Do you still have this problem?

Sorry for the delay.

Do you still have this problem?

What happens if you type www.avast.com into your browser's address bar and hit Enter? Any error messages?

What happens if you click this link? http://www.avast.com . Any error messages?

What browser are you using, and have you tried other browsers?

Does this computer have any other anti-virus suites installed?

Mark