100 percent of your CPU usage is consumed when you run WinSNMP on a Windows XP-based computer

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.

This article has been archived. It is offered "as is" and will no longer be updated.
When you run a WinSNMP program that listens to Simple Network Management Protocol (SNMP) traps in one of the Windows operating systems that are listed in the "Applies to" section, 100 percent of your CPU usage is consumed.

Note This problem may occur even after the SNMP Trap Sender program stops sending traps.

Hotfix file 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.
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    SP level   ----------------------------------------------------------------   13-Aug-2004  10:59  5.1.2600.1583  38,912  Wsnmp32.dll  SP1QFE   13-Aug-2004  10:52  5.1.2600.2505  41,984  Wsnmp32.dll  SP2QFE
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For additional information, 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

Article ID: 867795 - Last Review: 12/08/2015 07:42:13 - Revision: 2.3

Microsoft Windows XP Professional Service Pack 2 (SP2), Microsoft Windows XP Home Edition Service Pack 2 (SP2), Microsoft Windows XP Media Center Edition Service Pack 2 (SP2), Microsoft Windows XP Tablet PC Edition 2005, Microsoft Windows XP Professional SP1, Microsoft Windows XP Home Edition SP1, Microsoft Windows XP Media Center Edition 2004

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