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Stop error 0x9F in the mf.sys driver occurs in Windows


View products that this article applies to.

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Symptoms

Consider the following scenario:
  • You have a computer that is running Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, or Windows Server 2008 R2.
  • You have a device that uses the multifunction bus driver (mf.sys).

In this scenario, you receive a Stop error 0x9F in the mf.sys driver.

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Resolution

To resolve this issue in Windows 8 and Windows Server 2012, install update 2934016, or install the hotfix that is described in this article.
To resolve this issue in Windows 8.1, Windows Server 2012 R2, Windows 7, and Windows Server 2008 R2, install the hotfix that is described in this article.

Update information for Windows 8 and Windows Server 2012

For more information about how to obtain update 2934016, click the following article number to view the article in the Microsoft Knowledge Base:
2934016 Windows RT, Windows 8, and Windows Server 2012 update rollup: April 2014

Hotfix information

A supported hotfix is available from Microsoft Support. 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, go to the following Microsoft website: 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, you must haveWindows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Service Pack 1 for Windows 7 or Windows Server 2008 R2 installed.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any 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 RT 8.1, Windows 8.1 and Windows Server 2012 R2 file information and notes

Important Windows 8.1 and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
    VersionProductMilestoneService branch
    6.3.960 0.16 xxxWindows RT8.1, Windows 8.1 and Windows Server 2012 R2RTMGDR
  • 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 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 Windows RT 8.1
File nameFile versionFile sizeDateTimePlatform
Mf.sys6.3.9600.1652131,23229-Jan-201405:31Not applicable
For all supported x86-based versions of Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Mf.sys6.3.9600.1652130,20829-Jan-201406:25x86
For all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Mf.sys6.3.9600.1652136,86429-Jan-201400:18x64

Windows RT, Windows 8, and Windows Server 2012 file information notes

Important Windows 8 and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    VersionProductMilestoneService branch
    6.2.920 0.16 xxxWindows RT, Windows 8, and Windows Server 2012RTMGDR
    6.2.920 0.20xxxWindows RT, Windows 8, and Windows Server 2012RTMLDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • 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 maintaining the state of the updated component. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For Windows RT
File nameFile versionFile sizeDateTimePlatform
Mf.sys6.2.9200.16817129,53608-Feb-201403:41Not applicable
For all supported x86-based versions of Windows 8
File nameFile versionFile sizeDateTimePlatform
Mf.sys6.2.9200.16817127,48808-Feb-201404:10x86
Mf.sys6.2.9200.20937127,48808-Feb-201404:07x86
For all supported x64-based versions of Windows 8 and Windows Server 2012
File nameFile versionFile sizeDateTimePlatform
Mf.sys6.2.9200.16817158,72008-Feb-201404:35x64
Mf.sys6.2.9200.20937158,72008-Feb-201404:24x64

Windows 7 and Windows Server 2008 R2 file information and 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 files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    VersionProductSR_LevelService branch
    6.1.760
    1.
    18xxx
    Windows 7 and Windows Server 2008 R2SP1GDR
    6.1.760
    1.
    22xxx
    Windows 7 and Windows Server 2008 R2SP1LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • 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 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 nameFile versionFile sizeDateTimePlatform
Mf.sys6.1.7601.18332114,17604-Dec-201300:58x86
Mf.sys6.1.7601.22530114,17604-Dec-201301:00x86
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Mf.sys6.1.7601.18332142,84804-Dec-201301:14x64
Mf.sys6.1.7601.22530142,84804-Dec-201301:18x64
For all supported IA-64-based versions of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Mf.sys6.1.7601.18332215,55204-Dec-201300:39IA-64
Mf.sys6.1.7601.22530215,55204-Dec-201300:43IA-64

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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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Additional file information

Additional file information for Windows RT 8.1, Windows 8.1 and Windows Server 2012 R2

Additional files for Windows RT 8.1
File propertyValue
File nameArm_mf.inf_31bf3856ad364e35_6.3.9600.16521_none_541892c5a899b65d.manifest
File versionNot applicable
File size2,074
Date (UTC)29-Jan-2014
Time (UTC)07:01
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,588
Date (UTC)29-Jan-2014
Time (UTC)16:54
PlatformNot applicable
Additional files for all supported x86-based versions of Windows 8.1
File propertyValue
File nameUpdate.mum
File versionNot applicable
File size1,588
Date (UTC)29-Jan-2014
Time (UTC)16:52
PlatformNot applicable
File nameX86_mf.inf_31bf3856ad364e35_6.3.9600.16521_none_5416206da89c9797.manifest
File versionNot applicable
File size2,074
Date (UTC)29-Jan-2014
Time (UTC)08:16
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
File propertyValue
File nameAmd64_mf.inf_31bf3856ad364e35_6.3.9600.16521_none_b034bbf160fa08cd.manifest
File versionNot applicable
File size2,078
Date (UTC)29-Jan-2014
Time (UTC)10:28
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,596
Date (UTC)29-Jan-2014
Time (UTC)16:50
PlatformNot applicable


