Hi, flxjones I have completely understand your problem, So i just provide a little bit a solution of your problem hopefully you will get your answer in this.
Microsoft Windows Media codecs are automatically downloaded by Windows Media Player, including all Windows Media codec updates. The installation packages on this page are for IT Professionals and network administrators working in environments where corporate firewalls may prevent codec downloads. For general information about codecs and troubleshooting
To see full solution of your problem then click on:http://www.microsoft.com/windows/win...cdownload.aspx
Hope it will works
All the best