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Stop error during the shutdown process on a Windows Server 2008 or Windows Vista SP1-based computer: "Stop error code 0x00000050 (PAGE_FAULT_IN_NONPAGED_AREA)"

This article has been archived. It is offered "as is" and will no longer be updated.
Support for Windows Vista Service Pack 1 (SP1) ends on July 12, 2011. To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows.
Symptoms
On a computer that is running Windows Vista Service Pack 1 or Windows Server 2008, you may receive a Stop error message that resembles the following:
Stop 0x00000050 (parameter1, parameter2, parameter3, parameter4)
PAGE_FAULT_IN_NONPAGED_AREA during the shutdown process
Note Not all "0x00000050" Stop errors are caused by this problem. The issue occurs more frequently when BitLocker Drive Encryption is turned on.
Cause
This issue occurs because, during the shutdown process, memory manager tries to zero out all page files. However, memory manager incorrectly sets a wrong flag to the header of a Memory Descriptor List (MDL).This causes other drivers to be able to access the zeroed memory space.
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: 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.

Important Windows Vista and Windows Server 2008 hotfixes are included in the same packages. However, only one of these products may be listed on the “Hotfix Request” page. To request the hotfix package that applies to both Windows Vista and Windows Server 2008, just select the product that is listed on the page.

Prerequisites

To apply this hotfix on Windows Vista-based computers, you must have Windows Vista SP1 installed. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista service pack
No prerequisites are required for Windows Server 2008-based computers.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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
File nameFile versionFile sizeDateTimePlatform
Ntkrnlpa.exe6.0.6001.222443,601,46415-Aug-200803:35Not Applicable
Ntoskrnl.exe6.0.6001.222443,549,24015-Aug-200803:35Not Applicable
For all supported 64-bit versions of Windows Server 2008 and of Windows Vista
File nameFile versionFile sizeDateTimePlatform
Ntoskrnl.exe6.0.6001.222444,694,07215-Aug-200804:41x64
For all supported Itanium-based versions of Windows Server 2008
File nameFile versionFile sizeDateTimePlatform
Ntoskrnl.exe6.0.6001.222449,494,07215-Aug-200805:15IA-64
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More information

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
File nameFile versionFile sizeDateTimePlatform
Package_for_kb955803_client_1~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,36715-Aug-200817:48Not Applicable
Package_for_kb955803_client~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,43115-Aug-200817:48Not Applicable
Package_for_kb955803_sc_0~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,42115-Aug-200817:48Not Applicable
Package_for_kb955803_sc~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,42315-Aug-200817:48Not Applicable
Package_for_kb955803_server_0~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,42515-Aug-200817:48Not Applicable
Package_for_kb955803_server~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,43115-Aug-200817:48Not Applicable
Package_for_kb955803_winpesrv_0~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,42215-Aug-200817:48Not Applicable
Package_for_kb955803_winpesrv~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,42915-Aug-200817:48Not Applicable
X86_microsoft-windows-os-kernel_31bf3856ad364e35_6.0.6001.22244_none_6c92c1c9cd5d8479.manifestNot Applicable17,80615-Aug-200804:09Not Applicable
Additional files for all supported 64-bit versions of Windows Server 2008 and of Windows Vista
File nameFile versionFile sizeDateTimePlatform
Amd64_microsoft-windows-os-kernel_31bf3856ad364e35_6.0.6001.22244_none_c8b15d4d85baf5af.manifestNot Applicable16,51215-Aug-200805:04Not Applicable
Package_for_kb955803_client_1~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,37515-Aug-200817:48Not Applicable
Package_for_kb955803_client~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43915-Aug-200817:48Not Applicable
Package_for_kb955803_sc_0~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,42915-Aug-200817:48Not Applicable
Package_for_kb955803_sc~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43115-Aug-200817:48Not Applicable
Package_for_kb955803_server_0~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43315-Aug-200817:48Not Applicable
Package_for_kb955803_server~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43915-Aug-200817:48Not Applicable
Package_for_kb955803_winpesrv_0~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43015-Aug-200817:48Not Applicable
Package_for_kb955803_winpesrv~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43715-Aug-200817:48Not Applicable
Additional files for all supported Itanium-based versions of Windows Server 2008
File nameFile versionFile sizeDateTimePlatform
Ia64_microsoft-windows-os-kernel_31bf3856ad364e35_6.0.6001.22244_none_6c9465bfcd5b8d75.manifestNot Applicable16,81915-Aug-200805:36Not Applicable
Package_for_kb955803_sc_0~31bf3856ad364e35~ia64~~6.0.1.0.mumNot Applicable1,42515-Aug-200817:48Not Applicable
Package_for_kb955803_sc~31bf3856ad364e35~ia64~~6.0.1.0.mumNot Applicable1,42615-Aug-200817:48Not Applicable
Package_for_kb955803_server_0~31bf3856ad364e35~ia64~~6.0.1.0.mumNot Applicable1,42915-Aug-200817:48Not Applicable
Package_for_kb955803_server~31bf3856ad364e35~ia64~~6.0.1.0.mumNot Applicable1,43415-Aug-200817:48Not Applicable
Package_for_kb955803_winpesrv_0~31bf3856ad364e35~ia64~~6.0.1.0.mumNot Applicable1,42615-Aug-200817:48Not Applicable
Package_for_kb955803_winpesrv~31bf3856ad364e35~ia64~~6.0.1.0.mumNot Applicable1,43315-Aug-200817:48Not Applicable
Properties

Article ID: 955803 - Last Review: 01/16/2015 10:29:08 - Revision: 4.0

  • Windows Vista Service Pack 1
  • Windows Server 2008 Standard
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Standard without Hyper-V
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
  • kbnosurvey kbarchive kbsurveynew kbautohotfix kbexpertiseinter kbfix kbbug kbqfe KB955803
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