I use a Macbook pro, with El Capitan, logic express always quits when trying to change the destination folder from 'bounces' when exporting Audio, even just one track is there a fix?
MacBook Pro, OS X El Capitan (10.11.3)
You will need to note the exact time, hour, minute, second when you do this. Then use Console.app to examine the log from that time and cut-and-paste a few lines from about that time.
Try to be smart about it, no one wants to pore through thousands of lines of console logs looking for the important stuff.
Logis express quits when exporting audio.
