Symptoms

On a computer that is running Windows 8 or Windows Server 2012, invalid memory access randomly occurs and causes the computer to crash. When this problem occurs, you receive a Stop error message that resembles the following:

STOP 0x00000050 (parameter1, parameter2, parameter3, parameter4)
PAGE_FAULT_IN_NONPAGED_AREA



Notes

  • This Stop error describes a PAGE_FAULT_IN_NONPAGED_AREA issue.

  • The parameters in this error message vary, depending on the configuration of the computer.

  • Not all "Stop 0x00000050" errors are caused by this problem. This issue occurs when the Server service handles some server message block (SMB) requests from some remote computers.


This problem occurs on any drivers that implement the new features and improvements of the Windows 8 storage (StorPort) driver.

Cause

This issue occurs because the StorPort driver does not limit the uncached allocation to a 4-gigabyte (GB) region.

Resolution

This hotfix is also available at Microsoft Update Catalog.

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, go to 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

To apply this hotfix, you must be running Windows 8 or Windows Server 2012.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

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 8 and Windows Server 2012 file information notesImportant 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, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    Version

    Product

    Milestone

    Service branch

    6.2.920 0.16xxx

    Windows 8 and Windows Server 2012

    RTM

    GDR

    6.2.920 0.20xxx

    Windows 8 and Windows Server 2012

    RTM

    LDR

  • 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 8 and Windows Server 2012" 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 8

File name

File version

File size

Date

Time

Platform

Storport.sys

6.2.9200.16654

302,936

29-Jun-2013

04:29

x86

Storport.sys

6.2.9200.20761

302,936

29-Jun-2013

04:43

x86

For all supported x64-based versions of Windows 8 and of Windows Server 2012

File name

File version

File size

Date

Time

Platform

Storport.sys

6.2.9200.16654

332,632

29-Jun-2013

06:17

x64

Storport.sys

6.2.9200.20761

331,096

29-Jun-2013

08:56

x64

For all supported ARM-based versions of Windows 8

File name

File version

File size

Date

Time

Platform

Storport.sys

6.2.9200.16654

261,464

29-Jun-2013

03:44

Not Applicable


Status

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

References

See the terminology Microsoft uses to describe software updates.

Additional file information for Windows 8 and for Windows Server 2012

Additional files for all supported x86-based versions of Windows 8

File name

X86_118452e3ffff991074d6f9fe21ffccfa_31bf3856ad364e35_6.2.9200.20761_none_c472929be67bdcf9.manifest

File version

Not Applicable

File size

696

Date (UTC)

30-Jun-2013

Time (UTC)

20:51

Platform

Not Applicable

File name

X86_28d5799d124fad932472a952561fea9f_31bf3856ad364e35_6.2.9200.16654_none_a978b29c1040f5b9.manifest

File version

Not Applicable

File size

696

Date (UTC)

30-Jun-2013

Time (UTC)

20:51

Platform

Not Applicable

File name

X86_microsoft-windows-storport_31bf3856ad364e35_6.2.9200.16654_none_2447d000017d4e36.manifest

File version

Not Applicable

File size

64,135

Date (UTC)

29-Jun-2013

Time (UTC)

04:33

Platform

Not Applicable

File name

X86_microsoft-windows-storport_31bf3856ad364e35_6.2.9200.20761_none_24c39c011aa5bdec.manifest

File version

Not Applicable

File size

64,135

Date (UTC)

29-Jun-2013

Time (UTC)

04:47

Platform

Not Applicable

Additional files for all supported x64-based versions of Windows 8 and of Windows Server 2012

File name

Amd64_73141407b71ca88b13602d9ce2090d23_31bf3856ad364e35_6.2.9200.20761_none_c5be185af52b1b4e.manifest

File version

Not Applicable

File size

700

Date (UTC)

30-Jun-2013

Time (UTC)

20:55

Platform

Not Applicable

File name

Amd64_8a2d0c7b72a91a6c1dcf2c8fe4c1decb_31bf3856ad364e35_6.2.9200.16654_none_067557e9049c4c75.manifest

File version

Not Applicable

File size

700

Date (UTC)

30-Jun-2013

Time (UTC)

20:55

Platform

Not Applicable

File name

Amd64_microsoft-windows-storport_31bf3856ad364e35_6.2.9200.16654_none_80666b83b9dabf6c.manifest

File version

Not Applicable

File size

64,137

Date (UTC)

29-Jun-2013

Time (UTC)

06:21

Platform

Not Applicable

File name

Amd64_microsoft-windows-storport_31bf3856ad364e35_6.2.9200.20761_none_80e23784d3032f22.manifest

File version

Not Applicable

File size

64,137

Date (UTC)

29-Jun-2013

Time (UTC)

09:16

Platform

Not Applicable

Additional files for all supported ARM-based versions of Windows 8

File name

Arm_01ed156826b747cbb4ccf218179f7ef6_31bf3856ad364e35_6.2.9200.16654_none_67c3fa1ae0e54c2f.manifest

File version

Not Applicable

File size

696

Date (UTC)

30-Jun-2013

Time (UTC)

20:49

Platform

Not Applicable

File name

Arm_microsoft-windows-storport_31bf3856ad364e35_6.2.9200.16654_none_244a4258017a6cfc.manifest

File version

Not Applicable

File size

64,135

Date (UTC)

29-Jun-2013

Time (UTC)

03:48

Platform

Not Applicable


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