the problem is it keeps freezing or the game shuts down to the desktop isn't it? "yes" well you are probablyusing a nVida graphics card and for some unknown reason the card conflicts with the sky...
the dealer should have a piece of paper showing Porsche cpo and the checklist went through and signed by the technician and sales manager. And you should get the CPO warranty paperwork with the car...
all porsches sold from an official dealer are Porsche approved by the technicians for the sales department. you can ask to see the used car check sheet and the 111 point check sheet before you buy...