Disconnected from Word by Standalone download
Downloaded Standalone, per Zotero notification about Firefox, now I cannot use the citation plugin on Word. I click on it and nothing happens. I closed Firefox and tried. I reopened Firefox and tried. Nothing.
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https://www.zotero.org/support/word_processor_plugin_troubleshooting#zotero_toolbar_doesn_t_appear
Firefox isn't relevant here (but if you're not yet running Firefox 57 you can uninstall the Zotero Word Integration Plugin from the Extensions pane, or the Legacy pane if you have).