Each support case with the Tobii Pro Business department requires the production of a ticket with the original user as a creator so one cannot pass along forum posts in this manner.
Also, please bear in mind that the Tobii 4C will not work with Tobii Pro Software or SDK’s without an appropriate analytical use licence and unlock file.
If you do not already have this, you can read more and request a quote @ https://developer.tobii.com/license-agreement/