blender 2.63 crashed after reopend file

I was working on rig in blender 2.63 ajust adjust couple bones and I safed the file a try to reopen that. blender crash just white screen can’t read any issues or anything .I’m running windows 7 i cpu 980,24 gb ram ,nvidia gtx 570,I tried that file open on laptop windows 7 and same crash
cyborgninja_legs.zip (458 KB)