Registration failed in new purchased mac

fwaez94

boom 2 failed to register in my new mac. As my old mac were installed with boom 2 and i am not able to uninstall them, hence it keeps declining my registration code and keeps saying to uninstall from my old macs. 
Please help!
i have the registration code and the receipt too.
Thanks 

bireley

I have the same issue. we should be able to to deregister or deauthorize old "lost"

 installs from within the app. this is just stupid, globaldelight!