Prolific Usb To Serial Comm Port Version 32 00 [verified] Download 2021 Jun 2026

Set it to , click Show , and enter the Hardware ID ( USB\VID_067B&PID_2303 ). Troubleshooting Common Errors

: Highly recommended for programming cables; provides direct links to 3.2.0.0.

Windows Update will frequently try to replace version 3.2.0.0 with the latest non-working version. Use the Show or Hide Updates Tool

: Offers a direct ZIP/EXE download of version 3.2.0.0 for 32-bit and 64-bit systems. Installation Steps for Windows 10/11 prolific usb to serial comm port version 32 00 download 2021

: Unplug your USB-to-Serial cable before running the installer. Run Installer

Select the version listed as (with a 2007 or 2008 date) from the list.

Unplug your USB-to-Serial cable before starting the installation. Run the Installer: Double-click the Set it to , click Show , and

(developed by GitHub user johnstevenson) is a dedicated tool that installs legacy drivers for PL2303 HXA/XA and TA/TB chips on Windows 10 and Windows 11. The tool supports both 32-bit and 64-bit architectures and includes drivers up to version 3.8.36.2 for TA/TB chips, which is newer than 3.2.0.0 but still old enough to avoid the counterfeit-detection code present in versions 3.9.x and later. The major advantage of this tool is that it installs the driver in a way that Windows recognizes as legitimate, and it provides a simple way to re-apply the driver if Windows Update overwrites it.

Disclaimer: Using older drivers may result in security gaps. Only use this specific version if newer drivers fail to recognize your hardware. If you're interested, I can also: Show you . List the best modern alternatives to Prolific cables.

There is a massive market of counterfeit Prolific chips (PL2303) used in generic USB-to-Serial cables. To combat this, Prolific updated their drivers (versions 3.4 and higher) to detect fake chips. If a fake chip is detected, the driver disables the port, causing it to stop working. Use the Show or Hide Updates Tool :

Choose .

If you are seeing a yellow warning triangle and a error in your Device Manager, you likely have a PL2303-based adapter with a "phased out" or non-genuine chip. Modern Windows updates often automatically install the latest Prolific driver, which purposely disables older or counterfeit hardware.