Forumlar / Cotonti / Support / comments not showing properly

yes I tried with some fake comments, even my old comments are affected not just new ones since my upgrade

example: <img class="aux smiley" src="./images/smilies/smile.gif" alt=":)" />

Added 28 minutes later:

I just noticed it is not just comments, my forum pages are also like this. :( my site looks awful now