This service also exists in Windows 10, 7, 8 and Vista.
Windows 11 version | Home | Pro | Education | Enterprise |
---|---|---|---|---|
21H2 | Manual | Manual | Manual | Manual |
22H2 | Manual | Manual | Manual | Manual |
23H2 | Manual | Manual | Manual | Manual |
Display name: | Microsoft UAA Bus Driver for High Definition Audio |
Service name: | HDAudBus |
Type: | kernel |
Path: | %WinDir%\System32\drivers\HDAudBus.sys |
Error control: | normal |
Group: | Extended Base |
The Microsoft UAA Bus Driver for High Definition Audio service is a kernel mode driver. If Microsoft UAA Bus Driver for High Definition Audio fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the HDAudBus service has failed to start.
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreMicrosoftUAABusDriverforHighDefinitionAudioWindows11.bat file to any folder on a local drive such as SSD or a hard disk.
3. Right-click the downloaded batch file and select Properties.
4. Check the Unblock checkbox and click OK.
5. Right-click the batch file again and select Run as administrator.
6. Restart the computer to save changes.
Note. Make sure that the HDAudBus.sys
file exists in the %WinDir%\System32\drivers
folder. If this file is missing you can try to restore it from your Windows 11 installation media.