I upgraded my Mac to Sierra OS and now I am unable to download books from the library. I downloaded the latest edition of Adobe Digital Editions but am getting a message License Server Communication Problem E_Auth_Bad_Device_Key or Pkcs12. I checked and my computer is authorized and it won't allow me to unauthorize it. I made sure my Privacy Controls allow ADE to be used and it also appears in my Key Lock. What isn't this working and how can I fix it?
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