What operating system are you using on your computer?
The usb driver is required to be installed and properly functioning to allow any content to be transferred to the ebook reader. There are two places to get the most updated usb driver, namely:
Which file did you get?
I've installed the ETI usb driver with no issues on WinXP SP3.
Oh, by the way, after the installation, usually a "restart" can make things go a lot better/smoother.
p.s. another site with the usb driver is filamentbooks site
, but it has an older version (but I think identical driver).