Thanks Kels, i'll try, but i've always used that addon and it always works... Anyway, i'll try! EDIT: Ok, i've solved the ngen problem by installing .net framework in runonce (RyanVM's aio pack) and so removing it as svcpack addon. Now it's ok, but i still get all the other errors... Anyway, now i'm closer to perfection (and to the madness...)!