Crashing when adding E.R in applications



I'm running the demo (junior/Oneworld Xe b733 sp13) on win2k pro sp1
When I add an event rule to an application and then try to save the application, it hangs and to only way out is to kill it off.
I notice when I try to validate my E.R the message

cer status 1003 no existing event rules specifications exists.

My coworkers have the same problem (also win2k but sp2)
Can someone help us out?