My sound does not work on my Windows 8.1

it stoppped working after i updated it and i went into computer manage ment and went to services and clicked windows audio. i hit start and it said Error 0x800706cc: the endpoint is a duplicate. PLEASE HELP!!

Does this works ?
http://answers.microsoft.com/en-us/windows/forum/windows_8-hardware/windows-audio-cant-be-started-error-1740/d94003a0-aee9-44a0-9d0d-a8931fd45462
Also, update the drivers for your audio device.
In addition, check if Multimedia Class Scheduler service is running.
Arnav Sharma | http://arnavsharma.net/ Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading
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