batcmd.com Windows 10 Services

USB Device Emulation Support Library - Windows 10 Service

"udecx.DRIVER" by Microsoft Corporation.

This service exists in Windows 10 only.

Startup Type

Windows 10 edition 1507 1511 1607 1703
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Default Properties

Display name:USB Device Emulation Support Library
Service name:UdeCx
Type:kernel
Path:%WinDir%\system32\drivers\udecx.sys
Error control:normal

Default Behavior

The USB Device Emulation Support Library service is a kernel mode driver. If USB Device Emulation Support Library fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the UdeCx service has failed to start.

Restore Default Startup Type for USB Device Emulation Support Library

Automated Restore

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

2. Save the RestoreUSBDeviceEmulationSupportLibraryWindows10.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 udecx.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.