Source view of your homepage shows this:
<base href="[ [!++site_url] ]" />
There should be no spaces between the square brackets and no exclamation mark, it should be:
<base href="[[++site_url]]" />
All your menu items seem to be pointing to this broken base_href and an unnamed anchor # which will not go anywhere.
Have you also ensured that you have renamed ht.access in the root folder to .htaccess - otherwise friendly URLs cannot be rewritten?
The number two in the url you mention could be caused by a page not being titled correctly (looks like the parent of page "newpage").