Windows 10 Services

Composite Bus Enumerator Driver - Windows 10 Service

Multi-Transport Composite Bus Enumerator by Microsoft Corporation.

This service also exists in Windows 7 and 8.

Startup Type

Windows 10 edition 1507 1511 1607 1703
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Default Properties

Display name:Composite Bus Enumerator Driver
Service name:CompositeBus
Error control:normal
Group:Extended Base

Default Behavior

The Composite Bus Enumerator Driver service is a kernel mode driver. If Composite Bus Enumerator Driver fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the CompositeBus service has failed to start.

Restore Default Startup Type for Composite Bus Enumerator Driver

Automated Restore

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

2. Save the RestoreCompositeBusEnumeratorDriverWindows10.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 CompositeBus.sys file exists in the %WinDir%\System32\DriverStore\FileRepository\compositebus.inf_x86_6a9ac2a6cf9abe91 folder. If this file is missing you can try to restore it from your Windows 10 installation media.