im tryin to load crack util and it pops up n says enter password for device... as far as i know there is no password on my fone. so i hit ok with it left blank n then it says invalid password or device not connected.. its deff connected bc bb desktop see;s it now my question is how do i figure out what the password is on the phone if there is one..

running windows 7
bb pearl 8100

any help would b greatly appretiated..