Blast white noise and register?

hi,I have a blast problem on the version I just bought ( a white noise during 5-10 seconds ), i work on ableton. How can we solve the problem? Should I remove the demo version? I don’t understand. Thank you for helping me. Also, When i want register my version and i click on register, the program open a window on my mac for selection but what selection should i make ?

Welcome @ludo Have you read the installation instructions in your plugin bouquet account? You need to register using your registration key.