If you've been having problems with your Sims 3 game crashing then look no further. Re-installing your game, disabling CC and clearing cache files may NOT be the correct way to fix the problem.... All you have to do is disable Data Execution Prevention (DEP) for The Sims 3.
- Go To Start - Settings - Control panel and select System.
- Click on the Advanced tab and in the performance section click Settings.
- Click the tab for Data execution prevention and click the option to
- [Turn on DEP for all programs and services except those I select]
MAKE SURE YOU APPLY THE CHANGES AND REBOOT YOUR SYSTEM.