: Unplug your USB-to-Serial cable before running the installer. Run Installer
: This is the most frequent error with Prolific devices on Windows 10 and 11. It almost always indicates that Windows has loaded a driver that either does not support your chip version or has detected your chip as counterfeit. The solution is to uninstall the current driver completely, disconnect the cable, restart the computer, reconnect the cable, and then manually install version 3.2.0.0 following the steps above. The Code 10 error is widely reported among users of older USB-to-serial adapters, and version 3.2.0.0 is the proven fix.
The Prolific USB to Serial Comm Port version 32.00 is a reliable and efficient solution for serial communication. With its high-speed data transfer rates, compatibility with various operating systems, and multiple port support, it is an ideal solution for various industries. By following the step-by-step guide provided in this article, users can easily download and install the driver in 2021. If you encounter any issues, the troubleshooting tips provided can help you resolve common problems.
: Originally compiled on July 31, 2007, version 3.2.0.0 does not contain these strict cryptographic validation mechanisms. It treats your USB-to-serial adapter as a functional standard bridge controller without bricking the interface. prolific usb to serial comm port version 32 00 download 2021
By late 2021, Prolific had released v3.4.0.0 and v3.5.x drivers, but v3.2.0.0 remained popular because it struck a balance — newer than the very old drivers (which Windows Update might block) but before more aggressive counterfeit blocking in later versions.
Newer drivers (often versions 3.8.x and above) are designed for the latest chip revisions and will often block older hardware. Version 3.2.0.0 is widely recognized as the "magic" legacy driver that restores functionality for older PL2303 HXA/XA and TA/TB chips on Windows 10 and 11. Step-by-Step Installation Guide
The Prolific USB to Serial Comm Port driver version 3.2.0.0 is an older driver that may still be used in certain situations. However, I recommend using the latest driver version available from Prolific or considering alternative drivers from FTDI. Always ensure that you download drivers from reputable sources to avoid potential security risks. : Unplug your USB-to-Serial cable before running the
USB 3.0 ports (blue slots) can occasionally cause timing glitches with legacy serial drivers. Plug your adapter into a USB 2.0 port (black slot) for maximum stability.
message, you aren’t alone. This often happens because modern Windows updates automatically install newer drivers that are incompatible with older or "non-genuine" Prolific PL2303 chips. The community-accepted fix is to "backdate" your driver to version 3.2.0.0
: For users who own adapters with modern PL2303 chips (GC, GS, GE, GT), none of the legacy workarounds are necessary. Prolific continues to release official drivers for these chips, with version 4.0.8, 4.6.0.0, and 5.2.7.2 all available for Windows 10/11 as of late 2024 and early 2025. If your adapter uses one of these newer chips, you should download the latest official driver from Prolific's website rather than using version 3.2.0.0. The solution is to uninstall the current driver
Many users who bought inexpensive USB-to-serial adapters from Amazon, eBay, or AliExpress found that after updating to Prolific’s official 2021 driver, their adapters stopped working. Prolific’s official stance: “Use only genuine Prolific chips.” This left consumers with two choices:
By providing a comprehensive guide to the Prolific USB to Serial Comm Port version 32.00, we hope to have helped users understand the benefits and features of this driver. Whether you are a developer, engineer, or simply a user who needs to connect a device to a computer, this article should have provided you with the necessary information to download, install, and use the Prolific USB to Serial Comm Port version 32.00.
In today's world of modern computing, serial communication has become a vital aspect of various industries, including industrial automation, embedded systems, and electronics. The Prolific USB to Serial Comm Port is a popular solution for devices that require serial communication, enabling users to connect their devices to a computer via a USB port. In this article, we will explore the Prolific USB to Serial Comm Port version 32.00, its features, and provide a step-by-step guide on how to download and install it in 2021.
If you encounter any issues during the installation or use of the Prolific USB to Serial Comm Port version 32.00, here are some troubleshooting tips: