I can not stress enough to you how important it is to back up your files. In my recent computer problems I only lost my financial information and my book marks. This evening I connected my external drive, found the missing files, and re-installed them. Everything is back to normal. However, if I hadn't of backed up my files, I would have lost 12 years of financial information and all the book marks I've collected over the last year or so. It's amazing how important a back up file can be. If you haven't backed up your files recently do it now!