Ive had this issue for months now, tried 100 different things and nothing works, also started having issues with not being able to load worlds in the sims 3 at about the same time, plsssss help
@Ehkzer18 The fact that the new account works means that the problem is something in the old account. That would typically but not always be permissions-related, so please try the other suggestions in the first post of this thread, which is for a distinct but related error:
https://answers.ea.com/t5/PC/CURRENT-ISSUE-Sims-4-already-running/m-p/13276380
