
Hi there,
I work tech support for one of the above companies. The error is related to a line in the registry that bypasses the necessary Windows signature on your sound drivers. So far I've only seen this with Sigmatel devices.
Here's your fix. The reboot at the end is essential.
1. Click on the Start Menu.
2. Type regedit into the Start Search box and hit enter.
3. If asked for permission, click on Continue to open the Registry Editor
4. On the left-pane, navigate to the following: HKEY_LOCAL_MACHINE, then SOFTWARE, then Microsoft, then Windows, then CurrentVersion, and finally, Audio.
5. In the right-pane, double click on the text, DisableProtectedAudioDG, and change the value from 1 to 0.
6. Close the Registry Editor.
7. Restart your computer.
I'll watch for responses in case you have any trouble.