Originally Posted by McLightning

ok i've got a driver cd that came with that device
here is its content
E:\Usb To Rs232\XCS-232-340
-340.exe ##which is self-extracting rar file
----it contains 5 files in it :
setup.exe ,
USBSER34.INF ,
USBSER34.SYS ,
USBSER34.VXD ,
USBSER98.INF
E:\Usb To Rs232\XCS-232-2303
-PL2303 driver.exe ##installation wizard file
-remove old driver.exe
-ser2pl.sys
-ser9pl.sys
-serspl.inf
-serspl.vxd
-serwpl.inf

what i do is installing content of first folder
then installing pl2303 driver.
to get it work on my windows desktop

i hope this helps
i can send content of any file above if it helps