The screenshot does not have sufficient resolution to be able to read the error message. What is the error message?
The Wicked West:
IO Error on Network Request.
Please check your network connection and try again. (I downloaded the ebook to my hard drive)
dir ADEPT&SKU 9787770705441&r 20090525234943 The spaces are like little squares.
ADE is having problems contacting the server which has the book. Try going to http://ebook.lightningsource.com in the browser to see if it's a general problem. If that works, then you have a firewall or some other program that is preventing ADE from connecting.