about 15:30 2014-12-29 UTCI am having the same issue & since it says on the status that the xO4 server is back up according to the notes...It says also sites are unaffected by the server issues. (So not true)
XO4 Outage 4 hours ago
We are currently looking into some issues that have arisen on the server “xo4”. We appreciate your patience as we investigate into why this has happened, and apologize for any inconvenience this may cause.