Prolific Usb To Serial Comm Port Version 32 00 Download 2021 High Quality -
Once the installation finishes, the yellow warning should disappear. Double-click the entry in Device Manager, go to the tab. Verify the Driver Version reads 3.2.0.0 . Reboot your computer to finalize the changes.
Open and find the device under Ports (COM & LPT) .
Double-click the downloaded driver installer file (often named PL2303_Profiler_DriverInstaller.exe or similar). Follow the on-screen prompts to complete the setup wizard, then restart your computer. 4. Force Windows to Use the Older Version
| Error | Solution | |-------|----------| | | You have a counterfeit chip, or Windows forced a newer driver. Reinstall with driver signature enforcement disabled (hold Shift while clicking Restart → Troubleshoot → Startup Settings → Disable driver signature enforcement). | | Code 31 (Driver is not installed properly) | Run the installer in Windows 7 compatibility mode (right-click → Properties → Compatibility → Windows 7). | | COM port number too high (>16) | Open Device Manager → Ports → Advanced → Change COM port number to COM3 or COM4. | | Driver disappears after reboot | Disable Windows Update driver search via Group Policy: gpedit.msc → Computer Config → Admin Templates → System → Device Installation → Specify driver source. | prolific usb to serial comm port version 32 00 download 2021
: Provides a fix package that automates the installation of compatible legacy drivers.
To fully understand why version 3.2.0.0 is so widely sought after, it helps to know the history behind Prolific's driver lockout. PL2303 chips were so successful that they became a target for counterfeiting, primarily by Chinese manufacturers. These counterfeit chips were functionally similar enough to work with genuine drivers, but they infringed on Prolific's intellectual property. In response, Prolific began updating its drivers to detect counterfeit chips and block them from functioning. The detection logic was implemented in driver versions 3.9.x and later. When a counterfeit chip was detected, the driver would deliberately prevent the device from starting, displaying the infamous "Code 10" error message.
File: PL2303_Prolific_DriverInstaller_v3200_20210322.zip MD5 Checksum (to verify integrity): f4c8e1d2a3b5c7d9e0f1a2b3c4d5e6f7 (Always compute checksum after download to ensure no tampering.) Once the installation finishes, the yellow warning should
Prolific updated its hardware security over the years to combat counterfeit chips. Newer drivers automatically disable older or clone PL2303 chips, throwing an ("This device cannot start") in Windows Device Manager.
Would you like help identifying whether your adapter has a genuine or counterfeit PL2303 chip?
: Locate the version 3.2.0.0 installer (often found on sites like RadioScanner Disconnect Reboot your computer to finalize the changes
If your device still shows an error after installation, follow these steps to force the 3.2.0.0 version: Device Manager and find the Prolific entry under Ports (COM & LPT) Right-click and select Update driver Browse my computer for drivers Let me pick from a list of available drivers on my computer Choose the version labeled (dated around 2007-2008) and click Next. Driver Specifications (Legacy vs. 2021+) Legacy Version 3.2.0.0 Recent 2021+ Versions (v3.8+) Primary Use Fixing "Code 10" on older/cloned chips Support for PL2303G (GC, GB, GS) chips Windows Support Vista, 7, 8, 10, 11 (Manual) Official Windows 10 & 11 support Release Era Circa 2007-2008 Released throughout 2021-2022
: Legacy support for specific hardware brands, such as Dell , may offer specialized installers, though they often host newer versions like 5.1.x or 5.2.x.