Would you please give me more details on what operations you were doing when your computer crashed? Also, please share your form with me.
Below is the instruction on how to share your form
1. Click on “Design tab” on the top left corner.
2. Click on the “Share” icon on the bottom left corner.
3. Click on “Add Collaborator” on the popup menu.
4. Enter email@example.com under “People to share with”.
5. In the Message edit box, type in "Export Application Form"
6. Click the “Share” button on the bottom right of the dialog.
I got your form and I was able to export a PDF from it. Please let me know which browser and operating system that you are using.