I wonder if the printer driver, the letter applet, the AC printing spool, and Dragon is over utilizing the 7gb of RAM?
If so, I wonder if putting Dragon to sleep will prevent this problem? Adding more RAM? Or is it a processor thing?
You certainly have enough RAM for all the programs, including Dragon Medical 10.1. I am using essentially the same setup (Intel Core 2 Duo, Dragon Med 10.1, AC 5.029) plus my email program, Chrome browser and Java 6 (running Updox), with 4 GB of RAM -- and no crashes with the letter writer.
My thoughts are:
-- Is the OS Win 7 64 bit? Some printer drivers need to be updated for 64bit.
-- Network problem (since error happens saving the letter to the database). Can you reproduce the error/crash on another client computer, or on the computer with the AC database?