Ditto on this same error - here are my specs
System: Windows 7 Home Premium
Graphics card: 580 GTX
browser: Chrome
C2 release : r60
How it happened:
I started up C2, after I finished working on an animation in flash and exported my frames, I created a new sprite in my project and imported my images. This sprite was replacing another sprite for an attack move. After I deleted the OLD attack sprite from the project layout it began to crash.
I tried reopening C2, but it kept crashing so I reinstalled it and I could open my project again. It saw the new sprite and its animation. I proceeded to remove all Event instances from the event sheet where the old sprite was being called up, replacing it with the new one.
I ran preview and the same error that maximage has appeared for me. I hit ignore and continued to the browser. Eventually after using the preview button and hitting the ignore button C2 began crashing again.