According to a friend of mine who works with these devices, you probably need to install the Intel® My WiFi Utility. I found this article that appears to answer your question:
See How to install Intel® My WiFi Technology for installation instructions.
You can download the latest version of Intel PROSet/Wireless here:
or here if you are using 64-bit Vista:
Thanks Mark, finally I figured out that the problem is firewall. I have to completely removed Comodo firewall to get ICS working.