This problem can be caused by a
variety of issues, including:
Internet
connectivity has been lost.
The website is
temporarily unavailable.
The Domain Name
Server (DNS) is not reachable.
The Domain Name
Server (DNS) does not have a listing for the website's domain.
If this is an
HTTPS (secure) address, click Tools, click Internet Options, click
Advanced, and check to be sure the SSL and TLS protocols are enabled
under the security section.
For offline
users
You can
still view subscribed feeds and some recently viewed webpages.
To view subscribed feeds
Click
the Favorites Center button , click Feeds,
and then click the feed you want to view.
To view
recently visited webpages (might not work on all pages)
Click
Tools , and then click Work Offline.
Click the
Favorites Center button , click
History, and then click the page you want to view.