Alternatively, you can copy the following files from the /System/Library/Extensions/ folder to your Desktop or another safe location.

Mar 11, 2016 - Purpose of this article is to guide you on how to FIX the 'Prolific USB-to-Serial' driver issue with common cheap units. In summary, this article is. I have USB to serial converter from Maplin - I have lost the software CD that came along. Cant download the driver from their site. Can you please help?

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 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 for Microsoft USB Serial Driver Automated Restore 1. Select your Windows 10 edition and release, and then click on the Download button below. Save the RestoreMicrosoftUSBSerialDriverWindows10.bat file to any folder on your hard drive.

Right-click the downloaded batch file and select Run as administrator. Restart the computer to save changes. 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.