Over the last few years, mainly since the launch of MS Windows 8.1 and then MS Windows 10, some people have been having an issue with their Prolific USB to Serial programming cables. We’ve thoroughly investigated this issue and found that the solution on this page is the best solution that works in almost all circumstances when dealing with the This Device Cannot Start (Code 10) issue. By The way, there’s a video at the bottom of this page…

How To Identify The “This Device Cannot Start (Code 10)” Issue?

As seen in this screenshot, to identify your issue with your Prolific cable is the “This Device Cannot Start (Code 10)” Issue, you simply need to open device manager, look in the Ports (COM & LPT) category and look for the orange or yellow triangle next to your Prolific device. See the screenshot below.

SOLVED: Prolific USB to Serial - This Device Cannot Start (Code 10) Issue Solution

What Causes The Prolific Code 10 Issue?

The Prolific USB to Serial cable Code 10 (This Device Cannot Start) Issue is caused when the wrong driver is installed automatically by Microsoft Windows. As you can see in our video (see below), when we first plugged in our Prolific cable, Windows installed the latest driver version. However, the cable hardware pre-dates the latest driver. That means you have to backdate the driver to a previous version.

How Do I Backdate The Driver?

We have created a YouTube video showing exactly how to backdate your driver and solve the Code 10 (This Device Cannot Start) Issue. Take a look at the Youtube video.