The WMA files from Overdrive.com will not play on my Windows 7 media player. They will play on Vista. I've tried opening with realPlayer but get the same error message.
The messages is "Windows Media Player cannot play any items in the playlist.... with a "Web Help" button. That give the following message.
Windows Media Player C00D11B1
then instructions to check the sound device. I have done that and the device (VIA High Defininition Audio) is working and no updates are available.