Did a quick search.
If you Google "windows 10 update wma files" you will see others are having this issue as well with W10.
For some the solution was to make IE the default browser so it could download the license!

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"I had the same problem. I had to make IE the "default browser" and then I was able to play the wma music files. "
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Gotta love M$
A sign of things to come?

Last edited by rharv; 01/23/16 05:22 AM.

Make your sound your own!
.. I do not work here, but the benefits are still awesome