That is a shitty fucking ethernet card. The company doesn't even have a website. For 14.99 you could get this..
http://www.bestbuy.com/site/olspage....1&type=product
But since you already bought it and probably can't return it, try this link.
http://members.driverguide.com/drive...driverid=63517
If it asks you to login here you go - driver:all
If that doesn't work, burn that piece of shit and buy a real one.