This update has been rescheduled for tomorrow morning, 11/4/2015, at 8:00 AM.
The Junos Pulse VPN client has been rebranded as PulseSecure. Client software will automatically update to the new version beginning tomorrow, October 28th, at 8:00 AM. There should be no changes to functionality, and no configuration should be required.
Below are some screen captures of the updated client software: