[wubi] No internet connection in chromium browsers?

view full story

http://ubuntuforums.org – I have installed ubuntu 11.10 inside xp using Wubi. Whenever I log into xp then the next time onwards chromium browser don't work in ubuntu.But I am getting internet through firefox in ubuntu.I am using a wired network.The same thing happened in the earlier version of ubuntu also(11.04). (Hardware)