Connecting to Program Servers

#1
Hi,
I've upgraded my vista home premium pc to Windows 7 ultimate. I had no problem in the upgrade process. However, I later found lout that my programs can't communicate to Internet altough my computer is connected to the Internet. A particular program like my Norton Internet Security can't make connection to the company server for update. Everytime I try to update virus definition files the program can't detect an Internet connection. Not just norton. Word, Firefox, IE, and others also can't detect an internet connection.
The only program that can connect to Internet is IE 64 bit.

Does anybody know what's the problem and how to solve
 


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