I like to rename the cars, do custom previews, and stuff like this.
Sometimes, now more often, my CM shows a "blue screen" wtih a long error message and forces me to close it, aka crashes. Sometimes when I just click on "content" tab, sometimes after a few minutes after messing around in this tab. I don't know anything about codes, and i don't know what's the problem.
These were my last two error massages, they are a bit different: