On Sep 10, 2009, at 12:04 AM, Steve wrote: > Yes this is indeed a FB4.app > > I don't see any traceback information. This is from a PPC running > 10.4.11 > Steve, Have you tried building the app with "Include debugger labels" for OS X traceback on the "debug" tab of FB4 preferences? Another possibility ( assuming you know the general area of code that fails based on what the user was doing when it failed ) is running with the FB4 debugger. Don't forget to turn OFF verification of toolboxes at startup ( debugger tab ) and the rebuilding toolbox names at init on the Advanced tab. Brian S