I installed ubuntu 12.10 using windows installer(wubi). When I tried to update it using "sudo apt-get update", it didn't work and showed something like this
Something wicked happened resolving 'archive.ubuntu.com:http' (-5 - No address associated with hostname) Err http://archive.ubuntu.com quantal/main i386 Packages
I'm using a proxy network.I'm a beginner.So, plz tell me what to do in detail.