You may experience severe video degradation and a Stop error when you connect a USB Webcam to a Windows XP-based computer

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Article ID: 949033 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • You are running a Windows XP-based computer that is using an AMD chipset.
  • You connect a USB Webcam to the computer.
In this scenario, you may experience severe degradation in the video output of both the Webcam and other video-based programs. You may also experience a Stop error on a blue screen. This problem occurs when the output resolution of the Webcam is set to 960 by 720 pixels or to a higher resolution.

RESOLUTION

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.

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, submit a request to 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
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

To apply this hotfix, you must have Windows XP Service Pack 2 (SP2) or a later service pack installed. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to obtain the latest Windows XP service pack

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

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 XP with Service Pack 2, x86-based versions
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File nameFile versionFile sizeDateTimePlatformSP requirement
Usbehci.sys5.1.2600.335830,33624-Apr-200809:15x86SP2
Usbohci.sys5.1.2600.335817,15224-Apr-200809:15x86SP2
Usbport.sys5.1.2600.3358144,12824-Apr-200809:15x86SP2
Usbuhci.sys5.1.2600.335820,60824-Apr-200809:15x86SP2
Windows XP with Service Pack 3, x86-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Usbehci.sys5.1.2600.558730,33624-Apr-200811:11x86

STATUS

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

MORE INFORMATION

This problem also occurs in Windows Vista. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
940059 Severe video degradation and a Stop error may occur on a Windows Vista-based computer when you connect a USB Webcam
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
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.

Properties

Article ID: 949033 - Last Review: May 8, 2008 - Revision: 1.2
APPLIES TO
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
Keywords: 
kbautohotfix kbexpertisebeginner kbexpertiseinter kbbug kbfix kbhotfixserver kbqfe KB949033

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