avast site- but where?

I have the avast home edition and lately I have received notices to renew my license or upgrade to pro. When I go to the avast site I get the “cannot find server” page although I am clearly online and able to access any other site on the web. So what gives? This problem has happened for weeks now.

To get or renew you license, just go to the following site:
http://www.avast.com/i_kat_207.php?lang=ENG