An exclamation mark (!) may be displayed next to the smartcard reader in Device Manager after you start Windows 7 or Windows Server 2008 R2

Article ID: 978977 - View products that this article applies to.
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SYMPTOMS

You have a smartcard reader installed on computer that is running Windows 7 or Windows Server 2008 R2. After you start or restart the computer, a yellow exclamation mark (!) may be displayed next to the smartcard reader in Device Manager. If you view the detailed information for the smartcard reader in Device Manager, you see the following error message:
Windows cannot initialize the device driver for this hardware. (Code 37)
Additionally, the following event is logged in the System log:

Log Name: System
Source: Microsoft-Windows-DriverFrameworks-UserMode
Date: <date>
Event ID: 10114
Task Category: Startup of the UMDF reflector
Level: Information
Keywords: (2)
User: SYSTEM
Computer: <computer>
Description: The UMDF reflector was unable to complete startup because the WUDFSvc service was not found. This service may be started later during boot, at which point Windows will attempt to start the device again.

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CAUSE

This issue occurs because of a race condition in the User-Mode Driver Framework (UMDF) driver.
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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 Web site:
http://support.microsoft.com/contactus/?ws=support
(http://support.microsoft.com/contactus/?ws=support)
Note 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, your computer must be running Windows 7 or Windows Server 2008 R2.

Restart requirement

You may 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 English (United States) 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
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File nameFile versionFile sizeDateTimePlatform
Driverframeworks-usermode.ptxmlNot Applicable1,89213-Jul-200920:49Not Applicable
Wudfcoinstaller.dll6.1.7600.1650439,93615-Jan-201019:46x86
Wudfhost.exe6.1.7600.16504197,63215-Jan-201019:43x86
Wudfpf.sys6.1.7600.1650493,69615-Jan-201007:04x86
Wudfplatform.dll6.1.7600.16504163,32815-Jan-201019:46x86
Wudfrd.sys6.1.7600.16504132,35215-Jan-201007:04Not Applicable
Wudfsvc.dll6.1.7600.1650467,58415-Jan-201019:46x86
Wudfx.dll6.1.7600.16504573,44015-Jan-201019:46x86
Wudfx.mofNot Applicable36,72213-Jul-200923:50Not Applicable
Wudfxuninstall.mofNot Applicable52410-Jun-200921:48Not Applicable
Driverframeworks-usermode.ptxmlNot Applicable1,89213-Jul-200920:49Not Applicable
Wudfcoinstaller.dll6.1.7600.2061839,93615-Jan-201020:06x86
Wudfhost.exe6.1.7600.20618197,63215-Jan-201020:02x86
Wudfpf.sys6.1.7600.2061893,69615-Jan-201007:12x86
Wudfplatform.dll6.1.7600.20618163,32815-Jan-201020:06x86
Wudfrd.sys6.1.7600.20618132,35215-Jan-201007:13Not Applicable
Wudfsvc.dll6.1.7600.2061867,58415-Jan-201020:06x86
Wudfx.dll6.1.7600.20618573,44015-Jan-201020:06x86
Wudfx.mofNot Applicable36,72213-Jul-200923:50Not Applicable
Wudfxuninstall.mofNot Applicable52410-Jun-200921:48Not Applicable
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
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File nameFile versionFile sizeDateTimePlatform
Driverframeworks-usermode.ptxmlNot Applicable1,89213-Jul-200920:39Not Applicable
Wudfcoinstaller.dll6.1.7600.1650444,54415-Jan-201019:55x64
Wudfhost.exe6.1.7600.16504228,86415-Jan-201019:51x64
Wudfpf.sys6.1.7600.16504112,64015-Jan-201007:32x64
Wudfplatform.dll6.1.7600.16504183,80815-Jan-201019:55x64
Wudfrd.sys6.1.7600.16504172,54415-Jan-201007:33x64
Wudfsvc.dll6.1.7600.1650478,84815-Jan-201019:55x64
Wudfx.dll6.1.7600.16504687,61615-Jan-201019:55x64
Wudfx.mofNot Applicable36,72214-Jul-200900:05Not Applicable
Wudfxuninstall.mofNot Applicable52410-Jun-200921:09Not Applicable
Driverframeworks-usermode.ptxmlNot Applicable1,89213-Jul-200920:39Not Applicable
Wudfcoinstaller.dll6.1.7600.2061844,54415-Jan-201020:06x64
Wudfhost.exe6.1.7600.20618228,86415-Jan-201020:02x64
Wudfpf.sys6.1.7600.20618112,64015-Jan-201007:38x64
Wudfplatform.dll6.1.7600.20618183,80815-Jan-201020:06x64
Wudfrd.sys6.1.7600.20618172,54415-Jan-201007:38x64
Wudfsvc.dll6.1.7600.2061878,84815-Jan-201020:06x64
Wudfx.dll6.1.7600.20618687,61615-Jan-201020:06x64
Wudfx.mofNot Applicable36,72214-Jul-200900:05Not Applicable
Wudfxuninstall.mofNot Applicable52410-Jun-200921:09Not Applicable
For all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Driverframeworks-usermode.ptxmlNot Applicable1,89213-Jul-200920:40Not Applicable
Wudfcoinstaller.dll6.1.7600.1650481,92015-Jan-201009:18IA-64
Wudfhost.exe6.1.7600.16504409,08815-Jan-201009:11IA-64
Wudfpf.sys6.1.7600.16504203,77615-Jan-201006:55IA-64
Wudfplatform.dll6.1.7600.16504326,14415-Jan-201009:18IA-64
Wudfrd.sys6.1.7600.16504409,60015-Jan-201006:56IA-64
Wudfsvc.dll6.1.7600.16504182,78415-Jan-201009:18IA-64
Wudfx.dll6.1.7600.165041,202,68815-Jan-201009:18IA-64
Wudfx.mofNot Applicable36,72214-Jul-200900:20Not Applicable
Wudfxuninstall.mofNot Applicable52410-Jun-200921:15Not Applicable
Driverframeworks-usermode.ptxmlNot Applicable1,89213-Jul-200920:40Not Applicable
Wudfcoinstaller.dll6.1.7600.2061881,92015-Jan-201009:40IA-64
Wudfhost.exe6.1.7600.20618409,08815-Jan-201009:32IA-64
Wudfpf.sys6.1.7600.20618203,77615-Jan-201006:57IA-64
Wudfplatform.dll6.1.7600.20618326,14415-Jan-201009:40IA-64
Wudfrd.sys6.1.7600.20618409,60015-Jan-201006:58IA-64
Wudfsvc.dll6.1.7600.20618182,78415-Jan-201009:40IA-64
Wudfx.dll6.1.7600.206181,202,68815-Jan-201009:40IA-64
Wudfx.mofNot Applicable36,72214-Jul-200900:20Not Applicable
Wudfxuninstall.mofNot Applicable52410-Jun-200921:15Not Applicable
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WORKAROUND

