Good day,
Not sure when this started happening as it was previously working but anytime I now try to download a file of any type from the media library, it shows it as a webpage instead. Any help appreciated. Thanks.
That looks like the mimetypes file on the web server on your server machine got broken somehow. Figure out where that file ought to be for the web server you’re running, and see if it looks like it ought to look. That’s a little vague, but it’s the best I can do there. 