Windows 10 Services

Microsoft Trusted Audio Drivers - Windows 10 Service

Microsoft Trusted Audio Drivers by Microsoft Corporation.

This service also exists in Windows XP.

Startup Type

Windows 10 version Home Pro Education Enterprise
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Default Properties

Display name:Microsoft Trusted Audio Drivers
Service name:drmkaud
Error control:normal

Default Behavior

The Microsoft Trusted Audio Drivers service is a kernel mode driver. If Microsoft Trusted Audio Drivers fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the drmkaud service has failed to start.

Restore Default Startup Type for Microsoft Trusted Audio Drivers

Automated Restore

1. Select your Windows 10 edition and release, and then click on the Download button below.

2. Save the RestoreMicrosoftTrustedAudioDriversWindows10.bat file to any folder on your hard drive.

3. Right-click the downloaded batch file and select Run as administrator.

4. Restart the computer to save changes.

Note. Make sure that the drmkaud.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 10 installation media.