To work around this issue, restart computer. And then log on the computer by typing Ctrl +Alt +Delete key.
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STATUS

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

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684
(http://support.microsoft.com/kb/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
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File nameFile versionFile sizeDateTimePlatform
Package_for_kb978977_rtm_bf~31bf3856ad364e35~x86~~6.1.1.0.mumNot Applicable1,43917-Jan-201018:21Not Applicable
Package_for_kb978977_rtm~31bf3856ad364e35~x86~~6.1.1.0.mumNot Applicable1,45817-Jan-201018:21Not Applicable
Update-bf.mumNot Applicable1,43717-Jan-201018:21Not Applicable
X86_microsoft-windows-d..frameworks-usermode_31bf3856ad364e35_6.1.7600.16504_none_9d3d699156572cd2.manifestNot Applicable67,99215-Jan-201020:20Not Applicable
X86_microsoft-windows-d..frameworks-usermode_31bf3856ad364e35_6.1.7600.20618_none_9dc037986f794de9.manifestNot Applicable67,99215-Jan-201020:53Not Applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Amd64_microsoft-windows-d..frameworks-usermode_31bf3856ad364e35_6.1.7600.16504_none_f95c05150eb49e08.manifestNot Applicable67,99615-Jan-201020:53Not Applicable
Amd64_microsoft-windows-d..frameworks-usermode_31bf3856ad364e35_6.1.7600.20618_none_f9ded31c27d6bf1f.manifestNot Applicable67,99615-Jan-201021:04Not Applicable
Package_for_kb978977_rtm_bf~31bf3856ad364e35~amd64~~6.1.1.0.mumNot Applicable1,66517-Jan-201018:21Not Applicable
Package_for_kb978977_rtm~31bf3856ad364e35~amd64~~6.1.1.0.mumNot Applicable1,68817-Jan-201018:21Not Applicable
Update-bf.mumNot Applicable1,66317-Jan-201018:21Not Applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Ia64_microsoft-windows-d..frameworks-usermode_31bf3856ad364e35_6.1.7600.16504_none_9d3f0d87565535ce.manifestNot Applicable67,99415-Jan-201020:45Not Applicable
Ia64_microsoft-windows-d..frameworks-usermode_31bf3856ad364e35_6.1.7600.20618_none_9dc1db8e6f7756e5.manifestNot Applicable67,99415-Jan-201020:56Not Applicable
Package_for_kb978977_rtm_bf~31bf3856ad364e35~ia64~~6.1.1.0.mumNot Applicable1,66017-Jan-201018:21Not Applicable
Package_for_kb978977_rtm~31bf3856ad364e35~ia64~~6.1.1.0.mumNot Applicable1,68317-Jan-201018:21Not Applicable
Update-bf.mumNot Applicable1,65817-Jan-201018:21Not Applicable
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Properties

Article ID: 978977 - Last Review: March 19, 2010 - Revision: 1.1
APPLIES TO
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
  • Windows HPC Server 2008 R2
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Standard
  • Windows Web Server 2008 R2
Keywords: 
kbqfe kbhotfixserver kbsurveynew kbautohotfix kbexpertiseinter kbexpertiseadvanced kbbug kbfix KB978977
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