Constant crashes especially in CAS
I installed Sims 4 today on my 2020 macbook air (M1 chip and 8gb RAM, ~100GB available space) running Big Sur. I haven't installed any mods and the game version is 1.112.519.1220. The game crashes r...
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lostinthestars7I can’t pull up task manager to kill the program so I’ve ended up doing forced restarts with the power button.
macOS doesn't have Task Manager, that's a Windows thing. If you want to bring up running apps click on Apple > Force Quit in the menu bar, select The Sims 4 and then Force Quit. If you're playing in fullscreen use 3 finger swipe to the right to switch back to the main desktop.
Playing on battery power;
Never do this unless you have no choice. Your battery will drain really quickly, shortening the lifespan. Always play plugged into power. Not even sure why this would be a troubleshooting step?
Removing localthumbcache.package;
This does nothing unless you also remove the Mods folder. But as you tried a new clean Sims 4 folder there is no need to do this.
You're running a very out of date version of macOS. Is there a reason you need to be running Big Sur? If not please update to the current macOS Sequoia 15.3.1 and see if that fixes your issues.
