My mother was the same way with windows, about the same age. Could never figure out the concept of folders and filesystems. If aomething moved on her desktop, she never understood the start menu. She did once, but the first time they changed it, she never tried it again. There's something about that generation and/or age they missed out on during the evolution of the UX "language" that can't be remediated. Whatever that was appears to have been avoided during the invention of the iphone UX. I think its the "one way to do things, and don't change it" philosophy, but its not my area of study.