Microsoft KB Archive/187518

= Applications Using Beep API on Multiprocessor Systems May Crash =

Article ID: 187518

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0, Terminal Server Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q187518



SYMPTOMS
When an application uses the Beep API on a multiprocessor system, Windows NT crashes after a couple of minutes. This problem does not occur on a single-processor system. When this occurs, you receive the following stop codes on a blue screen:

0x00000044 (0x8066df68, 0x00000000, 0x00000000, 0x00000000)

NOTE: The first parameter may vary slightly.



RESOLUTION
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack



STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.

Additional query words: beep.sys

Keywords: kbhotfixserver kbqfe kbbug kbfix KB187518

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