Sometimes all I have to do is post a problem and then I'll find the answer on my own.
I tried running bootstrapper.sh repair to see what would happen. That's when I found a very insightful error message telling me it could not
chown...
SOLVED: Plesk 11.0.9 #34, stuck can't update further
This has been going on for a while but today I started trying to solve the problem for real.
This is a CentOS 6.3 system
When I run the update from within the Plesk GUI or from the command line the process stops with the following error...