Well I never changed the settings but here's what my screen looks like.
https://imgur.com/a/GrWED06
Could it be related to the "adding registry files" issue I mentioned earlier? I can't think of a reason why it can't access my system fonts or why japanese is just a ? in there.
EDIT: Okay so switching from high to low quality mode possibly fixes the lag issue
EDIT 2: Confirmed it's high quality mode that is causing the unresponsiveness. No change with multithredding, fullscreen vs windowed, fps locking, or other settings. However, my config still has the text as it does it the provided screenshot