Unable to deauthorize my new computer

Question

I am unable to open downloaded library e-books - I get the same message E_ACT_NOT_READY. Adobe says deauthorize the computer and re-authorize. But it will not let me deauthorize. I am using the correct Adobe ID and password. There is another option for account that reflects my library card number (cloudlibrary) but that requires a vendor ID that I don't have. Thoughts?

Nanaky · Answer

Windows:

    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..

Macintosh:

    quit Adobe Digital Editions.
    Navigate to /Users//Library/Application Support/Adobe/Digital Editions and drag the activation.dat file to the trash.
    If you are using 10.7, see https://helpx.adobe.com/x-productkb/global/access-hidden-user-library-files.html
    Open Adobe Digital Editions and reauthorize.

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