Please link the program with Electric Fence and run it once. That will most likely show you where the problem is by getting a fault at the offending instruction. Run it in a debugger, the core dump would be large and possibly useless. Thanks Bruce -- TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to email@example.com . Trouble? e-mail to firstname.lastname@example.org .