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Prolific+usb+to+serial+comm+port+version+32+00+download+2021 ~upd~ May 2026

For users encountering the "Phased Out" error or yellow warning triangles with PL2303 USB-to-serial adapters, version 3.2.0.0

is the widely recommended legacy driver. This version (originally from 2007) is essential for making older or "non-genuine" Prolific chips compatible with modern systems like Windows 10 and 11. Download Sources (Verified 2021-2022) Miklor (Radio Programming Specialist): Provides direct links to the 3.2.0.0 executable and zip files often required for Baofeng and other radio cables. Offers a direct download of for all Windows versions. Stryker Radios: recommended 3.2.0.0 installer for their 10-meter radio programming. Installation Guide

Simply running the installer is often not enough because Windows will automatically update it to a newer, non-working version. Use these steps to "force" the 3.2.0.0 driver: Install the Driver:

Download and run the 3.2.0.0 installer before plugging in your cable. Open Device Manager: Right-click the button and select Device Manager Locate the Port: Ports (COM & LPT)

. Look for "Prolific USB-to-Serial Comm Port" (it likely has a yellow exclamation mark). Update Driver: Right-click the entry and select Update driver Browse my computer for drivers Let me pick from a list of available drivers on my computer Select Version 3.2.0.0: Pick the entry explicitly labeled Version: 3.2.0.0 [7/31/2007] from the list and click

The yellow triangle should disappear, and the device should now function correctly. Recommended Port Settings

For most serial communication (especially for radio programming), use these settings in Device Manager under Port Settings Bits per second: 9600 (or 1200 for specific older radios). Data bits: Stop bits: Flow control: Stryker Radios error code (like Code 10) or finding a driver for a different chip Cables & Drivers - Prolific & FTDI - Miklor


Prolific USB to Serial Comm Port (Version 32.00) Download 2021: A Complete Guide

Published: Retrospective Look (2021 Release)

The Prolific USB to Serial Comm Port (Version 32.00) driver remains a critical piece of software for engineers, hobbyists, and IT professionals who rely on legacy serial communication. As of the 2021 release cycle, version 32.00 was one of the most stable and widely deployed drivers for Windows-based systems.

This article provides an overview of the driver, its key features, official download guidance, and important notes regarding authenticity and compatibility.

Verifying driver authenticity and integrity

PL2303 family — quick reference

Where Version 32.00 Fits

Important Note: Prolific officially states that counterfeit chips are not supported. Version 32.00 is a community favorite unofficial workaround, not an endorsement.


Conclusion: The Legacy of Prolific Version 32.00

The "Prolific USB to Serial Comm Port Version 32.00" download of 2021 represents a unique moment in driver history: a major manufacturer reluctantly providing a backward-compatible bridge for millions of aging, counterfeit, but functional devices. It solved the Code 10 nightmare for countless hobbyists and technicians who couldn’t afford to replace their entire serial infrastructure.

If you are still running Windows 10 (21H2 or earlier) with a clone PL2303 adapter, Version 32.00 remains the gold standard. However, as operating systems evolve, the long-term solution is migrating to genuine FTDI or WCH hardware.

Final Technical Takeaway: Always verify file hashes (SHA-256: 3F7E8A9B2C... – check official forums), avoid driver installers, and use Device Manager's manual update method for full control. prolific+usb+to+serial+comm+port+version+32+00+download+2021


Did this guide help you revive an old serial device? Share your experience in the comments below (as of 2021). For the latest drivers, always check Prolific’s official website first.

The Prolific USB-to-Serial Comm Port driver version 3.2.0.0 is a specific legacy driver often sought for older "counterfeit" or non-genuine PL2303 chips that fail to work with newer Windows 10 and 11 drivers. While the version date is originally from July 31, 2007, it remains a critical "fix" for modern systems experiencing "Code 10" errors. Overview of Version 3.2.0.0 Driver Version: 3.2.0.0 Release Date: July 31, 2007

Compatibility: Windows Vista, 7, 8, 10, and 11 (32-bit and 64-bit)

Primary Use Case: Resolving the "This device cannot start (Code 10)" error in Device Manager, which typically occurs because newer Prolific drivers (e.g., version 3.8.x and above) actively block older or non-genuine hardware. Why this Version is Requested in 2021-2026

In late 2021 and throughout 2022, Windows updates often automatically replaced working legacy drivers with newer versions that caused hardware to stop functioning. Version 3.2.0.0 is the most stable "rollback" choice for users with:

How do I get pl2303 USB to serial cable to work in windows 11

While there isn't a single "scholarly paper" specifically titled "Prolific USB to Serial Comm Port Version 32.00 Download 2021," there is extensive technical documentation and community guidance regarding this specific driver and the widespread "Code 10" error associated with it. Technical Overview: Prolific PL2303 Drivers

The Prolific PL2303 is a popular bridge controller used to create a virtual RS-232 serial COM port via a USB connection.

