I have a strange problem with my SMF install (I converted from IPB, then upgraded from 1.0.8 to RC3).
If I change the design in admin (and reset all users to the design) - it doesn't change design. I can logout and login, and I see that the design says 'Babylon' - yet what is showing on my site is the standard design that came with SMF 1.0.8.
Does anyone know what the problem might be?
Try re-uploading all the files, then go themes and settings area; but when you change it on the first page, put the second option as forum default :D
Anything in the error log?