I have this message: E_AUTH_NOT_READY when I am trying to upload a file. To resolve this issue I am suppose to erase my authentification but I get the message that it is impossible to erase it. I am using this os: macOS High Sierra version 10.13.4
Close all applications. Press WINDOWS + R. In the Open text box, type regedit and then press Enter. The Registry Editor opens. In the left pane of the Registry Editor, locate the following registry key: HKEY_CURRENT_USER\Software\Adobe\Adept Remove the Adept Folder. In the Confirm Key Delete dialog, click OK. Close the Registry Editor. Open Adobe Digital Editions and reauthorize..