If it continues to hurt, see a doctor. You can do yourself some serious harm if you're not careful. Often Save your work frequently. All machines crash. The more important the document you are working on, the more likely it is that the computer will crash.
Crashes also increase in frequency as deadlines approach.
You should always bring blank, preformatted media with you when you come to work. All machines can read High Density Floppy disks and Zip disks. Floppy disks and 100MB Zip disks are available for purchase from the college bookstore, local computer stores as well as most mail-order companies. Plan in Advance Leaving an important project for the last minute is never a good idea. Things are more likely to malfunction at the last minute.