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Article ID: 940059 - Last Review: May 21, 2008 - Revision: 3.1

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SYMPTOMS

You connect a USB Webcam to a Windows Vista-based computer that is using an AMD chipset. Then, you may experience severe video degradation in both the video output of the Webcam and the video output of other video-based programs. You may also receive a Stop error on a blue screen. This problem occurs when the output resolution of the Webcam is set to 960 × 720 or to a higher resolution.

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

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

No prerequisites are required.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Hccoin.dll6.0.6000.206468,70424-Jul-200702:33x86
Update.mumNot Applicable2,73324-Jul-200712:50Not Applicable
Usbd.sys6.0.6000.206465,88824-Jul-200701:41Not Applicable
Usbehci.sys6.0.6000.2064638,40024-Jul-200701:41x86
Usbhub.sys6.0.6000.20646193,53624-Jul-200701:42x86
Usbohci.sys6.0.6000.2064619,45624-Jul-200701:41x86
Usbport.sys6.0.6000.20646224,76824-Jul-200701:42x86
Usbuhci.sys6.0.6000.2064623,04024-Jul-200701:41x86
X86_usb.inf_31bf3856ad364e35_6.0.6000.20646_none_c97685412a846cef.manifestNot Applicable2,35624-Jul-200712:50Not Applicable
X86_usbport.inf_31bf3856ad364e35_6.0.6000.20646_none_bc407dbe1f9fbad6.manifestNot Applicable5,38624-Jul-200712:50Not Applicable
Usbccgp.sys6.0.6000.2064673,21624-Jul-200701:42x86
Usbhub.sys6.0.6000.20646193,53624-Jul-200701:42x86
Windows Vista, 64-bit versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Amd64_usb.inf_31bf3856ad364e35_6.0.6000.20646_none_259520c4e2e1de25.manifestNot Applicable2,35824-Jul-200712:54Not Applicable
Amd64_usbport.inf_31bf3856ad364e35_6.0.6000.20646_none_185f1941d7fd2c0c.manifestNot Applicable5,38824-Jul-200712:54Not Applicable
Hccoin.dll6.0.6000.2064610,75224-Jul-200703:32x64
Update.mumNot Applicable2,73324-Jul-200712:50Not Applicable
Usbd.sys6.0.6000.206467,55224-Jul-200702:02x64
Usbehci.sys6.0.6000.2064648,12824-Jul-200702:02x64
Usbhub.sys6.0.6000.20646268,28824-Jul-200702:02x64
Usbohci.sys6.0.6000.2064624,06424-Jul-200702:02x64
Usbport.sys6.0.6000.20646258,04824-Jul-200702:02x64
Usbuhci.sys6.0.6000.2064628,67224-Jul-200702:02x64
Usbccgp.sys6.0.6000.2064695,74424-Jul-200702:02x64
Usbhub.sys6.0.6000.20646268,28824-Jul-200702:02x64

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.

MORE INFORMATION

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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

APPLIES TO
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Starter
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Ultimate
Keywords: 
kbautohotfix kbvistasp1fix kbbug kbfix kbexpertisebeginner kbwinvistapostrtmfix kbqfe kbhotfixserver KB940059
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