Fax applications may randomly crash when you use the application to send or receive fax documents on a Windows Server 2008-based or Windows Vista SP1-based computer

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Article ID: 954962 - View products that this article applies to.
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SYMPTOMS

A fax application or the Windows Fax and Scan application may randomly crash when you try to send or receive fax documents on a Windows Server 2008-based or Windows Vista Service Pack 1 (SP1)-based computer.

When this problem occurs, you may find an event in the Application event log that resembles the following event:

Faulting application WFS.exe or <application name>, version <version number>, time stamp <time stamp>, faulting module WFS.exe or <application name>, version <version number>, time stamp <time stamp>, exception code 0xc0000094, fault offset <offset>, process id <process ID>, application start time <start time>.

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 this specific problem. 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
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

You must have Windows Vista SP1 installed to apply this hotfix. Service Pack 1 is integrated into Windows Server 2008.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English 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.
Windows Vista and Windows Server 2008 file information notes
  • The .manifest files and the .mum files that are installed in each environment are listed separately in the "Additional file information for Windows Server 2008 and for Windows Vista" section. These files and their associated .cat (security catalog) files are critical to maintaining the state of the updated component. The .cat files are signed with a Microsoft digital signature. The attributes of these security files are not listed.
For all supported 32-bit versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Fxscompose.dll6.0.6001.22229705,02425-Jul-200803:19x86
Fxscomposeres.dll6.0.6001.2222934,81625-Jul-200801:50x86
Fxscover.exe6.0.6001.22229190,97625-Jul-200801:50x86
Fxsutility.dll6.0.6001.22229206,33625-Jul-200803:19x86
Wfs.exe6.0.6001.22229839,68025-Jul-200801:51x86
Wfs.mofNot Applicable2,61618-Dec-200721:45Not Applicable
Wfsr.dll6.0.6001.22229755,20025-Jul-200803:23x86
For all supported 64-bit versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Fxscompose.dll6.0.6001.22229759,80825-Jul-200803:49x64
Fxscomposeres.dll6.0.6001.2222934,81625-Jul-200802:32x64
Fxscover.exe6.0.6001.22229269,31225-Jul-200802:32x64
Fxsutility.dll6.0.6001.22229218,11225-Jul-200803:49x64
Wfs.exe6.0.6001.222291,019,39225-Jul-200802:33x64
Wfs.mofNot Applicable2,61618-Dec-200721:45Not Applicable
Wfsr.dll6.0.6001.22229755,20025-Jul-200803:54x64
Wfs.mofNot Applicable2,61618-Dec-200721:45Not Applicable

Additional file information for Windows Server 2008 and for Windows Vista

Additional files for all supported 32-bit versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File namePackage_1_for_kb954962~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size2,584
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File namePackage_2_for_kb954962~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,774
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File namePackage_for_kb954962_client_1~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,367
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File namePackage_for_kb954962_client~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,430
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File namePackage_for_kb954962_server_0~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,403
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File namePackage_for_kb954962_server~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,430
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File nameX86_86a2ebce37cc06c79aa2ededb377d830_31bf3856ad364e35_6.0.6001.22229_none_9cba110d5b834968.manifest
File versionNot Applicable
File size711
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File nameX86_microsoft-windows-f..client-applications_31bf3856ad364e35_6.0.6001.22229_none_7976adda418c1dc3.manifest
File versionNot Applicable
File size32,137
Date (UTC)25-Jul-2008
Time (UTC)03:45
PlatformNot Applicable
Additional files for all supported 64-bit versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameAmd64_525d5701b2ad09a586ad73fa4220e3a2_31bf3856ad364e35_6.0.6001.22229_none_d0ae53ebf5690fe5.manifest
File versionNot Applicable
File size1,072
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File nameAmd64_microsoft-windows-f..client-applications_31bf3856ad364e35_6.0.6001.22229_none_d595495df9e98ef9.manifest
File versionNot Applicable
File size32,217
Date (UTC)25-Jul-2008
Time (UTC)04:44
PlatformNot Applicable
File namePackage_1_for_kb954962~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size2,833
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File namePackage_2_for_kb954962~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size2,015
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File namePackage_for_kb954962_client_1~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,375
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File namePackage_for_kb954962_client~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,438
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File namePackage_for_kb954962_server_0~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,411
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File namePackage_for_kb954962_server~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,438
Date (UTC)25-Jul-2008
Time (UTC)16:29
PlatformNot Applicable
File nameWow64_microsoft-windows-f..client-applications_31bf3856ad364e35_6.0.6001.22229_none_dfe9f3b02e4a50f4.manifest
File versionNot Applicable
File size13,895
Date (UTC)25-Jul-2008
Time (UTC)03:35
PlatformNot Applicable

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

Properties

Article ID: 954962 - Last Review: October 8, 2011 - Revision: 2.0
APPLIES TO
  • Windows Server 2008 Standard
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 Standard without Hyper-V
  • Windows Vista Service Pack 1, when used with:
    • Windows Vista Home Premium 64-bit Edition
    • Windows Vista Business 64-bit Edition
    • Windows Vista Enterprise 64-bit Edition
    • Windows Vista Ultimate 64-bit Edition
Keywords: 
kbautohotfix kbexpertiseinter kbfix kbqfe KB954962

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