USB Mass Storage Class Driver by Microsoft Corporation.
This service also exists in Windows 11, 8 and Vista.
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 Mass Storage Driver |
Service name: | USBSTOR |
Type: | kernel |
Path: | %WinDir%\System32\drivers\USBSTOR.SYS |
Error control: | normal |
The USB Mass Storage Driver service is a kernel mode driver. If USB Mass Storage Driver fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the USBSTOR service has failed to start.
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreUSBMassStorageDriverWindows10.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 USBSTOR.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.