Harmony 20 crashes at startup

My Toon Boom Harmony 20 crashes / does not respond at startup as I’m creating a new scene. It’s impossible to start a project. Does any know a solution for this? I’d really appreciate your help!

My specs:
Processor:AMD Ryzen 7 1700X Eight-Core Processor 3.40 GHz
Installed RAM: 16.0 GB
System type: 64-bit operating system, x64-based processor
Pen and touch|Pen support

Runs on Windows 10 Home. Version 20H2