have the realtalk drivers
here is and example
0xC00D11BA: Cannot play the file
Windows Media Player cannot play the file because there is a problem with your sound device, such as a sound card or sound controller. You may encounter this error message for one of the following reasons:
Your sound device is in use by another program. Quit other programs that may be using your sound device, and then try to play the file again.
Your sound device is not functioning properly. To troubleshoot the problem, see the Sound Troubleshooter in Windows Help or refer to your sound device's documentation.
You do not have a sound device installed on your computer. Install a sound device, and then try to play the file again.
Error ID = 0xC00D11BA, Condition ID = 0x00000000
i have tryed everything i can think of can someone help