This is a flawed paradox since the idea of a "future memory" is an oxymoron......It cannot logically exist unless the future was predetermined which I think we can all agree is not. Without proof of the future dimension, one cannot fully assert such a notion, and if you could see it, it too will immediately become your past since free will dictates that the particular future you observed will likely not exist if you so choose.......What you saw will become a memory, and therefore part of you past.