Sorry this didn’t help. You must follow ever step in the process in exact order. This site in other languages x. After selecting the desire port number, click “OK. You can follow the question or vote as helpful, but you cannot reply to this thread. If for some reason the above driver does not work, try one of the following:

Uploader: Vugor
Date Added: 2 July 2008
File Size: 51.85 Mb
Operating Systems: Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X
Downloads: 20213
Price: Free* [*Free Regsitration Required]

Also windows may demand restart.

Azam K Replied on October 21, Only bit driver I have ever found that works with all the “Prolific” adapters is Version 3. This confirms you need to install correct driver file. Prolific does prolific usb to serial vista sell cables with Prolific brand and packaging.

What worsens this issue is that there are many “Prolific Driver Removal Tools” that do not work properly. This value will change the port to COM 4.

Prolific PL USB Serial Drivers – USB Adapter

prolific usb to serial vista After selecting the desire port number, click “OK. Taipei Headquarter 7F, No. If the driver is loaded, you’ll see the device under ports, probably with a Yellow!

Prolific recommends following vendor cable brands: To solve this intellectual infringement – original Prolific company modified their newest drivers to render the counterfeit adapters unusable. Prolific will take proper and severe actions to cease and confiscate these counterfeit products. If the driver isn’t prolific usb to serial vista it will likely appear under Other or unknown?


Installer program will not run on early Windows 7 or Beta versions. Donate to Piedmont NET. This works for Windows 10 and this old style chip. Sorry this didn’t help. Please be warned that selling counterfeit products are illegal and punishable by civil and criminal courts according to the trademark, vistx, and intellectual properties laws and regulations.

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

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. This site in other languages x.

So no matter how many times you sfrial the driver files and reboot – the next time you insert the USB-To-Serial adapter, Windows prolific usb to serial vista the newest non-working version again. Prklific can check that the correct version is installed by double-clicking on the Prolific entry in device manager and selecting the Driver prolific usb to serial vista. Did this solve your problem? You should see a balloon popup that says “Installing device driver software”.


One 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 e. Vidta clicking update drvier choose: Sliminconcoova Replied on July 17, Home Contact Support Knowledgebase Downloads.

Vista Driver for Prolific USB Serial Adapters

You must follow ever step in the process in exact order. Qureshi Created on October 21, Your donations help the NET which is a totally volunteer operation to purchase medical and other supplies we will need in major disasters.

Launch the software to use with the new COM port. Right click the device in the device manager and choose update driver. Thanks for the link GoTechGuy.