Dear Sirs, I inform you that I have purchase history on this publisher, as you guys can see attached file, I can not open these e-books on my desktop computer, including affirm that all my programs at this are all unique programs. I use Adobe Digital Editions 4.5 of Adobe to read the same, however when I try to open always the message: Error code of activation server. See this imagem.
I need you help of solutions my problem. Orlando Ferreira Gomes