Thanks Nanaky, I contacted the library, and they set me up straight. I had to clear the registry since I had old data stuck in there. After uninstalling ADE 4.5 I still had To de-authorize Adobe Digital Editions so that you can re-authorize after installing new version Run => regedit HKey-CURRENT USER/software/Adobe/Adept/Activate   and delete Activate folder (several subfolders such as 00001   00002 etc When you go back into ADE you can then re-authorize to a new account using your Adobe ID. This allowed me to download and authorize my ebook and load it onto the NOOK simple touch. . ... View more

Can't downgrade because the library no longer supports 3.0 (activation error). Soooo 4.5 will get me the books, 3.0 will work with the Nook...all I need is a little middle-ware ... View more