Download the 3.2.0.0 zip/exe file and extract it. Run Installer: Run the PL2303_Prolific_Driver.exe file. Restart: Restart your computer, even if not prompted. Plug in Cable: Plug the USB cable back in. Troubleshooting "Code 10" or "No Device Found"
Since this is an older version, it is typically found on enthusiast sites or manufacturer support pages rather than the main Prolific corporate site:
Many users seek the "3.2.0.0" version (often listed within packages like 3.3.2.105 or older) because it offers superior compatibility with "older" or clone PL2303 chips, which newer drivers refuse to support, leading to the error. prolific usb to serial comm port version 32 00 download 2021
: 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.
⚠️ : Many “driver download” sites bundle malware. Avoid driver-solution.com , drp.su , etc. Download the 3
Troubleshooting tips
Most connectivity issues with Prolific adapters are not caused by broken hardware. They are caused by digital rights management and chip generation conflicts. Plug in Cable: Plug the USB cable back in
For technicians, engineers, and hobbyists, the Prolific PL2303 chipset is a staple for converting USB ports to RS-232 serial interfaces. However, with Windows 10 and 11 updates, newer drivers often cause "fake" or older Prolific chips to stop working, typically throwing a in Device Manager.