When you use Windows Management Instrumentation (WMI), you may experience slow system performance, and your computer may eventually stop responding (hang).
When you view the contents of the Processes
tab in Windows Task manager, high memory usage is indicated for the Svchost.exe process, and this memory-usage value continues to increase.
This issue occurs because of a memory leak in Windows Management Instrumentation.
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:
How to obtain the latest Windows XP service pack
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
01-Apr-2004 02:53 5.1.2600.1337 161,280 Repdrvfs.dll
01-Apr-2004 02:53 5.1.2600.1331 215,552 Wbemcomn.dll
01-Apr-2004 02:53 5.1.2600.1331 479,744 Wbemcore.dll
01-Apr-2004 02:53 5.1.2600.1331 259,072 Wbemess.dll
01-Apr-2004 02:53 5.1.2600.1501 410,112 Wmiprvsd.dll
01-Apr-2004 02:53 5.1.2600.1337 104,960 Wmisvc.dll
Windows XP 64-Bit Edition
Date Time Version Size File name
01-Apr-2004 02:46 5.1.2600.1337 608,256 Repdrvfs.dll IA-64
01-Apr-2004 02:46 5.1.2600.1331 672,256 Wbemcomn.dll IA-64
01-Apr-2004 02:46 5.1.2600.1331 2,076,160 Wbemcore.dll IA-64
01-Apr-2004 02:46 5.1.2600.1331 1,095,680 Wbemess.dll IA-64
01-Apr-2004 02:46 5.1.2600.1501 1,547,264 Wmiprvsd.dll IA-64
01-Apr-2004 02:46 5.1.2600.1337 336,896 Wmisvc.dll IA-64
01-Apr-2004 02:53 5.1.2600.1331 215,552 Wwbemcomn.dll x86
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.
For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
Description of the standard terminology that is used to describe Microsoft software updates
For help with system performance issues in Windows Vista, visit the following Microsoft web page: