http://www.microsoft.com/windows2000...exctrlst-o.asp
Run exctrlst.exe (Extensible Counter Listing Tool) from the resource kit (see the link below for download) and disable the counter if you don't use it.
As per Microsoft: "The extensible counter list utility (EXCTRLST.EXE) is used to obtain information about the extensible performance counter dynamic-link libraries (DLLs) on a computer running Windows NT/Windows 2000. This utility lists the applications, drivers, and services that are registered to provide performance data through the performance registry. You can use this utility for finding information and for troubleshooting"