Very similar experience in my case.
Starting late last week, iC8 began crashing off and on, no matter whether I was using Motion Live or not. But more frequent when I use Motion Live. I've looked at my system, and it appears I have plenty of memory to work. No surprise because I'm not heavy into animation. I use iC and CC mainly to create book covers, and sometimes ultra brief video greetings or messages. The program just reports that it is not responding, I get a white screen that's translucent. and the not responding message. Sometimes, it corrects itself, before crashing again later. This started suddenly. First, I thought it was due to me downloading and installing Micro$oft's ClipChanp, because for me, MS stuff has a history of doing things I didn't ask it to do.  Like installing without my say so, so-called helpful plugs, changing my configurations etc. So this morning, I uninstalled ClipChamp. Still, iC8 crashes. What about CC4? No issues. I did see that I had a long list of projects listed in the menu (Preference or Recent???), which removed from the list. I know RL recently did an update to iC8, so maybe this is the cause. Right now, I can hardly get anything done due to the frequency of the crashes.


Omen HP17t ck00 -- Windows 11 -- 32GB RAM -- Two 1TB Crucial M.2 NVME Drives -- nVidia Geoforce RTX 3070 -- 11th Generation i9 -- LG 32" QUHD Monitor