I´m desperate, I worked all night in a very important document for today, and it´s not working, when I open the documents has numbers and characters and it cant be read. It happened to me before, that I lost documents, and I couldn't even save them. Since I update my mac to OS X El Capitan I´m having a lot of problems. What can I do? lost of this hours of work? please some one to help out there? Please help!