Upgrade to version 6 throws license exception

I’m having the same issue after updating Windows 10 Pro to version 2004.
Spectral Layers 6 stopped working with the soft eLicenser version 6.11.10.2269.
Running the Online Synchronization & Maintenance doesn’t solve the problem, neither does running as an Administrator.
All my other applications are fine.

The error message is: Application ‘SpectraLayers Pro 6’ has caused the following error:
The Soft-eLicenser threw an unknown exception.
Options:

  • Click to abort.

I think maybe somehow the new security measures in the update are causing this problem.