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All Public Sonic Actions – the website created for people who wants to download free drivers but can not. They can use my website anytime.


Results 1—2 of 2 1. Click “Update Driver”, then “Browse my computer for driver software”. Tell us about your experience with our site. I would suggest you to run Hardware and device troubleshooter and check if it helps: Download and install this latest version 3. Cons Downloader contains strongvault “virus”. And it addresses issue of:

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How do I fix it? I installed this driving hoping it would resolve this problem, but no luck.

Once reported, our staff will be notified and the comment will be reviewed. If you still have a problem, you may try this procedure to revert to a previously known working driver.

How to install Prolific USB to Serial driver on Windows 8

Close the Sirf Demo software. And Windows 8, 8.

Download Now Secure Download. Download drivers from Prolific site.

Available forum solutions to this problem are half-baked. Hey, but I can’t do that myself!!! Click on properties, and get the details:.

So no matter how many times you remove the driver files and reboot – the next time you insert the USB-To-Serial adapter, Windows installs the newest non-working version again. Of course, you can try to manually update the driver at Prolific site: Select the Driver Click on “Let me pick from a list of device drivers on my computer”.


Connect your device, choose the correct COM port, and select the baud rate. This dialog should open: 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.

FelixHitz replied on December 10, Download the correct driver Download from this link: The latest version doesn’t work anymore with old hardware, and you need to downgrade the driver.

Summary I have a serial to usb adaptor, prolific usb to serial com port Windows 7 automatically detecting it as a Prolific-to-Serial Comm Port but with an error of Code 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 prolific usb to serial com port information.

Even vendors selling their “USB to Serial” adapters are baffled. Explore Further Prolific 3.


Thank You for Submitting a Reply,! Reply to this review Was this review helpful? That means correct driver version is not installed.


May be, a solution will be to use the old W7 drivers version into W In the Properties Window, Click on “Driver”. Sometimes, installing the latest version of drivers solve the problem, but in this case, this is the opposite.

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 portt error This article was not helpful. Mohammed Yaseer replied on August 16, Indeed, when installing W10, the device driver for PL is the latest version. Good Way Technology Co. Later version, like 3. In summary, prolific usb to serial com port article is for: