"Stop 0x50 in Win32k.sys" Error Message

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This article was previously published under Q281132

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SYMPTOMS

When you are running Terminal Services with multiple clients (for example, you may have Citrix clients with Citrix Serverfarm), you may receive multiple error messages on blue screens that are related to Win32k.sys. The following error message may be displayed:

STOP: 0x00000050 (0xf7f7f7fb, 0x00000000, 0xa0033dd0, 0x00000000)
PAGE_FAULT_IN_NONPAGED_AREA address 0xa0033dd0 in Win32K.sys

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CAUSE

This behavior is caused by a problem in Win32k.sys.

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RESOLUTION

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

260910 (http://support.microsoft.com/kb/260910/EN-US/ ) How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix should have the following file attributes or later:

   Date        Time     Version          Size      File name
   ------------------------------------------------------------
   5/31/2001  03:30p   5.0.2195.3649     222,480   Gdi32.dll
   5/31/2001  03:44p   5.0.2195.3660   1,641,360   Win32k.sys(uniprocessor)
   5/31/2001  03:32p   5.0.2195.3649     243,472   Winsrv.dll(uniprocessor)
   5/31/2001  03:30p   5.0.2195.3649     379,664   User32.dll
   5/31/2001  03:06p   5.0.2195.3660   1,641,360   Win32k.sys
   5/31/2001  03:32p   5.0.2195.3649     243,472   Winsrv.dll

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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 Windows 2000 Service Pack 3.

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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 (http://support.microsoft.com/kb/265173/EN-US/ ) 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 (http://support.microsoft.com/kb/296861/EN-US/ ) Use QChain.exe to Install Multiple Hotfixes with One Reboot

For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 (http://support.microsoft.com/kb/249149/EN-US/ ) Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

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