A little more information. I killed the running update processes and started the update at the command line.
It appears stuck at with the following messages:
running http://upgrades.freepbxdistro.org/stable/6.12.65/upgrade-6.12.65-29.sh
mkdir: cannot create directory /usr/tmp/6.12.65-29': File exists
/etc/schmooze': File exists
mkdir: cannot create directory
hostname: Unknown host
hostname: Unknown host
hostname: Unknown host
hostname: Unknown host
ERROR: Module wcte12xp is in use
ERROR: Module wcte12xp is in use
ERROR: Module dahdi_voicebus is in use by wcte12xp
ERROR: Module dahdi is in use by wcte12xp,dahdi_voicebus
FATAL: Module r1t1 not found.
FATAL: Module rxt1 not found.
FATAL: Module rcbfx not found.
D: auto '/sys/bus/dahdi_devices/devices/pci:0000:04:08.0'