Open library.org Can not return book in adobe digital editions

Downloaded a book from openlibrary.org to adobe digital editions. Want to return it but when I click on return book, it says it can not return it because the computer is not authorized. Yet in my account it is clearly authorized and my return option on openlibrary.org is to return via adobe digital editions. I am confused as to what to do. Hope I can get an answer. Thanks.