You'll want to check the "General" tab of the theme options and change the "RAW HTML mode" setting.
Ok, have set from YES to NO and saved.
I didnt do the upgrade and one thing I noticed after my previous post is that my 3 pages I made don't show when previewing. I get the message of Not Found
The requested URL /advanced-small-animal-medicine-courses was not found on this server.
Any ideas? I'll create a new page now I've changed that RAW HTML slider.