Found a fix that has worked for me.
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Follow the link in his explanation for the download. The issue, is the Subtitle Overlay. I've installed the HF mod that comes with this download multiple times eliminating one feature at a time and discovered the Subtitle Overlay is what was causing the issue. I'm looking for a fix for that now.
EDIT: So with the above fix it makes it full screen, run smooth, but removes subtitles. So i've been messing around for a couple hours to see what I can do to get it to work. I copied the SysWOW64 d3d9.dll in a backup folder. I then dropped the .DLL from the above link in the SysWOW64 folder. I reinstalled the HF patch but only installing the translations. I started the game, it opens with subs, runs smoothly... BUT is not full screen. It only opens up in the top left corner. Maybe someone could help me out from here.