In case you suspect a counterfeit chip inside, you may also contact Prolific to provide the vendor information. It’s a tool named wushowhide. That means correct driver version is not installed. Type troubleshooting in the search bar, click on troubleshooting. And Windows 8, 8. Prolific’s guys are fun when they said:

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For more informations and where to download this tool, take a look at this article: Later version, like 3. I have the latest driver from prolific and they stated its a windows 10 issue. I’m afraid that there is no solution This value will change the port to COM 4.

I have had the same prolific for the last two years running great on windows 7, now that I upgraded to windows 10 it has a code 10 error Prolific also prohibits the distribution of any PL drivers including download links without written permission from Prolific. Prokific of the common reasons that software may not work as expected with a USB-Serial adaptor when the devcie is properly installed, is many older programs and even some new ones only support a limited number of COM ports prolific usb 2.0 to com device.

Removal of this tool: You can check it, using the configuration panel: Hey, but I can’t do that myself!!! I don’t want to send my devices to trash because they are too old less than a year! Tell us about your experience with our site.


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Below installer program will remove all of the incompatible drivers — make a change so that Windows can never update the driver without your approval — and install the Version 3. After selecting the desire prolific usb 2.0 to com device number, click “OK. Good Way Technology Co. Here is the driver with the solution!! I got to the screen to select updates to be blocked, but the usb to serial was not an option.

To solve prolifjc intellectual infringement – original Prolific company modified their newest drivers to render the counterfeit adapters unusable. In the Properties Window, Click on “Driver”.

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Hi, I’m afraid that there is no solution Download and install this latest version 3. And Windows 8, 8.

However if you didn’t have a previous driver installed that worked – you’ll have to go through the process of removing any PL driver installation programs, the actual driver files, and the information. The procedure above works, but only temporary.

USB Serial Adapter Drivers Page

The “Driver Version” must say “3. Indeed, when installing W10, the device driver for PL is the latest version.


PL CheckChipVersion tool program. StanP12 replied on December 16, Prolific’s guys are fun when they said: Prolific advices end-users to only purchase vendor branded cable products with company name contact information for service and support. In reply to FelixHitz’s post on December 1, The “Driver Version” must say “2.

Note the COM port must have ” prolific usb 2.0 to com device use ” listed next to it, if it does then another device with that name is already installed in the system. So no matter how many times you remove the driver files and reboot – the prolific usb 2.0 to com device time you insert the USB-To-Serial adapter, Windows installs the newest non-working version again.

Please be warned that dsvice counterfeit products are illegal and punishable by civil and criminal courts according to the trademark, copyright, and intellectual properties laws and regulations. Daren replied on August 20,