Microsoft KB Archive/904375

= You receive a &quot;STOP 0x00000041 MUST_SUCCEED_POOL_EMPTY&quot; error message on a Windows 2000 Service Pack 4-based computer =

Article ID: 904375

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Windows 2000 Datacenter Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Service Pack 4
 * Microsoft Windows 2000 Professional Edition

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SYMPTOMS
Consider the following scenario:
 * You use a program that runs NetBIOS functions.
 * The program runs for a long time.
 * You run this program on a Microsoft Windows 2000 Service Pack 4 (SP4)-based computer.

In this scenario, the computer may stop responding (hang). Then, you receive a Stop error message that is similar to the following:

STOP 0x00000041 MUST_SUCCEED_POOL_EMPTY (0x1000,0x440,0x2E,0x1)

Note The four parameters in this error message may vary.



CAUSE
This problem occurs because of a pool memory leak in the Netbios.sys driver.



Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;[LN;CNTACTMS]

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites
To install this hotfix, you must have Windows 2000 Service Pack 4 (SP4) installed on your computer.

Restart requirement
You must restart your computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

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 tool in Control Panel.   Date         Time   Version            Size    File name --  12-Aug-2005  04:51  5.0.2195.7061      33,488  Netbios.sys 25-Feb-2005 17:43  6.1.22.4          371,936  Updspapi.dll



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For more information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:

816915 New file naming schema for Microsoft Windows software update packages

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional query words: Bugcheck 41 STOP 0x41 STOP 41

Keywords: kbbug kbfix kbwin2000presp5fix kbpubtypekc kbhotfixserver kbqfe KB904375

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