I'm running a i7-9700 with Windows 10 Pro and BI version 5.7.8.3. I run 21 cams, all with substreams, 19 with 15fps and three with 20 fps, and no AI or BI motion detection (I use external triggers from the cams' AI). Normally, it runs at 15 percent CPU usage. Once a week--on Saturdays--Blue Iris...