I would expect it to be at 100% CPU when it's rendering especially with a lower powered CPU. The memory at 22% is definitely a good thing is that after it's been rendering for a long time? I ask because the memory requirements may change during the rendering process.I managed to get the task manager pulled up and noticed cpu was at 100%and memory was at 22%. Don’t know if that helps or not. I’ll try to get a screenshot next time.