Windows 10 updates have been known to put Sonar in demo mode and one of the reasons many were legitimately worried about the situation back in Nov. through Feb.
Myself made a back up on a W7 and a W8.1 computer so that would not happen.
Now I'm not at all worried and you can be paranoid if you so choose too be, but I think very few of us are worried at this point. Everything Meng has answered about these issues has been over and above most of my expectations on what would happen. If I am wrong it will be a long time before my copies of Sonar stop working. And I always have X3e.