Views Slideshow with numbered navigation disappears
Hi I don't normally post replies but I had a similar issue to you where my Carousel module with slide show stopped working in December 2013

Only when logged in as admin would I see the correct view

I was sure this has stopped about the time i updated some modules

After a bit of trial an error I noticed that the upgrade from 1.3 on 1.4 on Responsive Menus Module caused the issue

By using a 1.3 module the problem went away

Check which version you are using under 'Modules' and 'USER INTERFACE' section of administrator menu