Every time Audition runs and crashes it creates an error report. There's information about this in the FAQs:
https://forums.adobe.com/thread/900619
https://forums.adobe.com/thread/962397
What you need to do is firstly to try some of the things in the second link, and ultimately if this gets you nowhere, send the crash dump to audbugs@adobe.com where the devs will take a look at it, and contact you directly.