1:when you get read errors the is scratched or damage in some way
2:i don't know if its protected or not (sorry about that)
3
4u patch will not work with a pff-o-matic as it is not a ppf file its a p4u file so you need p4u which is another pff-o-matic p4u patches are older patches you can get it from here ####://www.#########.homestead.com/Downloads.html