A: The display string "32.00" does not guarantee the driver loaded. Check the Driver Provider (must be Prolific) and Driver Date (should be 2020 or 2021). Some malware pretends to be v32.00 but is actually an old 2009 driver.
Prolific Technology Inc. is known for its USB-to-serial converter chips, which allow you to convert a USB port into a serial (RS-232) port. This is especially useful for connecting devices like GPS receivers, serial consoles, or old industrial equipment to modern computers that lack serial ports.
If you want, I can:
The Prolific USB-to-Serial COM Port driver version 3.2.0.0 (released circa 2021) is a legacy driver often used to maintain compatibility with older PL-2303HXA or PL-2303X chipsets on modern operating systems like Windows 10 and 11.
While Prolific officially discontinued support for these older "EOL" (End of Life) chips, this specific driver version is widely sought after as a workaround for the common "Error Code 10" (Device cannot start) triggered by newer, incompatible Windows Update drivers. Key Features and Use Cases
Legacy Chip Support: This version is the primary fix for older USB-to-serial adapters that Prolific no longer supports in their latest "PL2303_Prolific_DriverInstaller" packages. prolific+usb+to+serial+comm+port+version+32+00+download+2021
Windows 10/11 Compatibility: It allows older hardware to function on newer OS versions by bypassing the "Phase-out" security blocks implemented in 2021-era Prolific drivers.
Baud Rate Stability: Supports standard data transfer rates (typically up to 115200 bps) for connecting to networking equipment (routers/switches), GPS units, and industrial controllers.
Plug-and-Play Restoration: Once manually installed via the "Let me pick from a list of available drivers" option in Device Manager, it restores the COM port assignment for the device. Critical Technical Details Driver Provider: Prolific
Driver Date: Generally listed as 2007 or 2008 in the properties window, even if the "package" was updated or distributed in 2021 for modern installers.
Common File Name: PL2303_Prolific_GPS_AllInOne_1013.exe (or similar legacy installers). Troubleshooting Note A: The display string "32
If you are using this driver to fix a non-working cable, you must usually disable automatic driver updates for that specific device. Otherwise, Windows Update will likely replace version 3.2.0.0 with a newer version that will cause the device to stop working again with a "Yellow Triangle" in Device Manager.
The Prolific USB-to-Serial COM Port driver is a critical piece of software that enables communication between computers and legacy serial (RS-232) devices via USB U.S. Converters LLC Driver Overview and Compatibility
: It acts as a bridge, allowing modern hardware without native serial ports to connect with industrial equipment, telescopes, or older networking hardware. The "Code 10" Issue : Users often encounter a "This Device Cannot Start (Code 10)"
error. This typically occurs because modern Windows updates automatically install the latest driver version, which is often incompatible with older or "cloned" Prolific chips. Operating Systems
: Supported across Windows 7, 8.1, 10, and 11. However, specific older chip versions like PL-2303HXA and PL-2303X are no longer supported on Windows 8 and higher. Microsoft Community Hub Installation and Troubleshooting The Prolific USB-to-Serial COM Port driver version 3
To resolve connection failures or driver errors, the most effective method is often manually rolling back to an older, more stable driver version.
A: No. This driver is Windows-only. macOS uses the built-in AppleUSBSerial.kext (though models later than 2019 removed it). Linux uses the pl2303 kernel module (no v32.00 needed).
The most trusted source was the Microsoft Update Catalog. You could search for "Prolific USB to Serial Comm Port" and filter by version 3.2.0.0. The catalog provided signed .cab files that you could extract.
Prolific had removed the "clone-friendly" drivers by 2019. However, in early 2021, they briefly re-uploaded v3.2.0.0 under their legacy support section. The direct link pattern was:
Manufacturers like StarTech, Tripp Lite, and Brainboxes often repackaged the 32.00 driver for their branded cables and hosted it on their own secure servers.
Important Note: Prolific officially states that counterfeit chips are not supported. Version 32.00 is a community favorite unofficial workaround, not an endorsement.