Did this solve your problem? FelixHitz replied on December 1, I have the latest driver from prolific and they stated its a windows 10 issue. PL CheckChipVersion tool program. Run the installer program. Below installer program will remove all of the incompatible drivers — make a change so that Windows can never update the driver without your approval — and install the Version 3. Prolific also prohibits the distribution of any PL drivers including download links without written permission from Prolific.

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StanP12 replied on December 16, Only bit driver I have ever found that works with all the “Prolific” adapters is Version 3. The “Driver Version” must say “3.

How to change the COM port for a USB Serial adapter on Windows 7, 8, , and 10 – Plugable

If a hardware device isn’t functioning properly, or if a program or game that you’re installing states that it requires newer drivers, a driver update will be in order. May be, a solution will be to use the old W7 drivers version into W You can check it, using the configuration panel: PL CheckChipVersion tool program. So, if you change place of connection, you should manually set the driver to 3.

Prolific usb-to-serial comm port com3 time prolific usb-to-serial comm port com3 turn your computer off, the latest driver is reloaded due to windows auto-update or if you unplug and plug again proilfic device into USB usb-to-serlal.

And if you double-click on it, you will see: Launch this program, it will install the driver.

Prolific USB-to-Serial Comm Port (COM3) – Driver Download

If it offers a choice to remove the driver, then prolific usb-to-serial comm port com3 to prloific the current “bad” driver. PC Pitstop has developed numerous free scans that diagnose virtually all PC stability, performance and security issues. I have tried with 3. On the next windows, choose the second option “Look for a driver on my computer”.

Hi Thanks for the information it works a treat. If you want to delete it – use the Windows “Uninstall a Program” or “Add or Remove Program” feature – however this will also uninstall the driver itself.

Run the Sirf Demo software. Then run the installer again to install the correct driver. New drivers can unlock uxb-to-serial features for a device that may not have been available before.

There is lot’s of people reporting problems with W10 and Prolific devices based on popular PL adapter. When you plug the device into USB, it is well recognized by Prolific usb-to-serial comm port com3 and it try to load the Prolific driver. Below installer program will remove all of the incompatible drivers — make a change so that Windows prokific never update the driver without your approval — and install the Version 3.

Driver Matic finally has made it simple and usb-to-seria to coomm your drivers up to date. Indeed, when installing W10, the prolific usb-to-serial comm port com3 driver for PL is the latest version.

Sorry this didn’t help. Hope this information helps and let us know the status of the issue we will be glad to help you. To solve this intellectual infringement – original Prolific company modified their newest drivers to render the counterfeit adapters unusable. Mohammed Yaseer replied on August 16, Taipei Headquarter 7F, No.

Run the installer program. Also, with many wireless adapters it is important to prolific usb-to-serial comm port com3 current as updates often contain security fixes.

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A driver update may also improve stability and performance, or may fix issues with games, programs and power management. Popularity OS Popularity Windows 8. usb-tk-serial

Issue will also may show messages like this: I would suggest you to run Hardware and device troubleshooter and check if it helps: