Even on native hardware, version 5.2 has quirks. Here is a fix list.

extension. These are widely compatible and can be opened in newer versions like Guitar Pro 8 if you need more advanced layout tools later. Guitar Pro 3. Key Shortcuts for Fast Development

Arobas Music (the developer) no longer sells or supports Guitar Pro 5. The official website only offers downloads for Guitar Pro 8. Because the software is discontinued, official license servers for activation are often offline, making it difficult to authorize new installations even if you have a valid old serial number.