Hi. Thanks for participating in chasing the weirdest problem of the year (even though it's only March)
Cactus Music
Have you run Latency Mon with Sonar running? I should document what caused the issue..
Yes. I did it several times, but it absolutely does not show anything unusual when run with Sonar ... latency is low. Latency mon reports USB as the most often accessed driver and reports low latency (<8µs if I remember right ... I checked yesterday so can't remember the actual number but definitely in the expected range) with no changes when the "funny" problem occurs ...
I meanwhile also tried disabling everything from auto-start ... then almost any service that's not absolutely needed ... but the problem persists ...
I also set win8 to ignore all 33 windows updates which it meanwhile detected since last update on Feb 25 and which it recommends installing ... no difference ...
So, next is now setting a restore point and going for the update (as I've run out of other ideas to check) ... but if that fixes it, it's no longer reproducible and I really want to track that issue down to be sure I understand what's causing it to avoid it for good ...