When the error first appears your Prolific USB to Serial Driver Software Installation contains something called Prolific USB to Serial Bridge (H, HX, X). Two new device drivers are installed. These drivers are not required and it is best to uninstall them as soon as possible. You only need one Driver to Install on your PC because this Driver download the USB to Serial driver.
If you plan to use your drivers and usb-serial hardware you may as well set up Windows first so that you can have everything at your finger tips. After that you have to load the driver and the Asio driver or necessary Driver to install first so that you can download the Driver. Enter a new command prompt and navigate the folder where you have saved the driver package. In this guide we will use the Save As method. We will save our Driver Package as PROLIF-USB-Serial-Bridge-Win32.zip. When you are sure that the package is saved correctly double-click on it to start the driver setup process. You'll be shown the name of the current version of the driver. Click Continue and then Accept the EULA agreement. To show the list of files contained in the Driver Package, Click Open. d2c66b5586