am using a dell inspiron 545 minitower desktop pc running on windows 7 home premium 64-bit. sorry but not sure how to post the link you asked for? and ive never backed the pc up as dont know much about that either! am still learning with computers but i do have the windows 7 reinstallation disk that come with it. dont know if this could help i played some of my music through spotify on facebook about a month ago maybe just over but as far as can remember not tryed to use media player untill i posted the problem.