Alright.. progress is progress, even if it's still not working
1) Check the JFBConnect Overview page in the admin area. In the Required Extensions area, make sure everything is reporting the newest version, has a green check next to everything (except the component, that doesn't get a check mark), and that there's no warnings reported underneath. My guess is that the JFBConnect User plugin has issues and needs to be ordered after the Joomla plugin. Please check that, and read the below for more information if that's the case:
www.sourcecoast.com/extensions/jfbconnec...ration-guide?start=2
2) Logging out.. check your settings in the "Login/Logout Redirections" and make sure you don't have "Auto Login Facebook Users" and "Log Out Of Joomla Only" both enabled. There's a note there that explains why. Additionally, if you're not using the JFBCLogin's logout button, you shouldn't enable "Auto Login Facebook Users" because other logout buttons don't log the user out of Facebook regardless.. so, in short, to test, you may just want to disable the "Auto Login" feature.
Let us know if this helps.