Zotero cannot load the converter and styles
Report ID: 1835371210. As soon as the software was opened, a dialog box popped up saying "Zotero cannot load the converter and styles". Even after trying to reset the converter and other methods, it didn't work. Changing the network didn't help either.
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(In your case, you should also restart in Troubleshooting Mode (Help → "Restart in Troubleshooting Mode…”), which temporarily disables all plugins. If that fixes it, you'll need to identify the plugin that's causing it and then report the problem to the plugin's developer.)