Go into the Media Player. Once on the main screen double click on tools then click on options then click the copy music tab. on the copy settings menu remove the check mark for protected contents.

This disables licensing so that you media player won't read the "one or more of your licenses are corrupted or missing" error, this error will make it so media player will not copy music or burn music to a cd. (if this has happened to you, you must restore your windows settings through your rescue cd to restore the media player).