While Norton Toolbar is shown as enabled in the add-ons mgr, it is not listed under View>Toolbars so I can have it "show" - what to do?

I notice that you are in permanent Private Browsing mode. *https://support.mozilla.org/kb/Private+Browsing *Options > Privacy > Firefox will: "Use custom settings for history" *Deselect: [ ] "Always use Private Browsing mode" You can check for problems caused by a corrupted localstore.rdf file. *http://kb.mozillazine.org/Corrupt_localstore.rdf You can also check for problems with preferences *http://kb.mozillazine.org/Preferences_not_saved