Microsoft USB Serial Driver - Windows 10 Service
USB Serial Driver by Microsoft Corporation.
This service exists in Windows 10 only.
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: | Microsoft USB Serial Driver |
| Service name: | usbser |
| Type: | kernel |
| Path: | %WinDir%\System32\drivers\usbser.sys |
| Error control: | normal |
Default Behavior
The Microsoft USB Serial Driver service is a kernel mode driver. If Microsoft USB Serial Driver fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the usbser service has failed to start.
Restore Default Startup Type of Microsoft USB Serial Driver
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreMicrosoftUSBSerialDriverWindows10.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 usbser.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.