Please ensure that no security programs are blocking Riffstation from accessing the internet. Riffstation needs access to the internet only during the activation process so that we can verify your license and activate your installation. The best thing to do to avoid mistakes when entering your email and serial is to copy and paste your email address and serial directly into the appropriate fields. If you are entering the information in manually, please ensure that the cases match and that you are not confusing the number '0' with the letter 'O' or lowercase 'L's with uppercase 'i's.
If that doesn’t help, please check your error message for an error code and check our Troubleshooting section. If you do not see an error code, please try updating to the latest version of Riffstation with the following relevant link and then try activating: