K4MAC to Sony/ePub
Hello,
I've been using K4MAC and shopping at Amazon, and sometimes using deDRM so I can read on my Sony-505. Three weeks ago I bought a book on Amazon and successfully transferred it to my Sony; I'm trying the exact same thing tonight, and being told the PID is incorrect. Has Amazon changed something in the interim? One thing that happened between then and now was I switched to a new credit card. Could this affect the PID? TIA for any help.
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