My verbatim dvd rdl wont play on computer

[halterb]

Hello,
I was sent a verbatim dvd+r dl with a art seminar on it and it won't play on my computer.

 

[mibix19]

Have you got a program that is able to run it on your computer?

 

[halterb]

Just windows media player. Hoping there is a free program out there.