Re: My sims 4 game wont launch
Follow these steps to launch a new clean game - https://answers.ea.com/t5/Technical-Issues-Mac/READ-FIRST-Sims-4-Mac-Help-Guides-and-Troubleshooting/m-p/4612394#M163
Does it still happen with none of your current user data in the new Sims 4 folder?