How am I supposed to return the e-book? I tried to return it by using the Adobe Digital Edition but it stops working during the process. Is there any other way?

Don’t worry, an e-book loan expires automatically and therefore it is not necessary to return it. But if you want to return your e-book loan before it expires, you can do it via a reading program as you have done. Sometimes there are problems from various reasons. It's impossible to say why your program stopped working.

If you are returning an e-book so that you can borrow a new book, you can leave feedback for us via e-library helmet.lib.overdrive.com or nextmedia.ellibs.com (library where you want to borrow) and our technical support will help you.