I have a similar problem with my editors on some of my accounts. it seems to be related to installations done on 123 reg, but the visual editor just shows html, which is fine for me, but I am building a site for a writer who needs a WYSIWYG editor.
I would like to try disabling auto-minify, but I have looked in all the tabs for my settings and cannot seem to find anywhere that has the option for it and I cannot find any information online. @dietsco, where did you find the option to disable it?