Hello John -
I wrote my answers next to the questions. Don't know why you did no get them? Here they are again.
Operating System - Wndows Vista Home Premium
Dreamweaver Version - Dreamweavers CS4 Version 10.0 Build 4117
Error Message - "Runtime Error - Program: Program Files\Adobe\Adobe Dreamweaver CS4\Dreamweaver. exe"
"This application has requestedthis runtime to terminate in an unusual way. Please contact the Application Spport Team for more information."
Thank you again,