Microsoft Trusted Audio Drivers (drmkaud) Service Defaults in Windows 10

Microsoft Trusted Audio Drivers by Microsoft Corporation.

The Microsoft Trusted Audio Drivers service does not exist in:

Default Settings

Startup type: Manual
Display name:Microsoft Trusted Audio Drivers
Service name:drmkaud
Service type:kernel
Error control:normal
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\drmkaud

Default Behavior

Microsoft Trusted Audio Drivers is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If Microsoft Trusted Audio Drivers fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the drmkaud service has failed to start due to the error.

Restore Default Startup Configuration of Microsoft Trusted Audio Drivers

1. Run the Command Prompt as an administrator.

2. Copy the command below, paste it into the command window and press ENTER:

sc config drmkaud start= demand

3. Close the command window and restart the computer.

The drmkaud service is using the drmkaud.sys file that is located in the C:\Windows\System32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.