Network Status Showing Nothing on IP address field??

Hi all, recently i have this problem all my pc stuck and doing nothing, when check the Local Area Connection Status-> Support it is showing nothing!
Cant use my network so when restart my pc it is working ok, and after meantime it is showing this error again! Does someone know this error? Help?

http://img183.imageshack.us/img183/6663/error116143forforumbf4.jpg
[URL=http://img183.imageshack.us/my.php?image=error116143forforumbf4.jpg][IMG]http://img183.imageshack.us/img183/6663/error116143forforumbf4.th.jpg[/IMG][/URL]