Lower CPU usage when Hybrid is minimised during encoding?

[Takaji]

I'm noticing that if I keep Hybrid minimised to the system tray while doing a batch encode of some videos, then the CPU usage is reduced significantly. If I keep it open as the active window, CPU usage rises and the queue appears to be processed more quickly. I think the slow-down even happens if it's not the active window and not minimised to the tray.

What can I do to ensure that it's using max CPU/GPU resources even when Hybrid is minimised to the tray?