[HELP]{Old Client} Font problem

Hi, I have a problem with a old client font.
Screenshots here:
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I tried to change the font from locale_game.txt:
UI_DEF_FONT
UI_DEF_FONT_LARGE
UI_DEF_FONT_SMALL
Arial(12/14/9
Verdana(12/14/9
Tahoma(14/16/10)
but remains the same ugly font, nothing changes.
How can I solve this problem?