I am unable to install the driver. Can you provide me the link to download the driver for my screative sound card CT4870.

Click start control panel administrive tools computer management device manager scroll to sound,video and game controllers you might see a yellow question exclamation mark? ! or a red X Right click to reinstall drivers
http://download.cnet.com/%7Bvalue=http://www.download.com/creative-labs-sound-blaster/3000-2120_4-10005159.html

http://download.cnet.com/%7Bvalue=http://www.download.com/creative-sound-blaster-audigy/3000-2120_4-10198811.html

http://download.cnet.com/%7Bvalue=http://www.download.com/creative-labs-sound-blaster/3000-2120_4-10022925.html

http://www.boxdrivers.com

using this link you will be able select your drivers

if these sound driver packages are not right
http://download.cnet.com/2000-20_4.html
on the home page you should see a search tab just type in what you are looking for
(be precise)also the download software finder under that there will be a list place a tick in the box of any one you want/need
all software windows software mac software mobile and web apps

http://majorgeeks.com/downloads35.html

also this link will provide you with many freeware and share drivers

hope one of these will help you