If Windows Update sent you Intel Audio Controller version 9.21.0.3755 by mistake, uninstall it

An Intel audio driver was incorrectly pushed to devices via Windows Update for a short period of time earlier this week.  After receiving reports from users that their audio no longer works, we immediately removed it and started investigating.  If your audio broke recently, and you’re running Windows 10 version 1709 or above, please check to…

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