WMV files to MPEG4 files to watch on DVD in car

how do you take a cd of wmv files that dvd in car says disc error and convert them to be able to read and download.

thanks,
john

Try convertXtoDVD from vso.
http://www.vso-software.fr/products/convert_x_to_dvd/download-convertxtodvd.php

It’ll convert the video file to DVD format and you can use programs like DVDshrink (freeware) to burn it to a DVD.
http://www.dvdshrink.org/