Originally Posted by 49Kat
Usually I get a "Book Error. This book cannot be opened due to an error. Please try again later." Sometimes I see only a blank screen. Once I actually did manage to open the thing, but if this is the way comics or graphic novels are going to display--no thanks. I was unable to change the size of the screen and a portion of it was cut off. I don't see any way to re-do the download, I don't see a downloaded file.
I did purchase a Vox book today without problems.
I've had the same results as you, more or less. I haven't had previews of them work either, but purchasing them does. Though on a few occasions I had to power-cycle the Vox (after downloading the Just for Kobo Vox book to my library) to make it work.
Never have any problems with regular Kobo e-books either.