NT error: service "Oracle7" in DLL "operfdll.dll" failed

Question

We are running JavaWebServer 1.1.3 on an NT 4.0, SP 3 machine.
There are a number of Java servlets running that access an Oracle
7.3 database on another NT 4.0 machine via the Oracle JDBC driver
and sql*net.
We get the following sequence of errors in the event log,
followed by a Dr. Watson error of an access violation in
the jrew.exe (jws runtime). At this point the web server is
pretty much dead as far as trying to run any servlet.
It's strange because the last error references an Oracle service
and the operfdll.dll, which isn't even on any of the machines
involved. Does anyone have any ideas on this? I saw a thread
on another forum where someone was having the same problem,
but they were using NeXT WebObjects.
The event messages:
1) The description for Event ID ( 0 ) in Source (
\WindowServer.exe ) could
not be found. It contains the following insertion string(s):
warning: can't connect
to the nmserver; is it running?.
Source WindowsServer.exe
2) The description for Event ID ( 0 ) in Source ( \pbs.exe )
could not be
found. It contains the following insertion string(s): warning:
can't connect to
the nmserver; is it running?.
Source \pbs.exe
3) The Open Procedure for service "Oracle7" in DLL "operfdll.dll"
failed.
Performance data for this service will not be available. Status
code returned
is DWORD 0.
Source: Perflib
null

Answer 1

Hotfix loaded but didn't help.
Found a few articles referring to rebuilding the perf counter library. I ran "lodctr /R" failed first time then worked the second time. I believe the errors:
The Open Procedure for service "WDSTFTP" in DLL "C:\Windows\system32\wdstftp.dll" failed
The Open Procedure for service "WDSServer" in DLL "C:\Windows\system32\wdssrv.dll" failed
The Open Procedure for service "WDSMC" in DLL "C:\Windows\system32\wdsmc.dll" failed
Are gone but PXE boot still fails.
Do you think I might have to uninstall WDS and reinstall? "Using SCCM console to just remove PXE"
tconners