I don't no... But working with the default username/passwordgergo: No idea. Servers are running.
SoraTSO: Make sure you're running the updater as admin. Unfortunately it is a bit unstable atm. I think there are other members that could be more helpful, actually.
else... default username/password, after the charactermenu:
me too
(Win7 x64, 0.1.20)
Edit: myUSERNAME, myPASSWORD: