Cannot eject passport from pc

I don’t know if this will help or not. I only used Smartware once and uninstalled it but look at post 5 that is how I configured my drive http://community.wdc.com/t5/My-Passport-for-PC/Need-other-options-on-how-to-SAFELY-remove-Passport/m-p/2073/highlight/true#M90

Joe