I just got this email from Plugin Boutique:
I hope you are well and many thanks for your continued patience regarding this issue.
I am pleased to inform you that we have now updated your SoundSpot software, and this should resolve the activation problem you have been experiencing.
You can download and install the software from within your Plugin Boutique account.
You can also follow this Installation Guide, which shows how to install and activate your software if needed.
I hope this helps and please let me know how you get on.
Kind regards,
Thomas
Head of Customer Experience