Open Software Solutions

Consider the following scenario:

•	You have a Windows Vista-based computer that has multiple processors, such as a dual-core processor. Or, the computer has a hyperthreading-enabled processor.
•	You run a program that uses the waveOutWrite function.

In this scenario, the waveOutWrite function returns the following error message:

The waveOutWrite function continues to return this error message until you exit the program. Additionally, audio playback does not work as expected when you run the program.

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Hotfix information

Windows Vista, x86-based versions

The following file is available for download from the Microsoft Download Center:
Download the Windows6.0-KB936316-x86.msu package now. (http://download.microsoft.com/download/4/7/9/47923B0D-52B6-4684-A678-27CB69FD5BE0/Windows6.0-KB936316-x86.msu)Release Date: May 2, 2007

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Windows Vista, x64-based versions

The following file is available for download from the Microsoft Download Center:
Download the Windows6.0-KB936316-x64.msu package now. (http://download.microsoft.com/download/4/7/9/47923B0D-52B6-4684-A678-27CB69FD5BE0/Windows6.0-KB936316-x64.msu)Release Date: May 2, 2007

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites

No prerequisites are required

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 item in Control Panel.

Windows Vista, x86-based versions

File name	File version	File size	Date	Time	Platform
Update.mum	Not Applicable	1,787	02-May-2007	20:10	Not Applicable
X86_583b25b6a5a02009c69f07e7a04a2cc3_31bf3856ad364e35_6.0.6000.20590_none_5289f997f7223e9e.manifest	Not Applicable	703	02-May-2007	20:10	Not Applicable
X86_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.0.6000.20590_none_74e1cf3400dfcfde.manifest	Not Applicable	139,515	02-May-2007	20:18	Not Applicable
Audiocore.mof	Not Applicable	4,349	07-Jan-2007	05:26	Not Applicable
Audiodg.exe	6.0.6000.20590	88,064	02-May-2007	10:54	x86
Audioeng.dll	6.0.6000.20590	398,848	02-May-2007	11:32	x86
Audiokse.dll	6.0.6000.20590	273,408	02-May-2007	11:32	x86
Audioses.dll	6.0.6000.20590	115,712	02-May-2007	11:32	x86
Audiosrv.dll	6.0.6000.20590	310,272	02-May-2007	11:32	x86
Encdump.dll	5.0.1.1	169,984	02-May-2007	11:33	x86

Windows Vista, 64-bit versions

File name	File version	File size	Date	Time	Platform
Amd64_afc8dcaffd32036126392936ea473fb8_31bf3856ad364e35_6.0.6000.20590_none_28217bbe814253ca.manifest	Not Applicable	1,056	02-May-2007	20:10	Not Applicable
Amd64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.0.6000.20590_none_d1006ab7b93d4114.manifest	Not Applicable	139,557	02-May-2007	20:22	Not Applicable
Update.mum	Not Applicable	2,020	02-May-2007	20:10	Not Applicable
Wow64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.0.6000.20590_none_db551509ed9e030f.manifest	Not Applicable	130,495	02-May-2007	20:22	Not Applicable
Audiocore.mof	Not Applicable	4,349	07-Jan-2007	05:26	Not Applicable
Audiodg.exe	6.0.6000.20590	111,104	02-May-2007	11:17	x64
Audioeng.dll	6.0.6000.20590	480,768	02-May-2007	12:37	x64
Audiokse.dll	6.0.6000.20590	311,296	02-May-2007	12:37	x64
Audioses.dll	6.0.6000.20590	193,024	02-May-2007	12:37	x64
Audiosrv.dll	6.0.6000.20590	445,952	02-May-2007	12:37	x64
Encdump.dll	5.0.1.1	200,704	02-May-2007	12:38	x64
Audiocore.mof	Not Applicable	4,349	07-Jan-2007	05:26	Not Applicable
Audiodg.exe	6.0.6000.20590	88,064	02-May-2007	10:54	x86
Audioeng.dll	6.0.6000.20590	398,848	02-May-2007	11:32	x86
Audiokse.dll	6.0.6000.20590	273,408	02-May-2007	11:32	x86
Audioses.dll	6.0.6000.20590	115,712	02-May-2007	11:32	x86

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

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For more information about the waveOutWrite function, visit the following Microsoft Web site:

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

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