• ive signed into the playstation network with a friends user id before on my playstation and now when i want to sign in with my id, it tells me i cannot sign in with another users id, what do i do? his user email automatically appears in the box to sign in
  • Why would you sign in with another person's ID on your console...game-sharing or using their CC/billing info??

    Sounds to me like your PS3 is now registered to him...call SONY to see if they will fix it; highly doubtful, but that would be your best bet.
  • if you have your user name and his on your ps3 then you should be able to turn on auto sign in. this will give you the option of which profile you want to sign in with.