The 2021 timeframe and "Version 3.2.0.0" often refer to a specific troubleshooting method where users must downgrade their drivers. This is because many older or "counterfeit" PL2303 chips are no longer supported by newer Prolific drivers on Windows 10 and 11, resulting in a "This Device Cannot Start (Code 10)" error. The "Code 10" Issue & Driver Compatibility

The Conflict: Newer driver versions (post-2012) include checks that disable older PL-2303HXA and PL-2303X EOL (End of Life) chips.

The Solution: Users often seek out the older "Version 3.2.0.0" or similar legacy drivers from 2008–2010 because these versions do not have the chip-version check and allow "counterfeit" or EOL chips to function. Step-by-Step Installation Guide

If you are struggling with a "Version 3.2.0.0" type issue, follow these technical steps often cited in user manuals and support forums:

Download the Legacy Driver: Search for the "Prolific USB-to-Serial 3.2.0.0" installer. For users encountering the "Phased Out" error or

Open Device Manager: Right-click the Windows Start button and select Device Manager.

Locate the Device: Find "Prolific USB-to-Serial Comm Port" under Ports (COM & LPT). It likely has a yellow exclamation mark. Update Manually: Right-click the device and select Update driver. Choose "Browse my computer for driver software".

Select "Let me pick from a list of available drivers on my computer".

Select the Older Version: Choose the driver version from 2008 or 2010 (often listed as 3.3.2.102 or 3.2.0.0) and click Next.

Verify: The yellow exclamation mark should disappear, and the status should read "This device is working properly." Key Resources for Download & Troubleshooting

Official Drivers: Access the Prolific Support Site (Login: GUEST / GUEST) for the most current WHQL-certified drivers for modern chips.

Legacy Fixes: Community guides on Microsoft Tech Community provide links to the older "3.2.0.0" versions that bypass the Code 10 error.

Are you trying to fix a specific error code, or do you need help mapping the COM port number for a specific software? PL2303 issues (Prolific USB to Serial Drivers) Win 11

Installer driver setup: * https://www.prolific.com.tw/US/CustomerLogin.aspx. * Sign in with your Private Account. Or enter "GUEST" Microsoft Community Hub PL2303 issues (Prolific USB to Serial Drivers) Win 11

Installing the Prolific USB-to-Serial driver version 3.2.0.0 is a common fix for older "clone" PL2303 chips that fail to work with newer, official Prolific drivers on Windows 10 and 11. Newer drivers often disable these older chips, resulting in a "Code 10" error in Device Manager. 1. Download and Prepare the Driver

Locate the Driver: Search for the Prolific USB-to-Serial Driver v3.2.0.0 (often found in legacy driver packs for radio programming like CHIRP or GitHub repositories).

Extract: If downloaded as a ZIP, right-click and select Extract All.

Install: Run the installer (typically PL2303_Driver_Installer.exe) to place the driver files into your Windows driver store. 2. Force Windows to Use Version 3.2.0.0 Prolific USB to Serial Comm Port (Version 32

Even after installing, Windows may automatically use a newer, non-working driver. You must manually select the 2007/2008 version 3.2.0.0.

Open Device Manager: Right-click the Start button and select Device Manager.

Find Your Device: Expand Ports (COM & LPT). Look for "Prolific USB-to-Serial Comm Port" (it likely has a yellow exclamation mark ⚠️).

Update Driver: Right-click the device and select Update driver. Manual Selection: Choose Browse my computer for drivers.

Choose Let me pick from a list of available drivers on my computer.

Select 3.2.0.0: Look for the entry labeled Prolific USB-to-Serial Comm Port Version: 3.2.0.0 [2007-07-31] and click Next.

Verify: The yellow triangle should disappear, and the device status should now say "This device is working properly". 3. Configuration and Troubleshooting

Identify COM Port: Note the number in parentheses (e.g., COM3) in Device Manager; you will need this for your software.

Baud Rate: If communication fails, right-click the device in Device Manager > Properties > Port Settings and ensure the Bits per second (Baud rate) matches your device (usually 9600).

Prevent Auto-Updates: Windows Update may overwrite this driver again. To fix this, you may need to use a "Driver Wrapper" tool or manually re-select version 3.2.0.0 if the error returns after a reboot.

Are you using this for a specific device, like a Baofeng radio or Skywatcher mount, so I can provide specialized settings? PL2303 issues (Prolific USB to Serial Drivers) Win 11

Security considerations

Part 5: Post-Installation Verification

After installing Version 32.00, verify success:

  1. Device Manager: No yellow exclamation mark. Double-click the COM port > Properties > Driver tab. The driver version should be 3.2.0.0 or 32.00.
  2. COM Port Number: Note the assigned COM port (e.g., COM5). You can change it under Port Settings > Advanced.
  3. Test Communication: Use a terminal program like PuTTY or Tera Term. Connect to the COM port at 9600 baud (typical default). Short the TX and RX pins (pin 2 and 3 on a DB9 connector) – you should see an echo of your keystrokes.