0 Replies Latest reply: Sep 14, 2012 8:05 AM by JimmieJack21 RSS

    I am getting an invalid serial number message after installation


      I have installed the 30 day trial verion of Acrobat Pro X that I want to upgrade my Acrobat 7 pro.  When it asks for my serial number, I am putting in my 7 pro serial number but it is telling me that serial number is invalid.  what do I do?