This fidelizer sounds, from some of the features shown on the website, like a pretty nice program. Only thing I'm concerned about is "Stop/Disable most non-audio system services greatly reducing system footprints for pure audio performance.", if the wrong non-audio system service is stopped it will only give trouble. I'm sure the vendor has taken care of not disabling the onces that are absolutely necessary, but it's something that I wouldn't like.
For now is a good bandaid, still have some troubles but really improves things (at least latency)
I will totally do what you mention of formatting in the next weeks, right now i dont have enough time to backup + reinstall, but be sure i'll keep you posted.
(last time i reinstalled W10, some drivers were updated via windows update automatically is there a solid way to prevent this?)
Thanks