I am having the exact same problem. I am using Flash Professional CC with a Cintiq 24 HD Touch. Hope someone can address this...
Can you please provide the exact steps/Information to reproduce this issue form our end.
Which Drawing Tablet you are using ,Model and Driver version.
Your system resolutions,
Flash CC Version
and exact steps or on doing what operations Flash is crashing?
That was a quick fix to what seemed impossible the other night.I really appreciate it.