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"PAGE_FAULT_IN_NONPAGED_AREA" Error Message When You Try to Switch Tasks by Using ALT+TAB

SYMPTOMS
When you try to switch tasks by pressing ALT+TAB, the operating system may stop unexpectedly, and you may receive an error message similar to the following:
PAGE_FAULT_IN_NONPAGED_AREA
0x00000050 (0xA2958ECC, 0x00000000, 0xA0064601, 0x00000001)
RESOLUTION

Service Pack Information

To resolve this problem, obtain the latest service pack for Microsoft Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack

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.

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, submit a request to 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. The English version of this fix has the file attributes (or later) 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 tool in Control Panel.
Date        Time   Version       Size       File name--------------------------------------------------------22-Nov-2002 17:54  5.0.2195.5265    42,256  Basesrv.dll22-Nov-2002 17:54  5.0.2195.5907   222,992  Gdi32.dll22-Nov-2002 17:54  5.0.2195.6137   709,392  Kernel32.dll22-Nov-2002 17:54  5.0.2195.6090   332,560  Msgina.dll22-Nov-2002 17:54  5.0.2195.6097   379,664  User32.dll22-Nov-2002 17:54  5.0.2195.6085   370,448  Userenv.dll22-Nov-2002 17:53  5.0.2195.6139 1,643,344  Win32k.sys29-Oct-2002 10:59  5.0.2195.6108   179,472  Winlogon.exe22-Nov-2002 17:54  5.0.2195.6097   243,472  Winsrv.dll				



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 4.
MORE INFORMATION
For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:
265173 The Datacenter Program and Windows 2000 Datacenter Server Product
For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:
296861 Use QChain.exe to Install Multiple Hotfixes with One Reboot
blue screen bluescreen
Properties

Article ID: 810159 - Last Review: 02/01/2007 02:46:37 - Revision: 1.10

Microsoft Windows 2000 Service Pack 3, Microsoft Windows 2000 Server SP2, Microsoft Windows 2000 Server SP1, Microsoft Windows 2000 Service Pack 3, Microsoft Windows 2000 Professional SP2, Microsoft Windows 2000 Professional SP1, Microsoft Windows 2000 Advanced Server SP3, Microsoft Windows 2000 Advanced Server SP2, Microsoft Windows 2000 Advanced Server SP1

  • kbautohotfix kbhotfixserver kbqfe kbshell kbwin2ksp4fix kbwin2000presp4fix kbfix kbbug KB810159
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