Before you can use the Cortex Software, it's necessary to input the License Keys:
Start the Toolbox from Cortex:
Click on "User Data" (1) and than on "Licences" (2)
=> enter the Key
After that Click on "Activate" (Example for the "Master Licence").
Important: Please compare the connected Dongle with the dongle number in the Licenses paper from Cortex!