charismathics appreciates your business. We are sorry that your are facing troubles with our product, and would like to offer you immediate help. Please cross-check your issue with the answers given here and for more detailed information please see our user manual for Windowsand our user manual for Mac OS as most of the issues arise from misunderstandings and may be clarified quickly. If not answered, please feel free to fill out our online support inquiry form. For technical issues such as configuration or communication errors, we suggest that you should create a log-file before contacting our support team.