vb.org Archive - board issues please help

ok im having a serious issue with my board. on some threads and posts i have posts coming up like this

here ya go, i changed the font lemme kno if its cool<
 
lol this dam thing would work....here ya go

i dont know why or whats happening. one of the other admins is having this same issue. his tutorials are coming out very bad with nothing but code. it was happening on 3.5.3 so i upgraded thinking it would fix it. but didnt i now have 3.5.4 and its still happening. can anyone help?

X vBulletin 3.8.12 by vBS Debug Information
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X vBulletin 3.8.12 by vBS Debug Information

Page Generation 0.01428 seconds
Memory Usage 1,696KB
Queries Executed 10 (?)

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Hooks Called:

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X vBulletin 3.8.12 by vBS Debug Information
Page Generation 0.01428 seconds Memory Usage 1,696KB Queries Executed 10 (?)
More Information
Template Usage: (1)ad_footer_end (1)ad_footer_start (1)ad_header_end (1)ad_header_logo (1)ad_navbar_below (1)footer (1)gobutton (1)header (1)headinclude (6)option (1)post_thanks_navbar_search (1)printthread (1)printthreadbit (1)spacer_close (1)spacer_open Phrase Groups Available: global postbit showthread	Included Files: ./printthread.php ./global.php ./includes/init.php ./includes/class_core.php ./includes/config.php ./includes/functions.php ./includes/class_hook.php ./includes/modsystem_functions.php ./includes/class_bbcode_alt.php ./includes/class_bbcode.php ./includes/functions_bigthree.php Hooks Called: init_startup init_startup_session_setup_start init_startup_session_setup_complete cache_permissions fetch_threadinfo_query fetch_threadinfo fetch_foruminfo style_fetch cache_templates global_start parse_templates global_setup_complete printthread_start bbcode_fetch_tags bbcode_create bbcode_parse_start bbcode_parse_complete_precache bbcode_parse_complete printthread_post printthread_complete
Messages: