AUTOTUNE EVO & CUBASE 6.5

I’ve been using Cubase 6.5 for some months ago now and haven’t had any problems until. NOW I bought Antares Autotune Evo 6.1.0. Every time I open the GRAPHIC MODE it crashes C6.5. What can I do? Thanks!

Win or OSX?

Mac Snow Leopard with MR816CSX

Thanks