You must follow ever step in the process in exact order. Main cause of this issue is because the device you own contains a counterfeit “Prolific” chip China clone. Run the installer program. This tool is for profs. If you watch the configuration panel, you will see the COM port coming OK, but then switch off because of error And if you double-click on it, you will see: This article was helpful.

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StanP12 replied on December 16, Available forum solutions to this problem are half-baked.

Click on properties, and get the details:. Of course, you can try to manually update the driver at Prolific site: Click prolific 232 usb properties, and get the details: Had the same troubles after WIN10 clean install. I have tried with 3.

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In the pop-up window, select the baud rate under the Baud Rate and click Send. The “Driver Version” must say “3. Prolific also prohibits the distribution of any PL drivers including download links without written permission from Prolific. Removal of this tool: Once manually set, the device driver remain in the 3. There is lot’s of people reporting problems with W10 and Prolific devices based on popular PL adapter.


When you plug the device into USB, it is well recognized by W10 and it try to prolific 232 usb the Prolific driver. You should now have a prolific 232 usb showing all versions of the driver available.

Prolific Technology Inc. (USB to UART / RS / Serial)

Unfortunately this decision also renders all earlier adapters inoperative. Download drivers from Prolific site. I have the same question Hi Thanks for the information it works a prolific 232 usb.

Reply Did this solve your problem? May be, a solution will be to use the old W7 drivers version prolific 232 usb W Notice in above picture, Code 10 error. If your adapter was working prior to going to Windows Update, you can “roll back” to the previous installed driver and all will be well once again. Hi, I’m afraid prolific 232 usb there is no solution If you have previously used the PL with W7 and polific to W10, it’s simple because the previous versions of the drivers are still on your computer.

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This confirms you need to install correct driver file.

Hi, Thank you for posting prilific query on Microsoft Community. It allow to inhibit the auto-update for a particular program or driver Prolific in our case.

For more informations and where to download this tool, take a look at this article: Issue will also may show messages like this: Hey, but I prolific 232 usb do that myself!!!

FelixHitz replied on December 1, Run the installer program.

Mohammed Yaseer replied on August 16, You can check it, using the configuration panel: