Generic USB Function Class - Windows 11 Service
Generic USB Function Class Driver by Microsoft Corporation.
This service also exists in Windows 10.
Startup Type
| Windows 11 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 21H2 | Manual | Manual | Manual | Manual |
| 22H2 | Manual | Manual | Manual | Manual |
| 23H2 | Manual | Manual | Manual | Manual |
| 24H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | Generic USB Function Class |
| Service name: | genericusbfn |
| Type: | kernel |
| Path: | %WinDir%\System32\DriverStore\FileRepository\genericusbfn.inf_amd64_7c70b7fb8f0e88ff\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 11 startup proceeds, but a message box is displayed informing you that the genericusbfn service has failed to start.
Restore Default Startup Type for Generic USB Function Class
Automated Restore
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreGenericUSBFunctionClassWindows11.bat file to any folder on a local drive such as SSD or a hard disk.
3. Right-click the downloaded batch file and select Properties.
4. Check the Unblock checkbox and click OK.
5. Right-click the batch file again and select Run as administrator.
6. Restart the computer to save changes.
Note. Make sure that the genericusbfn.sys file exists in the %WinDir%\System32\DriverStore\FileRepository\genericusbfn.inf_amd64_7c70b7fb8f0e88ff folder. If this file is missing you can try to restore it from your Windows 11 installation media.