Message Hyperworks has crashed. Do you want to save your model?

Good night,

I was working on the computer (a model was launched in Optistruct, and also I was modeling in Hyperworks) and the computer turned off. Now, when I try to start Hyperworks I have the next message: "Hyperworks has crashed. Do you want to save your model?" I have tried to restart the computer and I have the same problem. What can I do? Thanks in advance.