The installation process requires manual intervention to prevent Windows from automatically loading a newer, incompatible driver. But with the step-by-step instructions provided here, even users with limited technical experience should be able to restore their Prolific serial devices to full functionality. For those who prefer a more modern solution, switching to adapters with newer PL2303 chips (GC, GS, GE, GT) or alternative chipsets (FTDI, CH340) eliminates the driver issue entirely.
While official Prolific websites offer the newest drivers (v3.8+), the older versions are generally found in tech-support forums or hardware manufacturer archives.
: 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. prolific usb to serial comm port version 32 00 download 2021
Windows 7, Windows 8, Windows 10, Windows 11 (32-bit and 64-bit)
Older PL2303 chips sometimes fail in blue USB 3.0 ports. Plug the adapter into a black USB 2.0 port. While official Prolific websites offer the newest drivers
If the error remains after forcing version 3.2.0.0, the issue may stem from physical factors:
Since this is an older legacy driver, you may need to source it from manufacturer support pages or community repositories like Miklor or VE7ED . Additionally, in Windows Settings, navigate to "System" →
Here are the three scenarios for your "Version 32 00" search:
While 3.2.0.0 is a lifesaver for legacy hardware, it is not a permanent solution for everyone.