Save 50% on The Sims™ 3 Late Night on Steam
: Open Task Manager , go to the Details tab, find the Sims 3 launcher, right-click it, and select Set Affinity . Select One CPU : Uncheck all boxes except for "CPU 0". Save 50% on The Sims™ 3 Late Night
: Be careful exploring at night; you might be turned into a vampire . go to the Details tab
For a safe and functional experience, here are the legitimate ways to access and troubleshoot the game: find the Sims 3 launcher