[wubi] Problem with wifi network

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http://ubuntuforums.org – Hi, Right now I am using Ubuntu 12.04 alongside with windows operating system. I have installed this Ubuntu with Wubi. Right now I am facing problem with wifi network in my apartment. The respective wifi network can be connected very easily. But I am unable to access internet connection. All the time Mozzila shows 'Server not fount'. But interestingly I can connect to university wifi network and access the internet. So what is the problem? How can I get rid of this problem. I am quite worried that frequently I need to travel many places. So wifi connection with proper internet is requ (Hardware)