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I recently upgraded from Acrobat 7 Standard to Acrobat 8 Pro. When I go to open a pdf file, it always tries to open it in 7. Since this was an upgrade, I get an error message saying there’s no valid serial number for Acrobat 7.
I’ve tried “open with” and selecting Acrobat 8, but it doesn’t take. I can open Acrobat 8 and do a “File > Open” and it works fine. I have tried deleting the association for pdf and then re-installing 8, but that doesn’t help. I am using Windows XP Pro. Anyone else out there have the same problem?