MANAGE PROLIFIC PORT (USB TO SERIAL)

See also Prolific Usb Driver.

Step to Manage :
Minimize all running program or go to "Desktop"
on "My Computer" icon, right click then clik "Manage"

click "Device Manager" then "Ports (COM & LPT)"
you can see "Prolific USB-to-Serial Comm Port (COM3)"
(to use this cable, you must set COM (like Flashtools) to COM3)

to change this port to different COM,
right click "Prolific USB-to-Serial Comm Port (COM3)" click "Properties"

Go to TAB "Port Settings" press "Advanced.."

Chose "COM Port Number" you want then press "OK"

Press "OK"