Hi Russ, Usually when you receive that message it means that the Graitec Power Pack is running on another machine somewhere. You need to return it through the License Utility to be able to use it on another computer work station. Attached you will find additional information regarding the installation of the 2015.1 Graitec Power PackHope this helps,Best Regards,
Attachment: POWER PACK- 2015.1 - HOW TO INSTALL1.zip