June 2014
I think re-installing it is not necessary. If you're using Windows 8 then open your Sims 3.
2) Minimize it and open your Task Manager.
3) Right-click on "Sims 3" > Properties
4) Click on the "Compatibility" tab.
5) Under "Compatibility mode" uncheck the "Run this program in compatibility mode for:"
Lastly~ Restart your computer. THEN TADA!! I think.
Worked for me. Good Luck love xx