We issue this warning to all our customers and consumers to avoid confusion and false purchase. Counterfeit IC products show exactly the same outside chip markings but generally are of poor quality and causes Windows driver compatibility issues (Yellow Mark Error Code 10 in Device Manager). Please be warned that counterfeit (fake) PL-2303HX (Chip Rev A) USB to Serial Controller ICs using Prolific’s trademark logo, brand name, and device drivers, were being sold in the China market. Some excerpts mentioned on the Prolific website is as below. This decision in turn also renders all earlier adapters inoperative displaying the above-said messages and error codes. They modified their newest drivers to render the counterfeit adapters unusable. So Prolific cleverly seems to come out and try to solve this intellectual infringement issue. The counterfeit chip uses the same Vendor ID (VID_067B) and Product ID (PID_2303) and is just the replica of the Prolific chips.
We are sure the Original Chips guys wont be reading this further. Upon further research, it became more clear that the main cause of this issue is the device you own contains a counterfeit “Prolific” chip (Chinese clones). Is it trying to warn us again about the device still being illegal and fake. Everything with the proper name and port number but still with the warning sign. Now we have got a strange warning sign in from of the port number. Then we unplugged the device and Put it right back and let windows install the drivers automatically. We just went ahead, Right clicked on the Port and clicked on “Uninstall device”. Please buy the original cables only from us“.
Saying “ Hey you are using Illegal stuff. More on our research pointed out there are several versions or look-alikes / copy cats / counterfeit (use as per your liking) of PL2303 are flooded out in the market, and Prolific just wanted to give us all a warning shot. Where we all sleeping from the past 8 years (apart from 2020 where we all had good sleep I guess).
The message was clear, it said it has been phased out in 2012 while we see this message in 2020.
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