Song don't Play continously

Question

whenever i load songs they play and stop and a message comes up thatsays 'error' if i try to go to the other songs another message comes upthat says 'system file error'. When i try to go into the otherprogrammes like Photo or Movies the same sys. error message comes up.In addition the movies i load to it wont play. I tried fomatting it andthat did not work. Please advise