its letting me goon everything else but face book,i was on facebook last night :s this keeps on coming up every time i type facebook in

Address Not Found

www.facebook.com could not be found. Please check the name and try again.

The browser could not find the host server for the provided address.

* Did you make a mistake when typing the domain? (e.g. “ww.mozilla.org” instead of

“www.mozilla.org”)

* Are you certain this domain address exists? Its registration may have expired.

* Are you unable to browse other sites? Check your network connection and DNS server settings.

* Is your computer or network protected by a firewall or proxy? Incorrect settings can interfere with Web browsing.