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A Windows XP-based computer may stop responding after the wireless connection to a USB device is dropped

Support for Windows XP has ended

Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

A Windows XP-based computer may stop responding after the wireless connection to a USB device is dropped several times. In this situation, you have to restart the computer.

  • Magnetic interference may cause the connection to be dropped.
  • The more frequently the connection is dropped, the more likely this problem is to occur.
  • This problem may also occur if you plug and unplug a USB device several times without restarting the computer. For example, this problem may occur if you plug and unplug a USB memory stick or an external USB hard disk drive several times.
This problem occurs because of a memory leak in the Partmgr.sys file.

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: 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.


You must have Windows XP Service Pack 2 (SP2) installed.

Restart requirement

You have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

Registry information

To use this hotfix, you do not have to make any changes to the registry.

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.
File nameFile versionFile sizeDateTimePlatform
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684Description of the standard terminology that is used to describe Microsoft software updates

Article ID: 941036 - Last Review: 10/08/2011 15:16:00 - Revision: 2.0

  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
  • kbautohotfix kbfix kbexpertisebeginner kbexpertiseadvanced kbqfe kbHotfixServer KB941036