Missing Library in Endnote X1 - Word 2008

On my Mac I have installed the Endnote X1 patch as well as the Word 2008 upgrade (12.1.1).(Endnote opens when I start Word and the Endnote commands and toolbar appear within Word.)

When I go to ‘Find Citation’ there is no visible library. (The library I want to use is set as the default within Endnote X1.)

Any ideas?