Delete UUSee buttons

After install UUSee, there are 2 custom buttons added in the Google Toolbar. However, it cannot be simply delete because the delete button shaded. I follow the link below and successfully delete the UUSee buttons. In Windows Vista, go to \ProgramData\Google\Custom Buttons, there two xml. Delete them, and UUSee button gone.

Reference: http://www.mydigitallife.info/2010/07/01/how-to-delete-and-remove-custom-buttons-from-google-toolbar-permanently/