Uninstall the update.
"ChuckBartowski" <ChuckBartowski@discussions.microsoft.com> wrote in message
news:EE12956F-8F7A-4B63-B0CB-038486AD1F59@microsoft.com...
> http://www.microsoft.com/technet/security/advisory/954157.mspx
>
> Im a disabled person, how do I get my sound back?
>
> None of my sound works at all. I tried the fix that was put
> put to change the registry, but it too failed to fix
> the problem.
>