I’m trying to get Zwift up and going and it’s hanging right after I enter in my email and password (after I choose I already have an account). After about 10 seconds I get the spinning beachball of death. I tried reformatting my whole Mac and installed Yosemite, and have the same problem. I am running 10.10.4, 12 g of ram, tons of HD space as I only installed browsers and have an AMD Radeon HD 6770M 512 MB video card.