While ARROW undergoes an upgrade, ARROW will be offline and unavailable from Friday, August 9th @ 4pm through Monday, August 12th @ 8am. During this time, the ARROW login page will be replaced with a system maintenance message.
For more information about educational sessions and office hours related to the Click 10 upgrade, please see this post. A summary of the changes included the upgrade is available here: ARROW Upgrade Navigation Changes.