Try to remove configuration area in Documents and Settings/<user>/momentics/4.5
and re-start.
(Assuming you are on windows).

This particular java is known to crash eclipse on Vista. I am not sure you actually using it, momentics comes with own 
java.

Bryan Keeney wrote:
> Hello,
> 
> I recently upgraded to Momentics 4.5 and everything was working correctly.  Yesterday when closing the IDE it had an 
error which went away before I could read it.  Now whenever I launch the IDE it crashes on start up and writes out a log
 file (attached).  I have reinstalled the IDE and am still running into this crash.
> 
> I am using Java 6 Update 10.
> 
> Any insight would be helpful.
> 
> Thanks.
> 
> 
> _______________________________________________
> General
> http://community.qnx.com/sf/go/post17886