Facing problems to open PDF files in iBooks in my Mac, how can I fix it?
I didn't use to have problems opening and reading my PDF files in iBooks.
However, yesterday my MacBookPro started not to open any PDF files.
Its books, the app would open normally, but PDF files it just blinks the apps at the bottom of its screen but do not open any file.
MacBook Pro, OS X Yosemite (10.10.3), null