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Symptoms

Consider the following scenario:

  • You have a computer that is running Windows 7 or Windows Server 2008 R2.

  • This computer has multiple monitors.

  • You run an application that calls the FillRect function or the BitBlt function to render a rectangle area. The hdc parameter that is used in these functions is obtained from the EnumDisplayMonitors function.

In this scenario, the FillRect function or the BitBlt function works fine on the primary monitor. However, the FillRect function or the BitBlt function renders nothing on a secondary monitor.

Resolution

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

There are no prerequisites.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You do not have to 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 MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2 and for Windows 7" 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

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.1.7600.20812

2,328,576

09-Oct-2010

02:33

x86

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

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.1.7600.20812

3,125,248

09-Oct-2010

02:58

x64

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

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.1.7600.20812

7,425,536

09-Oct-2010

02:25

IA-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 the EnumDisplayMonitors function, the FillRect function, and the BitBlt function, visit the following Microsoft websites:


Introduction to the EnumDisplayMonitors function

Introduction to the FillRect function

Introduction to the BitBlt function
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

File name

Update.mum

File version

Not applicable

File size

1,880

Date (UTC)

09-Oct-2010

Time (UTC)

07:38

Platform

Not applicable


File name

X86_792c52a3662708ac044add18d2851de2_31bf3856ad364e35_6.1.7600.20812_none_a1be1fba5ea3c45a.manifest

File version

Not applicable

File size

694

Date (UTC)

09-Oct-2010

Time (UTC)

07:38

Platform

Not applicable


File name

X86_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20812_none_b99c22d714c1e3fb.manifest

File version

Not applicable

File size

42,086

Date (UTC)

09-Oct-2010

Time (UTC)

04:58

Platform

Not applicable

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

File name

Amd64_30d22981bd42607ddafdc44dcb8ba0c3_31bf3856ad364e35_6.1.7600.20812_none_a1dadffdd5e921a4.manifest

File version

Not applicable

File size

1,038

Date (UTC)

09-Oct-2010

Time (UTC)

07:38

Platform

Not applicable


File name

Amd64_ac07655cddde3a1c6b5ba51657b49650_31bf3856ad364e35_6.1.7600.20812_none_5326a6b00959f133.manifest

File version

Not applicable

File size

698

Date (UTC)

09-Oct-2010

Time (UTC)

07:38

Platform

Not applicable


File name

Amd64_d473be269d2663e279572005a459f733_31bf3856ad364e35_6.1.7600.20812_none_f4f3a0cdade19b7b.manifest

File version

Not applicable

File size

698

Date (UTC)

09-Oct-2010

Time (UTC)

07:38

Platform

Not applicable


File name

Amd64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20812_none_15babe5acd1f5531.manifest

File version

Not applicable

File size

42,090

Date (UTC)

09-Oct-2010

Time (UTC)

05:46

Platform

Not applicable


File name

Update.mum

File version

Not applicable

File size

2,536

Date (UTC)

09-Oct-2010

Time (UTC)

07:38

Platform

Not applicable


File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20812_none_200f68ad0180172c.manifest

File version

Not applicable

File size

4,178

Date (UTC)

09-Oct-2010

Time (UTC)

04:52

Platform

Not applicable

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

File name

Ia64_d473be269d2663e279572005a459f733_31bf3856ad364e35_6.1.7600.20812_none_98d6a93ff5823341.manifest

File version

Not applicable

File size

697

Date (UTC)

09-Oct-2010

Time (UTC)

07:38

Platform

Not applicable


File name

Ia64_e536dc0cd7ea302284e5b1081c9c9781_31bf3856ad364e35_6.1.7600.20812_none_4b57e057354cede5.manifest

File version

Not applicable

File size

696

Date (UTC)

09-Oct-2010

Time (UTC)

07:38

Platform

Not applicable


File name

Ia64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20812_none_b99dc6cd14bfecf7.manifest

File version

Not applicable

File size

42,088

Date (UTC)

09-Oct-2010

Time (UTC)

05:52

Platform

Not applicable


File name

Update.mum

File version

Not applicable

File size

1,690

Date (UTC)

09-Oct-2010

Time (UTC)

07:38

Platform

Not applicable


File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20812_none_200f68ad0180172c.manifest

File version

Not applicable

File size

4,178

Date (UTC)

09-Oct-2010

Time (UTC)

04:52

Platform

Not applicable

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