Hi,
Welcome to Microsoft Community.
The usual cause of the error
C00D11BA is when the sound card drivers are not installed or outdated.
Windows Media Player can't play the file because there is a problem with your sound device, such as a sound card or sound controller.
Try updating the Sound card drivers via Device manager check if the issue persists.
Follow the steps to update the audio drivers:
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Press Windows key + X key and click Device Manager.
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Expand the Sound, Video and game controllers.
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Right-click on the Sound card and click on Update.
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Restart the computer and check.
Also refer:
Windows Media Player error C00D11BA
http://windows.microsoft.com/en-US/windows7/C00D11BA
Keep posted on the issue to assist you better.