Try close all game windows, delete file "chatfilter.ini" in system folder, launch just 1 game window without this file, make your new settings and close game by "exit game"
This settings must be saved.
U can even open "chatfilter.ini" from notebook and change any filters ( true\false )
Sets of buffs not should be saved when changing subclass, this can cause bugs.
Heal block? this is really not fair in relation to all other classes. not for titan class.
Healing of titan this is strategy, titan is very strong anyway.