I was prompted to update my Acrobat pro 9 (MAC) this morning and my license ceased working. I dowloaded license repair but cannot proceed since I do not use a password on my computer. I followed the instructions (deleting certain files) to no avail. The copy on my backup drive does not work. I teach a 6-month online course beginning in a few weeks and most of my materials are sent as PDF often with security settings. I really don't want fixing this to take a lot of time. Dan Hemenway
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