Please for Cases of crash, open a support ticket and we need the information below:
1/ Reproduction frequency of the problem?
2/ Is this issue happens on all presets?
2.a/ If not, please specify the preset Name
3/ Provide us more details about your Customers System?
OS, driver, sample rate, buffer audio..
4/ Provide us the Crash Log:
Path of the log (MAC) : User / Library / Preferences / Ableton / Live <Version> / Log.txt
Path of the log (WIN) : C:\Users\<Your Name>\AppData\Roaming\Ableton\Live <version>\Preferences\Crash