USB Connector Manager KMDF Class Extension by Microsoft Corporation.
This service exists in Windows 10 only.
Windows 10 version | Home | Pro | Education | Enterprise |
---|---|---|---|---|
1507 | Manual | Manual | Manual | Manual |
1511 | Manual | Manual | Manual | Manual |
1607 | Manual | Manual | Manual | Manual |
1703 | Manual | Manual | Manual | Manual |
1709 | Manual | Manual | Manual | Manual |
1803 | Manual | Manual | Manual | Manual |
1809 | Manual | Manual | Manual | Manual |
1903 | Manual | Manual | Manual | Manual |
1909 | Manual | Manual | Manual | Manual |
2004 | Manual | Manual | Manual | Manual |
20H2 | Manual | Manual | Manual | Manual |
21H1 | Manual | Manual | Manual | Manual |
21H2 | Manual | Manual | Manual | Manual |
22H2 | Manual | Manual | Manual | Manual |
Display name: | USB Connector Manager KMDF Class Extension |
Service name: | UcmCx0101 |
Type: | kernel |
Path: | %WinDir%\System32\Drivers\UcmCx.sys |
Error control: | normal |
Group: | System Bus Extender |
The USB Connector Manager KMDF Class Extension service is a kernel mode driver. If USB Connector Manager KMDF Class Extension fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the UcmCx0101 service has failed to start.
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreUSBConnectorManagerKMDFClassExtensionWindows10.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 UcmCx.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.