This means the product failed in an unexpected way, so there was no graceful error routine within the product.
Please do a search here on BOB for “c0000005” or “unhandled exception” (without quotes). This has been discussed many times in the past. You may want to start with this this FAQ entry, as well as this other topic to start.
If searching past discussions on this board doesn’t help, this is the sort of thing for which you need to go to tech support.
Anita Craig 
(BOB member since 2002-06-17)