Hello MartinC,

Sorry, I missed seeing that you were still having issues. We will be glad to refund the purchase. I am just curious though if you ever made sure that you are ONLY putting the Pro-6 license in the first "registration" key field without anything in the 'update' field & that you copied and pasted the registration key from your account history? You may want to email us a screenshot of your registration window to info@blacksmith3d.com so we can try to verify it. We have found that another International user had an issue with special foreign language characters in the name and address field. Could that be an issue for you?