Yes, I saw it is maxing out my CPU for some or other reason. Using the sub-stream and main-stream allows blue iris to do everything including monitoring on the sub-stream but still record on the main-stream, significantly reducing the CPU usage.

I installed the latest update and all my cameras are now showing No signal. I went as far as totally uninstalling blue iris including registry and all data. I reinstalled blue iris again and started adding my cameras manually one by one. after I added the fourth camera I started getting no signal fo...