Our Project Server 2003 fires the following error in the Eventlog. What can we do?

Event Type:	Error
Event Source:	COM+
Event Category:	Unknown
Event ID:	4786
Date:		22-06-2005
Time:		11:08:42
User:		N/A
Computer:	PROJECTSERVER
Description:
The system has called a custom component and that component has failed
and generated an exception. This indicates a problem with the custom
component. Notify the developer of this component that a failure has
occurred and provide them with the information below.
Component Prog ID: 
Server Application ID: {8E5FD6D4-B3A5-411F-B8CC-5308C57F656C}
Server Application Instance ID:
{0726FEBC-68FF-48EA-9F0B-AFD68B0F3563}
Server Application Name: Microsoft Office Project Server WSS Admin Component
The serious nature of this error has caused the process to terminate.
Exception: C0000005
Address: 0x100083A3
Call Stack: 
PJOBJPRV!DllUnregisterServer + 0x4138
PJOBJPRV!DllUnregisterServer + 0x3804
 + 0x4f005c


For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.

Small discussion of similar problem over at MCSE forums:

http://www.mcse.ms/archive204-2004-10-768415.html