Oh no! That's so frustrating. At least you managed to save it in the end. I like the pose and her hair.
Sometimes (and I know it's my fault) I forget to save my work in Photoshop and all of a sudden I'll get the pinwheel of death... and I know it's going to crash once that thing stops spinning... and I haven't saved it and I'll have to draw the whole thing again... so I just get up, walk away, and go find chocolate/cry.