![]() Download and Save the 'PL-2303Driver Installer.exe' by clicking. ![]() VID067B&PID2303 for 'Prolific USB-to-Serial Comm Port'Steps. Prolific Usb Serial Driverĭevice using PL-2303 H/HXA/HX/X version chips. All Windows 32-bit operating systems from XP up. When it prompts you, plug in one (1) of your USB-To-Serial adapters and click 'Continue'. Unplug all USB-To-Serial adapters from your computer - and double-click on 'PL230364bitInstaller.exe'. Download and save the 'PL230364bit Installer.exe' by clicking. I have ran the troubleshooter and reinstalled the driver several. ![]() When the device is attached to my Windows 7 PC the system informs me that the 'Device driver software was not successfully installed'. Part of the installation included a driver for a 'Prolific USB-to-Serial Comm Port (COM3)'. VID067B&PID2303 for 'Prolific USB-to-Serial Comm Port'Steps. I installed software for an E-on Energy Fit Device. Device using PL-2303 H/HXA/HX/X version chips. All Windows 64-bit operating systems including Windows 10. 'Device driver was not successfully installed'Available forum solutions to this problem are half-baked.Įven vendors selling their 'USB to Serial' adapters are baffled.Main cause of this issue is because the device you own contains a counterfeit 'Prolific' chip (China clone).The counterfeit chip use the same Vendor ID (VID067B) and Product ID (PID2303) - as the authentic Prolific chips.To solve this intellectual infringement - original Prolific company modified their newest drivers to render the counterfeit adapters unusable. This confirms you need to install correct driver file.)Issue will also may show messages like this. That means correct driver version is not installed.)And if you double-click on it, you will see:(Notice in above picture, Code 10 error. Works on 32/64-bit.And it addresses issue of: Prolific PL-2303 Driver Fix (VID067B&PID2303)Driver issue will show inside your Device Manager like this:(Notice in above picture, yellow triangle next to 'Prolific USB-to-Serial Comm Port (COM X)'. Article credit goes to:-Purpose of this article is to guide you on how to FIX the 'Prolific USB-to-Serial' driver issue with common cheap units.In summary, this article is for: Windows XP, Windows 7, Windows 8, Windows 8.1 and Windows 10.
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