[eMedia]

The Guitar Pro Technical FAQ is here:
http://www.guitar-pro.com/en/index.p...-technical-faq

You contact their tech supoport via their contact form here:
http://www.guitar-pro.com/en/index.php?pg=contact-lic

The company is in France so email is the best way to get support. They should respond within 48 hours.
Best of luck.