Microsoft KB Archive/894618

= You experience a delay when you transfer data over a USB port and CPU usage increases to 100 percent on a computer that is running Windows XP with Service Pack 2 =

Article ID: 894618

Article Last Modified on 8/29/2007

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APPLIES TO

 Microsoft Windows XP Service Pack 2, when used with:  Microsoft Windows XP Professional

 Microsoft Windows XP Home Edition

 Microsoft Windows XP Professional x64 Edition 

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SYMPTOMS
You experience a delay when you transfer data over a USB port on a computer that is running Microsoft Windows XP with Service Pack 2 (SP2). For example, you experience a delay of five seconds before the data transfer is completed. When this problem occurs, CPU usage increases to 100 percent.

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CAUSE
This problem occurs when a worker thread causes a delay during the data transfer.

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Hotfix information
A supported hotfix is now 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 service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Prerequisites
You must be running Windows XP with SP2 to apply this hotfix.

Restart requirement
You must restart your 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.

Microsoft Windows XP with Service Pack 1, Itanium-based versions
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STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

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MORE INFORMATION
For more information about terminology that Microsoft uses to describe software updates, 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

Additional query words: winxp

Keywords: kbexpertisebeginner kbwinxppresp3fix kbfix kbbug kbhotfixserver kbqfe kbpubtypekc KB894618

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