A recent change to xolite tries to "fetch the latest version" from the internet if it exists. /opt/xensource/www/index.html tries to fall back "./xolite.html", but that file is not present? So if your internet is down/firewalled etc. xolite is not going to work. On a side note...making the local web admin reliant on any internet site is a terrible idea. Please consider making xolite 100% local only again.