aTV Flash 3.6 (windows) still not installing on aTV

(sigh) I was excited to see a new version, as 3.5.5 never installed on my aTV. Alas, v3.6 doesn’t do anything either. The aTV boots up normally and ignores the USB drive. I’ve tried 2 drives (one of them recommended: the Sony), and I’ll try one more and we’ll see…