Yup! I am getting the same error and I don't have the previous key since it was a free trail version.JUST upgrade today i am having the same issues paid all the money for the upgrade but have no working software as i don't have the old key? despite request for help? same problem but when i will put the key i have received the message "you have entered an upgraded key. Please confirm it with the key from the previous version" requeste my previous key 10 to 16 despite the help desk telling me i have a registered version on record?