Generic USB Function Class - Windows 10 Service
Generic USB Function Class Driver by Microsoft Corporation.
This service also exists in Windows 11.
Startup Type
| 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 |
Default Properties
| Display name: | Generic USB Function Class |
| Service name: | genericusbfn |
| Type: | kernel |
| Path: | %WinDir%\System32\DriverStore\FileRepository\genericusbfn.inf_x86_9fb34a6bf4965cb2\genericusbfn.sys |
| Error control: | normal |
| Group: | Base |
Default Behavior
The Generic USB Function Class service is a kernel mode driver. If Generic USB Function Class fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the genericusbfn service has failed to start.
Restore Default Startup Type of Generic USB Function Class
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreGenericUSBFunctionClassWindows10.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 genericusbfn.sys file exists in the %WinDir%\System32\DriverStore\FileRepository\genericusbfn.inf_x86_9fb34a6bf4965cb2 folder. If this file is missing you can try to restore it from your Windows 10 installation media.