Prolific Usb To Serial Comm Port Version 32 00 ~upd~ Download 2021 Jun 2026

However, the widespread popularity of the PL2303 led to a massive influx of counterfeit chips, predominantly from Asian markets, flooding the supply chain. To combat this, Prolific began designing newer drivers to recognize and disable these fake chips, making them inoperable in Windows. Around 2012, Prolific officially declared the PL2303HXA and PL2303XA chips "end-of-life" (EOL) and subsequently released driver updates that removed support for them and their clones. A similar fate later befell the PL2303TA/TB chips, which were also rendered unsupported in later drivers designed for Windows 11.

The market is flooded with clone or counterfeit PL2303 chips. Prolific altered their official, newer drivers to intentionally disable these unofficial chips. prolific usb to serial comm port version 32 00 download 2021

Windows will downgrade the driver to the chosen version, and the yellow exclamation mark should disappear, assigning a functional COM port number (e.g., COM3). Troubleshooting Common Issues Preventing Windows Update Overwrites However, the widespread popularity of the PL2303 led

Prolific Technology Inc. is a Taiwan-based IC design house specializing in USB Smart I/O controllers, including the ubiquitous PL2303 series of USB-to-UART bridge chips. These chips allow a computer to emulate a legacy serial port (RS-232) through a USB connection, turning a simple USB cable into a virtual COM port. This functionality is invaluable for programming two-way radios, configuring network equipment, communicating with microcontrollers like Arduino, and countless other applications where legacy serial interfaces remain the standard. A similar fate later befell the PL2303TA/TB chips,

: After successfully installing version 3.2.0.0, open Device Manager, right-click the "Prolific USB-to-Serial Comm Port" entry, select "Properties," go to the "Driver" tab, and click "Roll Back Driver" if the button is enabled. This tells Windows that you prefer the current driver. Additionally, in Windows Settings, navigate to "System" → "About" → "Advanced system settings" → "Hardware" → "Device Installation Settings," and select "No" when asked whether to automatically download drivers. This setting reduces the likelihood of automatic overwrites.

file and follow the prompts. Note that this might not immediately fix the issue if a newer driver is already active. Manual Rollback in Device Manager Device Manager (Right-click Start > Device Manager). Ports (COM & LPT) and right-click your "Prolific USB-to-Serial Comm Port". Update driver Browse my computer for drivers Let me pick from a list of available drivers on my computer Choose the version that specifically says and click Next. Verify the Fix