This error message indicates a connection issue. It means that your network, a proxy server, or a security program like a firewall or antivirus is preventing Guitar Pro 6 from reaching the activation server.
If you want to get your older software running smoothly, tell me: What are you currently using? Guitar Pro 6 User Id And Key Id
Arobas Music has migrated most of its infrastructure to support newer versions. If the automatic online activation fails due to a server connection timeout, you must use the method: Open Guitar Pro 6 and enter your User ID and Key ID . This error message indicates a connection issue
If you cannot recover your old credentials, or if the legacy software refuses to run smoothly on your updated computer hardware, upgrading is the most efficient path forward. Arobas Music has migrated most of its infrastructure