Cant open my book essential 1TB

Today i cant open my Book Essential,

i already key in the password, but  the drive still lock.

here the error display:

please remove your password before attempting to configure your WD smartware CD.

file G: not accesible/corrupt and unreadable

i dont want my data  corrupted.

pls help

Maybe you should try contacting WD’s Technical Support about this. You can do so either by phone or email.

To Contact WD for Technical Support
http://support.wdc.com/contact/index.asp?lang=en

how to back up my data , since i cant open my book essential