Facebook notifications just started making noise. I know I didn't approve that.

Two things come to mind: unregistered plugin, which you say isn't it, and something running in the background that you say you don't have.

At least, to rule out that second possibility, download the free utility DPC Latency Checker and run it for a minute or two. SPECIAL NOTE: In Windows 11, the baseline is 1000, so don't be surprised that all your readings are yellow. But if you get some regularly recurring red spikes, you can examine the cause.


BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus 192 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.