ACR consumes 12 CPU cores at 100 % when idle
I've had this problem with ACR for a while on two different computers, but now it's starting to annoy me. When I open a RAW file with ACR and do nothing - I only have the file open - ACR consumes between 50 and 80 % of my 16-core CPU:

CPU utilization is lower during actions. Like, when I run AI denoise on a raw file, CPU goes down as long as the process is running. As soon as denoise is completed, CPU consumption returns and fans turn up.
Both my old and new computers have Intel chipset graphics, can that be related? Still don't know why doing nothing would consume so much CPU ...
