This works for Windows 10 and this old style chip. Hi, I would suggest you to follow the steps from this linka nd check if it helps: Please be warned that selling counterfeit products are illegal and punishable by civil and criminal courts according to the trademark, copyright, and intellectual properties laws and regulations. After clicking update drvier choose: Prolific advices end-users to only purchase vendor branded cable products with company name contact information for service and support.

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Right click the device in the device manager and choose update driver navigating to the list of hardware.

PL USB to UART Bridge Drivers (Windows)

Double click the adapter to open its properties. Article credit goes to: If your device was showing under Other Devices not Ports in the device manager, when you choose ” pick form a list oprt you will first have to choose a hardware type: And Windows 8, 8.

Thanks for the link GoTechGuy. Then run the installer again to install the correct driver.

If it does – it’s good to go. The “Driver Version” must say “3.

Windows 7 32 and 64 version 3. However proljfic 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 pkrt.


Prolific advices end-users to only purchase vendor branded cable products with company name contact information for service and support. Did this solve your problem? Prolific also prohibits the prolific usb to serial comm port xp of any PL drivers including download links without written permission from Prolific.

How satisfied are you with this response?

If the driver is loaded, you’ll see the device under ports, probably with a Yellow! And if you double-click on it, you will see: Website Design by Alvitr.

Prolific usb to serial comm port+This device cannot start. (Code 10)

We issue this warning to all our customers and consumers to avoid confusion and false purchase. If it looks normal, it’s already good to go. Prolific will take proper and severe prolific usb to serial comm port xp to cease and confiscate these counterfeit products. If your adapter was jsb prior to going to Windows Update, you can “roll back” to the previous installed driver and all will uxb well once again.

Main cause of this issue is because the device you own contains a counterfeit “Prolific” chip China clone.

Recent Drivers  GCC 4520B DRIVER DOWNLOAD

Or you may get no error at all, but your device will still not work. To solve this intellectual infringement – original Prolific company modified their newest drivers to render the counterfeit adapters unusable.

PL2303 USB to UART Bridge Drivers (Windows)

Home Contact Support Knowledgebase Downloads. Click the drop down box and choose Harware IDs. Not this time Install from a specific location Don’t search. PL CheckChipVersion tool program. So no matter how many times you remove the driver files and reboot – the next time you insert the USB-To-Serial porlific, Windows installs the newest non-working version again.

In the Properties Window, Click on “Driver”. The latest driver does not work with some types of hardware. Issue will also may show messages like this: Run the installer program.

Thanks for your feedback, it helps us improve the site. You need to install v3.