The issue is if you open a ,ics then the associated .icd, COMPOSE will crash. If you open the drawing first, all is ok.

NOTE: Version 2012 Product Update 2 must be installed before applying this Hotfix.


To install this Hotfix:
Close IronCAD
Unzip and Copy the attached file(s) (based on your Windows version) to \Program Files\IronCAD\2012\bin