During the testing the following steps seem like a very consistent way of making C2 crash:
1. Clone Object Type on Layout
2. Paste it in Layout
3. Double Click new object.
4. Duplicate an animation
5. Click new animation
6. Add frames from gif or just an empty frame.
7. Close Editor
8. Save
9. Move Windows Taskbar.
10. Crash
I tried following these steps 3 times in a row in the same project and it worked fine. However no starting project was provided, so I just used the Ghost Shooter tutorial version and cloned the player.
I'm afraid unless there's a way I can observe the issue, which is best achieved by finding reliable steps to reproduce the problem, then it will be extremely difficult to make any progress on this issue.