I don't know if this is the same but when I tried to swap to full screen it went black and didn't respond to alt tab or ctrl + alt+ del.
I had to hard reset (i didn't try esc though)
Another time it occurred was when playing windowed I went to change the volume through windows. The window...
I have tried to load config for creating a throughout the ages world, it crashed and this log was generated
https://docs.google.com/uc?id=0B5l2RT_UOCXRZmVlRGh6b0R4TlU&export=download
I have not been able generate the world at this time.
Let me know what else you need to know.