NAV Crashing

[seabird20]

I am running NAV 2004 on my small business system. Periodically it crashes when retrieving mail resulting in the following entry in the Event Log:

Faulting application ccapp.exe, version 2.1.6.3, faulting module asengbay.dll, version 2004.1.4.17, fault address 0x00010209.

For more information, see Help and Support Center at

http://go.microsoft.com/fwlink/events.asp.

I cannot restart the application easily. The simplest thing to do is reboot. Has anyone seen this before? Does anyone have an idea what might be going on?

Thanks in advance for any thoughts.

Regards

Chris