Check the thread below for info about burning CDs using Nero
http://www.gnutellaforums.com/showth...t=burning+Nero

You can change your default player from WMP. Go to LW's library, click on Saved Files then click Explore...your saved folder opens. Now right click a movie file > open with > choose program. Choose the player you want & tick the box to always use the selected program to open files of this type > ok.

If you like, you could try VLC player. It's free & has codecs installed. In the thread below is a link for download & some info about using VLC.
Using VLC player (Windows)