The scheduled downtime we had last night to make some software upgrades on our server is now complete. You should be able to access the site now with no problems. But in the event that you do run into some issues, please let us know by emailing support@mybillq.com.
Also, you may want to clear your cache and delete your cookies just to be safe.
Thanks for your patience during this downtime! Luckily, everything seems to have gone smoothly.