Acrobat XI PRO freezes during usage

Every time I try to open and read a PDF with Acrobat XI Pro, it freezes. Sometimes it will unfreeze after several minutes but other times it doesn't.  I've updated it, redid the installation, etc. It was working fine and then all of a sudden, out of nowhere, it started doing this.

I've even done the repair Acrobat Installation option under help with out it fixing it.