On my Mac book pro- to open a pdf file- msg comes (Using Safari)
The document you are trying to load requires Adobe Reader 8 or higher. You may not have the Adobe Reader installed or your viewing environment may not be properly configured to use Adobe Reader. For information on how to install Adobe Reader and configure your viewing environment please see http://www.adobe.com/go/pdf_forms_configure.
The question is: what type of PDF is this? When you get this message you are trying to open an atypical PDF. For example an XFA forms technology based PDF. Where does this PDF come from and what is it for? Is it an electronic form?