I am also seeing this behavior with the “Success! One moment while we log you in…” message and nothing happening after now too. I checked my settings and do not see any redirect URLs set. Were you able to resolve this issue?
http://www.advantage360.com/, but it’s not happening right now as I went back to the old version. If you are available to help support, I can upgrade and see what happens. We will need to work out a day/time so if it has issues, I can go back to the old version fairly quickly.