In my case I didn’t even know I had a knock off but I downloaded the older drivers and installed them and voila, I was up and running!Īnd just another quick tip, since if you’re here you’ve probably already installed the newer drivers and your system will default to those each time you try to plugin the device.

With a bit more digging I found out that this was a common error for knock-off Prolific chips as in recent driver versions they have been blocking cloned or pirated chips. However I could not get it working on any of my personal computers or even my work computer.Īfter receiving the same error on each machine I started to think it wasn’t the device nor the computer but the drivers. Windows 2000, Windows XP, Windows XP 64-bit, Windows Vista, Windows Vista 64-bit, Windows 7, Windows 7 64-bit, Windows 8, Windows 8 64-bit, Windows 8.1, Windows 8.I recently dug an old PL2303MDL programmer out of a tackle box of electronics and tried to get it working so I could flash some Sonoff devices with tasmota firmware. Prolific Prolific USB-to-Serial Comm Port Drivers To download and install the Prolific USB-to-Serial Comm Port :componentName driver manually, select the right option from the list below.

It supports such operating systems as Windows 10, Windows 11, Windows 8 / 8.1, Windows 7 and Windows Vista (64/32 bit). The tool contains only the latest versions of drivers provided by official manufacturers. Being an easy-to-use utility, The Drivers Update Tool is a great alternative to manual installation, which has been recognized by many computer experts and computer magazines. The utility will automatically determine the right driver for your system as well as download and install the Prolific USB-to-Serial Comm Port :componentName driver. Please review Outbyte EULA and app.privacyĬlick “Download Now” to get the Drivers Update Tool that comes with the Prolific USB-to-Serial Comm Port :componentName driver.

See more information about Outbyte and unistall app.instrustions.

Prolific usb to serial comm port com3