Ive been using Fritz 10 for years now, and decided to upgrade to Fritz 12. I like to do engine matches with opening books on, for study.

After installing 12, I go to select the opening book, and there are no files present. Also, every time I start the 12 engine, I get a pop-up that says "WARNING! No book present!"

What do I need to do to fix these things?

Thanks!