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Article ID: 812308 - Last Review: May 14, 2007 - Revision: 2.5

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SYMPTOMS

When you are using a Webcam and a video capture program to capture video, the video capture frame rate may slowly decrease. After this decrease occurs, your video capture program may stop responding (hang). This symptom occurs if the following conditions are true:
  • Your Webcam is connected to a universal serial bus (USB) version 2.0 Enhanced Host Controller Interface (EHCI) USB controller.
  • You are using a USB 2.0 isynchronous Webcam to capture video.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
322389  (http://support.microsoft.com/kb/322389/EN-US/ ) How to obtain the latest Windows XP service pack

Hotfix information



The English version of this hotfix has the file attributes (or later) 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 tool in Control Panel.
   Date         Time   Version        Size    File name
   ------------------------------------------------------
   04-Mar-2003  22:13  5.1.2600.1180  19,328  Usbehci.sys
				

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 Microsoft Windows XP Service Pack 2.

MORE INFORMATION

Microsoft NetMeeting is an example of a program that you can use to capture video.

APPLIES TO
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
Keywords: 
kbhotfixserver kbqfe kbwinxpsp2fix kbqfe kbwinxppresp2fix kbfix kbbug KB812308
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