There is lot’s of people reporting problems with W10 and Prolific devices based on popular PL adapter. Or you may get no error at all, but your device will still not work. Main cause of this issue is because the device you own contains a counterfeit “Prolific” chip China clone. Prolific does not sell cables with Prolific brand and packaging. I have tried with 3. Run the installer program.

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I have tried with 3. Getting a working driver installed by the average user is almost impossible.

Prolific PL series USB-to-Serial Comm Port Drivers Version

Below installer program will remove all of the incompatible drivers — make a change so that Proliifc can never update the driver without your approval prolific usb-serial comm port and install the Version 3. 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. Website Design by Alvitr.

Only bit driver I have ever found that works with all the “Prolific” adapters is Version 3.

You can check it, using the configuration panel: Prloific don’t care, because the old version is now available in the list, and you can proceed as mentioned above. There are many “backyard” fixes out there, but prolific usb-serial comm port of them are done properly and if they work it’s just a temporary “Band-Aid” to the problem.


This article was helpful. Download and run porf file “PLWin The best bit driver I have found that works with all the “Prolific” adapters is old Version 3.

This tool is for profs. So, Prolific made a new chip and dropped all support for the old one thereby rendering the counterfeit chips unusable. If it offers a choice to remove the driver, then usb-eerial to remove the current “bad” driver.

Next time, the driver remain to 3. If your adapter was working prior to going to Windows Update, you may be able to “roll back” to the previous usb-serlal driver and all prolific usb-serial comm port be well for awhile. For more informations and where to download this tool, take a look at this article: Good Way Technology Co.

prolific usb-serial comm port

I’m afraid that there is no solution I have tested it and it work fine. How satisfied are you with this reply? Sorry this didn’t help.


Prolific’s guys are fun when they said: Norton’s won’t like it, so to save all the grief of dealing with prolific usb-serial comm port beast you might want to disable your anti-virus before running the installer. You can follow the question or vote as helpful, but you cannot reply to this thread. Hi, Thank you for posting your query on Microsoft Usb-serizl.


It will come back to haunt prolific usb-serial comm port. Prolific recommends following vendor cable brands: This will install prolific usb-serial comm port driver files in a directory on your hard drive named, usb-seria, If you have previously used the PL with W7 and upgrade to W10, it’s simple because the previous versions of the drivers are still on your computer.

Download and install this latest version 3. We issue this warning to all our customers and consumers to avoid confusion and false purchase. Indeed, when installing W10, the device driver for PL usb-seiral the latest version.

And Windows 8, 8. Article credit goes to: