I have my students working in iMovie. A few are having trouble with it shutting down suddenly. It seems to happen most often when they click on the icon for the text tool. I have deleted the plist file and we have updated iMovie. Any ideas on what else I could do? I looked at the crash report and noticed this:

Exception type: EXC_BAD_ACCESS (SIGBUS)
Exception code: KERN_PROTECTION_FAILURE

Thanks