You guys arent listening to the OP.
He installs Game 1, Game 2, Game 3 and then Game 4.
Game 3/4 get the error.
He installs Game 4, Game 3. Game 2, Game1 then Game 2/1 get the error.
Its the hard drive. If its a 500GB hard drive after he fills up the first 30GB (for example) he gets an...