Nautilus claims *.wmv is *.asf ?

Problem: Nautilus refuses to open *.wmv claiming it is *.asf.
Solution:

 $ vi /usr/share/mime/packages/freedesktop.org.xml

Locate the ASF entry and add:

<alias type="video/x-ms-wmv"/>

Then rebuild the MIME database and restart nautilus

 update-mime-database /usr/share/mime
 killall nautilus