

42,088

Date (UTC)

03-May-2014

Time (UTC)

08:39

File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.22673_none_21b5cfacfed65db6.manifest

File version

Not Applicable

File size

4,178

Date (UTC)

03-May-2014

Time (UTC)

06:38

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