Additional file information for Windows RT, Windows 8, and Windows Server 2012

Additional files for Windows RT
File propertyValue
File nameArm_mf.inf_31bf3856ad364e35_6.2.9200.16817_none_bc34b1795e59596e.manifest
File versionNot applicable
File size2,074
Date (UTC)08-Feb-2014
Time (UTC)07:41
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,589
Date (UTC)10-Feb-2014
Time (UTC)17:07
PlatformNot applicable
Additional files for all supported x86-based versions of Windows 8
File propertyValue
File nameUpdate.mum
File versionNot applicable
File size1,785
Date (UTC)10-Feb-2014
Time (UTC)17:09
PlatformNot applicable
File nameX86_mf.inf_31bf3856ad364e35_6.2.9200.16817_none_bc323f215e5c3aa8.manifest
File versionNot applicable
File size2,074
Date (UTC)08-Feb-2014
Time (UTC)05:56
PlatformNot applicable
File nameX86_mf.inf_31bf3856ad364e35_6.2.9200.20937_none_bca63c14778a1254.manifest
File versionNot applicable
File size2,074
Date (UTC)08-Feb-2014
Time (UTC)06:03
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 8 and Windows Server 2012
File propertyValue
File nameAmd64_mf.inf_31bf3856ad364e35_6.2.9200.16817_none_1850daa516b9abde.manifest
File versionNot applicable
File size2,078
Date (UTC)08-Feb-2014
Time (UTC)08:15
PlatformNot applicable
File nameAmd64_mf.inf_31bf3856ad364e35_6.2.9200.20937_none_18c4d7982fe7838a.manifest
File versionNot applicable
File size2,078
Date (UTC)08-Feb-2014
Time (UTC)08:01
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,795
Date (UTC)10-Feb-2014
Time (UTC)17:10
PlatformNot applicable

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7
File nameX86_mf.inf_31bf3856ad364e35_6.1.7601.18332_none_c128285beb853948.manifest
File versionNot Applicable
File size2,057
Date (UTC)04-Dec-2013
Time (UTC)02:29
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File nameX86_mf.inf_31bf3856ad364e35_6.1.7601.22530_none_c1afc67904a4a38b.manifest
File versionNot Applicable
File size2,057
Date (UTC)04-Dec-2013
Time (UTC)02:32
SHA-1 hashNot Applicable
MD5 hashNot Applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File nameAmd64_mf.inf_31bf3856ad364e35_6.1.7601.18332_none_1d46c3dfa3e2aa7e.manifest
File versionNot Applicable
File size2,061
Date (UTC)04-Dec-2013
Time (UTC)02:54
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File nameAmd64_mf.inf_31bf3856ad364e35_6.1.7601.22530_none_1dce61fcbd0214c1.manifest
File versionNot Applicable
File size2,061
Date (UTC)04-Dec-2013
Time (UTC)03:00
SHA-1 hashNot Applicable
MD5 hashNot Applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
File nameIa64_mf.inf_31bf3856ad364e35_6.1.7601.18332_none_c129cc51eb834244.manifest
File versionNot Applicable
File size2,059
Date (UTC)04-Dec-2013
Time (UTC)02:19
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File nameIa64_mf.inf_31bf3856ad364e35_6.1.7601.22530_none_c1b16a6f04a2ac87.manifest
File versionNot Applicable
File size2,059
Date (UTC)04-Dec-2013
Time (UTC)02:23
SHA-1 hashNot Applicable
MD5 hashNot Applicable

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References

See the terminology Microsoft uses to describe software updates for more information.

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Keywords: kb, kbmdd, kbautohotfix, kbqfe, kbhotfixserver, kbfix, kbexpertiseinter, kbsurveynew, kbbug

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Article Info
Article ID : 2911204
Revision : 1
Created on : 1/7/2017
Published on : 10/9/2014
Exists online : False
Views : 237