I've had this problem for over two years now with AI CS6 and now CC. I've been going back and forth with Adobe for a long time and most recently after doing everything mentioned above (deleting preferences, creating a new user, using the cleaner tool for reinstallation, etc.). They determined that its a bug, but there has been no fix for it. Drives me completely crazy, as I literally have to save every 5 minutes. My AI only crashes with the move tool, and seems to be most commonly triggered by AI being on for an extended period, but that isnt always the case. If anyone else has any other knowledge that would be very helpful.
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