This is a more friendly XP driver from the Taiwan Manufacturer site for PL-2303 USB to Serial Bridge (H, HX, X) Installshield Driver Setup Program
v18.104.22.168 for Win98SE/ME
v22.214.171.124 for Win2K/XP/2003 (XP Logo Certified)
For Prolific USB Device VID_067B&PID_2303 Only (check your control panel hardware COM port device ID that gets added by this driver PROPERTIES/DETAILS reports in as a USB\VID_067B&PID_2303, as generic device sometimes marketed as a iCONCEPTS product around 2002
The following files are found inside the driver download file.
|wd_pl2303h-hx-x_v20019v2028/PL-2303 Driver Installer.exe||1.7 MB||24 Dec 2007|