So i am running on a macbook with the snow leopard, and as of sometime today it started freezing when i would select a application to run. The only thing i have done all day is finished the installation of patch 4.0.1 of world of warcraft, and even tho there is alot of errors for it, this is one that i have not found, and i dont believe is it because of this, but i might as well put it out there.