Can't get windows meda player 10 to play DVDs from a USB connected DVD Dr

Error stating DVD Decoder required what does this mean and how do I find one for free?

Looks like a codec issue to me..

Use this program to open the DVD

VLC media player - Open Source Multimedia Framework and Player

Romefalls

I'd do that but every time I try to access the DVD it autoopens in windows media player how do I stop this

You can try and got to "My Computer" Right click on your DVD drive and look for the selection that says "Open With" and use VLC and set it as the default. Or the simpler work around, uninstall Windows Media Player

Great thanks have a good xmas

Downloading vlc worked great, thanks and have a good one