On Windows Expresion Encoder will do the trick. Only my work laptop is old. The codec in the wmv container file are MSS2 (audio and video). Neither of which seam to be supported by Perin, VLC, or QT.

MEncoder has supported video encoding for a long time with the MPlayer Project and FFmpeg, which also now is part of MPlayer. Transcode is a new command-line tool on the horizon for video and audio ...