I was able to install Audirvana from the administrator account that I had activated, but this forces me to use Audirvana from this account, which is not satisfactory!
I also checked the integrity of my Windows installation, which is OK (it’s a brand-new PC).
I also tried to install version 2.8.2 and 2.9.0 and still had the same problem.
What’s surprising is that the installation works from the PC’s Administrator account and not from my account, which is of the Administrator type.
Of course, I tested with a “normal” account and it didn’t work.