This error typically occurs when there's a problem with your NOOK's authorization. To solve the issue, you'll need to reset the Adobe credentials on your NOOK.

What you need

Steps for a Windows computer

Note: These instructions are for Adobe Digital Editions (ADE) 2.0 or newer. We recommend always using the latest version of ADE.

  1. Make sure your computer is properly authorized.
    In ADE, go to Help > Authorization Information.
    Note: If this option is grayed out, please authorize your computer before continuing.
    Authorization Information highlighted in the ADE Help menu.
    The authorization window will open and show you what credentials you're currently using for your computer.
    The Adobe ID authorization window.
  2. Close ADE and wait a few moments.
  3. Reset the ADE folder on the NOOK.
    • Connect your NOOK to your computer.
    • Open your Windows Explorer (or File Explorer) and double-click your NOOK under "[My] Computer" (or "This PC").
    • Find the .adobe-digital-editions folder and delete it.
  4. Open ADE, then try transferring the eBook again.
  5. After the transfer, disconnect your NOOK. You should now be able to read the eBook on your device.

Steps for a Mac computer

Note: These instructions are for Adobe Digital Editions (ADE) 2.0 or newer. We recommend always using the latest version of ADE.

  1. Make sure your computer is properly authorized.
    In ADE, go to Help > Authorization Information.
    Note: If this option is grayed out, please authorize your computer before continuing.
    Authorization Information selected from the ADE Help menu.
    The authorization window will open and show you what credentials you're currently using on your computer.
    The ADE authorization window.
  2. Close ADE and wait a few moments.
  3. Reset the ADE folder on the NOOK.
    • Connect your NOOK to your computer.
    • Open your NOOK from Finder.
    • Press Command + Shift + G.
    • In the "Go to Folder" window, type: /nook/.adobe-digital-editions. Make sure you replace "nook" with the name of your NOOK (you can find the name of your NOOK on the desktop when you plug it in).
    • Move the contents of the ".adobe-digital-editions" folder to the trash.
  4. Open ADE, then try transferring the eBook again.
  5. After the transfer, disconnect your NOOK. You should now be able to read the eBook on your device.
Last Updated: Mar 16, 2016 02:13PM EDT