[ Other - Games & Recreation ] Open Question : The Sims 3 crashes when creating a Sim?

No error message or anything. Just quickly closes with no warning. And I think this just started happening after downloading some Custom Content? Computer Specs: Windows Vista Home Basic (6.0 Build 6001) Dell, Inc Vostro 220 Series Intel Core 2 Duo CPU E7500 @ 2.93GHz (2 CPUs), ~2.GHz 3070MB RAM DirectX 10