Animate CC crash

Hello,

Since the last update of animate cc, I have crashes regularly as soon as I duplicate objects on the scene or when I drop an object from the library on the scene... Re-creating the preferences doesn't work, I have to delete the folder c:\Users\myName\AppData\Roaming\Adobe\Adobe\animate so that the problem is fixed... temporarily, since I have to do the manipulation again every 2 or 3 days... Does anyone have any idea how to get me out of this? I uninstalled the old versions, uninstalled and reinstalled the new one, but nothing works...

Thank you in advance!