Problem faced on using nmap

[pankaj soni <soni_pks () yahoo com>]

I am using Windows XP Professional x64 Edition Version
2003 Service Pack 1. I downloaded latest version
Zenmap 4.51BETA



I tried to use nmap after installing it I get this
error:

dnet: Failed to open device eth0
QUITTING!


What to do to remove this error.I am unable to do any
type of scan. I get same error for any command

This mail is send by Pankaj Soni


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