So I have a problem where my geck will crash when I get into making a quest or dialogue for a person, anything that could cause that?

Some people resolve that problem by plugging in a microphone.

http://www.gamesas.com/index.php?/topic/1108898-new-info-in-quest-window-crash/page__p__16253054__hl__microphone__fromsearch__1&#entry16253054