Re: Sims 3 launcher won't open
@WoohooTattoo I've moved your post to the master thread for your specific issue, which is related to a faulty DirectX 9 install. Please install DX9 manually, as described here:
https://answers.ea.com/t5/Technical-Issues-PC/Sims-3-launcher-won-t-open/m-p/10711778#M247861