Maybe this:
http://support.microsoft.com/kb/828603
LogicalDisk and PhysicalDisk performance objects no longer appear after
you install Windows 2000 Service Pack 4
John
brumman wrote:
> I suppressed the perflib messages (as below) but still get hundreds of
> the annoying messages filling the log every time I boot.
>
> sample message:
> "Open Procedure for service "PerfDisk" in DLL "D:\WINNT
> \system32\perfdisk.dll" failed. ..... Status code returned is data
> DWORD 0."
>
> From MS I saw this info:
> "After you suppress performance library (perflib) event messages by
> setting the EventLogLevel registry setting as described in the
> following Microsoft Knowledge Base article, perflib continues to log
> event messages:"
> This seems to suggest a know error which was fixed in SP4 and suggests
> installiing it - but of course I already am on W2K SP4!
> Guess it's not crotical but how can I totally disable the perflib
> messages.
>
> I am now using win7 and Ubuntu but really still prefer win2k!!
>