: Specifically works with PL-2303HXA and PL-2303X chips.
Prolific actively tries to stop the use of cloned/counterfeit chipsets in their newer drivers, resulting in the famous "Code 10" error in Device Manager. Why Use the 3.2.0.0 Driver Version in 2021/2026?
Prolific Technology Inc. is a leading manufacturer of USB-to-UART bridge controllers (such as the PL-2303 chipset). The "USB to Serial Comm Port" driver allows an operating system to recognize a USB-to-RS232 adapter as a standard COM port. Version 32.00, released around 2021, specifically targeted enhancements for Windows 10 and early Windows 11 builds, while maintaining legacy support.
: Supports typical serial communication rates from 75 bps to 12 Mbps. How to Install for 2021+ Systems prolific+usb+to+serial+comm+port+version+32+00+download+2021
Example A — Connecting an Arduino serial console on Windows:
: Use a tool like ChipGenius to verify if your chip is a genuine Prolific or a clone, as this determines which legacy driver works best.
This comprehensive guide explains why version 3.2.0.0 is necessary, how to download and install it safely, and how to permanently prevent Windows from breaking your working setup. The Prolific PL2303 Driver Dilemma Explained : Specifically works with PL-2303HXA and PL-2303X chips
For advanced users on Windows Home or Pro, you can prevent Windows from updating drivers for specific hardware IDs via the Registry or Group Policy Editor ("Device Installation Restrictions"). This ensures your working 3.2.0.0 setup remains permanent. Summary Checklist for Troubleshooting Root Cause Direct Fix Windows installed a driver newer than v3.3.2 Force downgrade to v3.2.0.0 Driver reverts on reboot Windows Update active Use "Roll Back Driver" tool No COM Port listed Bad USB port or dead cable Switch to a USB 2.0 port
Crucial: Check the box that says "Delete the driver software for this device." Step 3: Install the 3.2.0.0 Driver
Version 32.00 was a hero. For current projects, it is a temporary bandage. Prolific Technology Inc
user wants a long article about "prolific+usb+to+serial+comm+port+version+32+00+download+2021". This likely refers to the Prolific USB-to-Serial COM Port driver version 3.2.0.0 or similar, specifically the 2021 release. I need to search for this driver. I'll search for "Prolific USB to Serial COM Port driver version 32.00 download 2021". search results show several potential sources. I should open a few to gather more details. search results provide a mix of driver download links and troubleshooting guides. I need to structure an article that covers what the Prolific USB-to-Serial driver is, the 3.2.0.0 version specifics, common issues (like counterfeit chips, Code 10 errors), and step-by-step installation guides. I'll also need to explain why version 3.2.0.0 is notable (its 2007 date, compatibility, etc.). The article should be detailed and useful. I will now write the article. guide will walk you through everything you need to know about the Prolific USB to Serial Comm Port driver, specifically focusing on version 3.2.0.0. Whether you're a radio amateur trying to program a transceiver, an engineer working with legacy industrial equipment, or a hobbyist connecting an older microcontroller, the right driver is essential.
Starting around 2012, Prolific intentionally altered its official drivers to detect non-genuine chips. If a clone was detected, Windows would disable the device and show Code 10 (This device cannot start) in Device Manager. The more recent the driver, the stricter the detection.
If you have already installed a newer driver and it is not working, you must roll back or replace it. Step 1: Download and Prepare
Before using this driver, it's critical to understand the risks and limitations:
Example B — Firmware update for a radio via PL2303 cable:
