Hi, I bought the sims 2 last year. I've been playing with it for the whole year. This year, I bought the expansion pack 'University'. But when I try to install it, my IBook says: Install The Sims 2 before installing the University expansion pack. The Sims 2 should be run at least once before installing University." I've already tried uninstalling and reinstalling the Sims 2, but it doesn't help. Does anyone know how to solve my problem? I would be really thankfull!!!