please help me, i noticed that every time i work on my animation and then goto save it, Maya 2012 crashes all of a sudden. I cant progress with my work now coz this happens every time. Please help me, this assignment is due in tomoz!!!!! :'(

Heres a link to my work:

https://www.dropbox.com/s/huw7zxgg6s...11_1204.mb.zip

Thank you