Had the same troubles after WIN10 clean install. The only problem with it, is that, it reload the latest driver when you plug the device on a never used USB port. This tool is for profs. Mohammed Yaseer Replied on August 16, This work fine, but looking at the configuration panel, you will then notice that there is an error code 10 and the driver is not working properly. The “Driver Version” must say “2. Prolific’s guys are fun when they said:

Uploader: Gura
Date Added: 27 October 2006
File Size: 69.82 Mb
Operating Systems: Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X
Downloads: 81200
Price: Free* [*Free Regsitration Required]

Even vendors selling their “USB to Serial” adapters are baffled. This site in other languages x. Issue will also may show messages like this: Hi Thanks for the information it works a treat. The procedure above works, but only temporary. If you have previously used the PL with W7 and usb vid 067b pid 2303 windows 8 to W10, it’s simple because the previous versions of the drivers are still on your computer.

Main cause of this issue is because the device you own contains a counterfeit “Prolific” chip China clone. If you want to delete it – use the Windows “Uninstall a Program” or “Add or Remove Program” feature – however this will also uninstall the driver itself. Mohammed Yaseer Replied on August 16, In reply to OmarGimenez’s post on November 22, If not, then the correct driver is not installed. StanP12 Replied on December 16, Close the Sirf Demo software. You can check it, using the configuration panel: When you plug the device into USB, it is well recognized by W10 and it try to load the Prolific driver.


Did this solve your problem? Usb vid 067b pid 2303 windows 8 course, you can try to manually update the driver at Prolific site: The “Driver Version” must say “2.

PL USB to UART Bridge Drivers (Windows)

And it addresses issue of: Home Contact Support Knowledgebase Downloads. How do I fix it? You should now have a list showing all versions of the driver available.

In reply to FelixHitz’s post on December 1, This article was not helpful. Usb vid 067b pid 2303 windows 8 installer program will remove windoqs of the incompatible drivers — make a change so that Windows can never update the driver without your approval — and install the Version 3.

That means correct driver version is not installed. This confirms you need to install correct driver file.

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.

Recent Drivers  M CW47 DRIVER

And Windows 8, 8. As many people, you probably upgrade directly from 203 to W10, and sure, don’t know that this problem was already present with W8.

USB Serial Adapter Drivers Page

The only problem with it, is that, it reload the latest driver when you plug the device on a never used USB port. Type troubleshooting in the search bar, click on troubleshooting.

I have the same question Click on properties, and get the details:. Sometimes, installing the latest version of drivers solve the problem, but in this case, this is the opposite.