Since you updated your Windows Operating System you receive one of the following alert : "side by side configuration is incorrect" or "code 14001".
Guitar Pro 6 for Windows.
- restart your computer, do not launch Guitar Pro.
- make sure that you are well logged in as the administrator of your computer.
- Download and launch GP6Cleaner for Windows.
- launch Guitar Pro 6 and type in your license IDs.
If you still experience issues after following these few steps, feel free to contact our support.