For example when the date is off or Norton expires you find this to happen. Try telling more. To guess what it is means that I will not get any close answer anytime soon.
I cannot access the internet on my laptop. I use Windows Vista os. My network connection status says I am connected operating fine. I tried connecting direct to the cable modem - it too gave a status of fine but would not connect to any web browser (firefox, ie, google chrome. rebooted wireless router and cable modem.