We've had to reinstall the entire database, and that seems to have caused some issues. I suspect it'll settle down over time.
Crikey, Hollins! They were unsettling messages, at the very least. But I can reassure everyone that the site is still secure, as evidenced by the leading "https" in the URL. Or as secure as "https" can be. The other issue is that some folk will have had updates to their browsers. I tend to use mainly Firefox, and initially that had some issues. It should all improve with time.