Having same issue, tried to post here on forum twice (processors load up to 400+%), none of my posts ever appeared on boards. Just bought the app, and found that even when I disable multi-core function, on next start of application, it's turned ON again! It's kinda doesn't save this preference.

What's strange, I have similar issue on 10.11.6 El Capitan, posted question here on forum, but it seems to be drowned somewhere in moderation. Check the processor consumption jump up to 400+% when I turn on multi-core function, and drops back to somewhere around 20% when it's off: https://www.dropbo...

Hi! I found your application in some reviews and decided to give it a try, downloaded and installed trial version. I use Mas Os El Capitan 10.11.6, being on late-2008 Mac Pro with 16 GB RAM onboard, 2 x 2.8 GHz Quad-Core Intel Xeon and NVIDIA GeForce GTX 680. What I noticed is that when multi-core m...