You may experience poor video quality when you use interlaced mode on a Windows Vista-based computer

View products that this article applies to.

SYMPTOMS

When you configure the video functionality to use interlaced mode on a Windows Vista-based computer, you may experience poor video quality. Specifically, the video output may be very jerky. You may also notice many dropped frames.

Back to the top

RESOLUTION

Service pack information

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

935791 (http://support.microsoft.com/kb/935791/ ) How to obtain the latest Windows Vista service pack

Back to the top

Update information

The following files are available for download from the Microsoft Download Center:

Collapse this imageExpand this image

Download the Update for Windows Vista (KB932649) package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=F61B68D5-96D5-4D53-97D7-47830A8436E7)

Collapse this imageExpand this image

Download the Windows Vista 64-bit versions (KB932649) package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=F7E97FFC-31B4-434E-8B65-0B23C4CAFF9A)

Release Date: March 27, 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:

119591 (http://support.microsoft.com/kb/119591/ ) How to obtain Microsoft support files from online services

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.

File information

The English version of this update 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

Collapse this tableExpand this table

File name	File version	File size	Date	Time	Platform
Dwmapi.dll	6.0.6000.20533	39,936	09-Feb-2007	03:34	x86
Evr.dll	5.0.1.1	474,624	09-Feb-2007	03:34	x86
Milcore.dll	6.0.6000.20533	2,014,720	09-Feb-2007	03:35	x86
Package_1_for_kb932649~31bf3856ad364e35~x86~~6.0.3.0.mum	Not applicable	2,010	09-Feb-2007	23:36	Not applicable
Package_2_for_kb932649~31bf3856ad364e35~x86~~6.0.3.0.mum	Not applicable	1,792	09-Feb-2007	23:36	Not applicable
Update.mum	Not applicable	1,897	09-Feb-2007	23:36	Not applicable
X86_260395ffa0642bf8481fe54365afc63f_31bf3856ad364e35_6.0.6000.20533_none_3a56a9514095b0a8.manifest	Not applicable	709	09-Feb-2007	23:36	Not applicable
X86_9dae430560c037e696dc52dccf890d88_31bf3856ad364e35_6.0.6000.20533_none_f3d73ba4e7ed6d31.manifest	Not applicable	712	09-Feb-2007	23:36	Not applicable
X86_microsoft-windows-d..opwindowmanager-api_31bf3856ad364e35_6.0.6000.20533_none_de94d0005c0a0f57.manifest	Not applicable	8,248	09-Feb-2007	23:38	Not applicable
X86_microsoft-windows-enhancedvideorenderer_31bf3856ad364e35_6.0.6000.20533_none_8e28691ee8933377.manifest	Not applicable	11,820	09-Feb-2007	23:38	Not applicable

Windows Vista, 64-bit versions

Collapse this tableExpand this table

File name	File version	File size	Date	Time	Platform
Amd64_40427d8b9b00a795453cfb2ba44d8591_31bf3856ad364e35_6.0.6000.20533_none_b4a6d14dd3cc2a2f.manifest	Not applicable	716	09-Feb-2007	23:36	Not applicable
Amd64_666b4633961977e77582af4a52bd972f_31bf3856ad364e35_6.0.6000.20533_none_0bd9297bb509adbc.manifest	Not applicable	1,066	09-Feb-2007	23:36	Not applicable
Amd64_9dae430560c037e696dc52dccf890d88_31bf3856ad364e35_6.0.6000.20533_none_4ff5d728a04ade67.manifest	Not applicable	714	09-Feb-2007	23:36	Not applicable
Amd64_microsoft-windows-d..opwindowmanager-api_31bf3856ad364e35_6.0.6000.20533_none_3ab36b841467808d.manifest	Not applicable	8,282	09-Feb-2007	23:43	Not applicable
Amd64_microsoft-windows-enhancedvideorenderer_31bf3856ad364e35_6.0.6000.20533_none_ea4704a2a0f0a4ad.manifest	Not applicable	11,846	09-Feb-2007	23:43	Not applicable
Dwmapi.dll	6.0.6000.20533	39,936	09-Feb-2007	04:54	x64
Evr.dll	5.0.1.1	648,704	09-Feb-2007	04:54	x64
Milcore.dll	6.0.6000.20533	2,565,120	09-Feb-2007	04:55	x64
Package_1_for_kb932649~31bf3856ad364e35~amd64~~6.0.3.0.mum	Not applicable	2,022	09-Feb-2007	23:36	Not applicable
Package_2_for_kb932649~31bf3856ad364e35~amd64~~6.0.3.0.mum	Not applicable	2,711	09-Feb-2007	23:36	Not applicable
Update.mum	Not applicable	1,897	09-Feb-2007	23:36	Not applicable

Note Because of file dependencies, the Dwmapi.dll file is included in this update package. However, no changes are made to the Dwmapi.dll file in this update.

Back to the top

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Vista Service Pack 1.

Back to the top

MORE INFORMATION

For more information about high-definition formats, visit the following Microsoft Web site:

http://www.microsoft.com/windows/windowsmedia/howto/articles/UnderstandingHDFormats.aspx (http://www.microsoft.com/windows/windowsmedia/howto/articles/UnderstandingHDFormats.aspx)

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

816915 (http://support.microsoft.com/kb/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 (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

Back to the top