Microsoft KB Archive/306582

= Memory Leak When You Use an Audio Driver That Takes Advantage of the Portcls DMusicPort =

Q306582

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The information in this article applies to:


 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Professional

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SYMPTOMS
When you use an audio driver that takes advantage of the Portcls DMusicPort in Windows XP, a memory leak can occur. This can cause the computer to lose system resources and run more slowly.

CAUSE
This problem occurs with the any audio driver that takes advantage of the Portcls DMusicPort in Windows XP.

RESOLUTION
A supported fix is now available from Microsoft, but it is only intended to correct the problem described in this article and should be applied only to systems experiencing this specific problem. This fix may receive additional testing at a later time, to further ensure product quality. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows XP service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/directory/overview.asp

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

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

  Date         Time   Version      Size     File name    Platform -  29-Aug-2001  15:58  5.1.2600.10  132,864  Portcls.sys  i386 29-Aug-2001 15:57  5.1.2600.10  528,768  Portcls.sys  Itanium 64-bit

STATUS
Microsoft has confirmed this to be a problem in the Microsoft products that are listed at the beginning of this article.

MORE INFORMATION
The third-party products discussed in this article are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

Additional query words:

Keywords : kbWinXPpreSP1fix

Issue type : kbbug

Technology : kbWinXPHome kbWinXPPro kbWinXPProSearch kbWinXPHomeSearch kbWinXPSearch

Last Reviewed: December 10, 2001

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