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Article ID: 979681 - Last Review: October 7, 2011 - Revision: 2.0

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SYMPTOMS

Consider the following scenario. You run a 32-bit application on a computer that is running a 64-bit version of Windows 7 or of Windows Server 2008 R2. You have a legacy Hewlett Packard (HP) printer driver installed. In this scenario, the printer driver may crash. Additionally, entries may be logged in a Windows Error Reporting (WER) report that points to the HP printer driver as the cause of the crash.

CAUSE

This problem occurs when the EnablePDEV method and the DisablePDEV method occur on different threads in the Splwow64.exe process.

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 (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 may 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 x64-based versions of Windows 7 and Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTime
Splwow64.exe6.1.7600.2062367,58421-Jan-201007:31
For all supported Itanium-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTime
Splwow64.exe6.1.7600.20623160,76821-Jan-201006:09
Additional notes

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files (attributes not listed) are signed with a Microsoft digital signature.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_3190fcdd40598a7590ea5c794a10f5b0_31bf3856ad364e35_6.1.7600.20623_none_661aeef585db048b.manifest
File versionNot Applicable
File size717
Date (UTC)21-Jan-2010
Time (UTC)17:45
PlatformNot Applicable
---
File nameAmd64_67f44546ff4949cbbc058dd452490c63_31bf3856ad364e35_6.1.7600.20623_none_5e16221d27e6ac3d.manifest
File versionNot Applicable
File size715
Date (UTC) 21-Jan-2010
Time (UTC)17:45
PlatformNot Applicable
---
File nameAmd64_microsoft-windows-p..ng-spooler-splwow64_31bf3856ad364e35_6.1.7600.20623_none_2467c32cc497734e.manifest
File versionNot Applicable
File size2,644
Date (UTC)21-Jan-2010
Time (UTC)08:07
PlatformNot Applicable
---
File namePackage_1_for_kb979681~31bf3856ad364e35~amd64~~6.1.1.0.mum
File versionNot Applicable
File size2,055
Date (UTC) 21-Jan-2010
Time (UTC)17:45
PlatformNot Applicable
---
File namePackage_2_for_kb979681~31bf3856ad364e35~amd64~~6.1.1.0.mum
File versionNot Applicable
File size2,059
Date (UTC)21-Jan-2010
Time (UTC)17:45
PlatformNot Applicable
---
File namePackage_for_kb979681_rtm~31bf3856ad364e35~amd64~~6.1.1.0.mum
File versionNot Applicable
File size2,166
Date (UTC) 21-Jan-2010
Time (UTC)17:45
PlatformNot Applicable
---
File nameX86_microsoft-windows-p..ng-spooler-splwow64_31bf3856ad364e35_6.1.7600.20623_none_c84927a90c3a0218.manifest
File versionNot Applicable
File size1,846
Date (UTC)21-Jan-2010
Time (UTC)07:23
PlatformNot Applicable
Additional files for all supported Itanium-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_a46c810cefc577a11829556a0f69d4a3_31bf3856ad364e35_6.1.7600.20623_none_d879c2854a9bdc3b.manifest
File versionNot Applicable
File size1,072
Date (UTC)21-Jan-2010
Time (UTC)17:45
PlatformNot Applicable
---
File nameIa64_microsoft-windows-p..ng-spooler-splwow64_31bf3856ad364e35_6.1.7600.20623_none_c84acb9f0c380b14.manifest
File versionNot Applicable
File size2,643
Date (UTC)21-Jan-2010
Time (UTC)07:59
PlatformNot Applicable
---
File namePackage_1_for_kb979681~31bf3856ad364e35~ia64~~6.1.1.0.mum
File versionNot Applicable
File size2,072
Date (UTC)21-Jan-2010
Time (UTC)17:45
PlatformNot Applicable
---
File namePackage_for_kb979681_rtm~31bf3856ad364e35~ia64~~6.1.1.0.mum
File versionNot Applicable
File size1,462
Date (UTC)21-Jan-2010
Time (UTC)17:45
PlatformNot Applicable
---
File nameX86_microsoft-windows-p..ng-spooler-splwow64_31bf3856ad364e35_6.1.7600.20623_none_c84927a90c3a0218.manifest
File versionNot Applicable
File size1,846
Date (UTC)21-Jan-2010
Time (UTC)07:23
PlatformNot Applicable


The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

APPLIES TO
  • Windows 7 Enterprise
  • Windows 7 Enterprise N
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Home Premium N
  • Windows 7 Professional
  • Windows 7 Professional N
  • Windows 7 Starter
  • Windows 7 Starter 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: 
kbprint kbexpertiseinter kbexpertiseadvanced kbfix kbbug kbsurveynew kbqfe KB979681
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