Mine are working fine on my PC.
There is a Miscellaneous Option below the reply box that has "disable smilies" as an option. Yours isn't checked is it? (Sorry if this sounds like a dumb question, I don't mean it that way.)
Sue
I think it's the browser. If I open IE it doesn't do anything at all, but with chrome, at least it puts the code, which is better than typing the code