GP6 - Alert « the signature of GP6 is corrupt or invalid »


You just downloaded Guitar Pro 6 (full, lite or trial version) and receive an alert message stating that your download is either invalid or corrupted.


  • Make sure that you downloaded GP6 from our website.
  • Make sure that you installed any available update for your firewall (install updates for your Operating System) and Anti-Virus.
  • If necessary, use a different and up to date web browser for your download (Chrome for exemple).

Please note that your download is safe as long as you downloaded the program from our website. 

If unfortunately your issue is not fixed, please contact our support mentioning:

- what are the two web browsers that you used for your download

- what is your antivirus