Yes No Sorry this didn’t help. Windows detects I inserted the USB and displays the searching for drivers dialog. So no matter how many times you remove the driver files and reboot – the next time you insert the USB-To-Serial adapter, Windows installs the newest non-working version again. Home Contact Support Knowledgebase Downloads. This article was not helpful. And they worked when the ones on the included CD did not; when the ones from the Sabrent website did not, and when the ones from the Prolific website did not.

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Available forum solutions to this problem are half-baked.

Prolific PL USB-to-Serial port adapter driver fails to install – Microsoft Community

If it’s a Vista driver, why would it fail? If it offers a choice to remove the driver, then select to remove the current “bad” driver.

Main cause of this issue is because the device you own contains a counterfeit “Prolific” chip China clone. Notice pl2303 serial port usb-serial controller above picture, Code 10 error. The thread is here: And it addresses issue of: Prolific recommends following vendor cable seial And Windows 8, 8. The Vista drivers from cooldrives http: After system is up, I plugged in the cable.


Even vendors selling their “USB to Serial” adapters are baffled.

Where to Buy

Gunn asked on January 24, If not, pl2303 serial port usb-serial controller the correct driver is not installed. Yes No Sorry this uusb-serial help. If your adapter was working prior to going to Windows Update, you can “roll back” pl2303 serial port usb-serial controller the previous installed driver and all will be well once again.

The driver says it installed. Prolific will take proper and severe usb-zerial to cease and confiscate these counterfeit products. However if you didn’t have a previous driver installed that worked – you’ll have to go through the process of removing any PL driver installation programs, the actual driver files, and the information. Tell us about your experience with our site. Usb-serual you may get no error at all, but your device will still not work. Home Contact Support Knowledgebase Downloads.

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This article was not helpful. PL CheckChipVersion tool program. Or contact our worldwide distributors for other cable product reference and chip samples.

Good Way Technology Co. Removal of this tool: We issue this warning to all our customers and consumers to avoid confusion and false purchase.

Pl2303 serial port usb-serial controller article was helpful. Prolific does not sell cables with Prolific brand and packaging. Sorry this didn’t help. And if you double-click on it, you will see: It seems that lots of people don’t have any issues, and they have XP, Vista, and Win7 drivers available for it.

Thanks for the quick reply.