I am having issues registering my Guitar Pro software.
From Fretlight Knowledgebase
Please first go to the Arobas Music registration FAQ for assistance with Guitar Pro activation issue.
http://www.guitar-pro.com/en/index.php?pg=how-to-install-gutar-pro-6-windows
If these solutions do not work for you, please register your software with Guitar Pro.
This will give you access to the Guitar Pro's technical contact center. They will be able to assist you further.
http://www.guitar-pro.com/en/index.php?pg=support-customers-area-license-registration
If you have lost your registration information you can request it from the link below.
http://www.guitar-pro.com/en/index.php?pg=support-customers-area-license-recovery