Microsoft KB Archive/944344

= usbperf Event 2004 is logged in Application log =

Article ID: 944344

Article Last Modified on 10/29/2007

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APPLIES TO


 * Windows Vista Business
 * Windows Vista Enterprise
 * Windows Vista Ultimate

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Source: Microsoft Support



RAPID PUBLISHING
RAPID PUBLISHING ARTICLES PROVIDE INFORMATION DIRECTLY FROM WITHIN THE MICROSOFT SUPPORT ORGANIZATION. THE INFORMATION CONTAINED HEREIN IS CREATED IN RESPONSE TO EMERGING OR UNIQUE TOPICS, OR IS INTENDED SUPPLEMENT OTHER KNOWLEDGE BASE INFORMATION.



Action


Result
In the Application Event log on a Windows Vista computer, you may see Event 2004 as follows:

Source: usbperf

Event ID: 2004

Level: Error

Usbperf data collection failed. Collect function called with usupported Query Type.



Cause
This is a problem of the usbperf.dll file.



Resolution
You may safely ignore this event.

To work around this behavior, you may disable the usbperf performance library altogether by setting the following registry key.

1. Start Registry Editor (Regedt32.exe).

2. Locate and then click the following key in the registry:

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usbhub\Performance]

3. On the Edit menu, click Add Value, and then add the following registry value:

Value name: Disable Performance Counters

Data type: REG_DWORD

Radix: Decimal

Value data: 1

4. Quit Registry Editor.



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Keywords: kbnomt kbrapidpub KB944344

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