That’s not the other user I was referering to. I mean the partitioned user that’s serving adult entertainment in the background of your internet connection. The one you are going to absolutely insist isn’t there.
When was the last time you did that thorough virus scan that you start when you go to bed and takes all night?
So 3.6 or 3.7 will auto update from your stable 3.5 or earlier install? Restart the machine and the wrong Audacity appears? Do you have the 3.6 or 3.7 installers on your machine resting in a folder somewhere?