Why dvd +rw movies stop playing on my dvd player?

Question

I use nero 8 for movies dowloaded from internet.

They play for 5 or 10 minutes and after they stop playing on my dvd player.All freezes and need to disconnect the plugs to take out dvd disc.Whats the mistery?They play on computer with no problems.

Answer 1

!)are disc's ok..(not dirty)

2)have they been finalized.

3)is it a philps dvd player

4)are you a man united supporter..(opps sorry wrong category)

5)have you been drinking.

6)your house maybe haunted

7)your dvd needs help with a 5 pound hammer