You can use our Knowledge base section of our Clientcare (https://gethd.live/clientcare/index.php/knowledgebase).
If you still are having issues you can submit a support ticket here - https://gethd.live/clientcare/submitticket.php.
Please note: that connection error will happen if you are trying to use our service on more then 1 IP address which is not allowed. You would need to order our service for each location.