Can't access books from library

I tried to download books from the library and on my Nook when I try to open the book it says "This book has been returned. Loan on on record"

I have an active loan for the book, tried to update ADE and now it won't open at all. I have uninstalled and reinstalled and cannot get it to work.

This happened the last time I tried to update to ADE 4.5.

HELP!