USB4 Host Router Service (Usb4HostRouter) Defaults in Windows 11
USB4(TM) Host Router Driver by Microsoft Corporation.
Default Settings
| Startup type: | Manual |
| Display name: | USB4 Host Router Service |
| Service name: | Usb4HostRouter |
| Service type: | kernel |
| Error control: | normal |
| Path: | %SystemRoot%\System32\DriverStore\FileRepository\usb4hostrouter.inf_amd64_1dfc9a5b4d5d3ccf\Usb4HostRouter.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Usb4HostRouter |
Default Behavior
USB4 Host Router Service is a kernel driver. In Windows 11 it starts only if the user, an application or another service starts it. If USB4 Host Router Service fails to start, the failure details will be recorded into Event Log. Then Windows 11 should boot up and notify the user about the Usb4HostRouter service startup failure.
Restore Default Startup Configuration of USB4 Host Router Service
1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config Usb4HostRouter start= demand
3. Close the command window and restart the computer.
The Usb4HostRouter service is using the Usb4HostRouter.sys file that is located in the C:\Windows\System32\DriverStore\FileRepository\usb4hostrouter.inf_amd64_1dfc9a5b4d5d3ccf directory. If the file is removed or corrupted, read this article to restore its original version from Windows 11 installation media.