Alright I finally found the issue. After looking through my system configuration I found an AWHeadset Service for my audio. The manufacturer was Nahimic.

<t> Just bought the game a few days ago on steam, and I am loving it! Unfortunately, there is a nasty visual glitch that affects my unit info screen, and is a general nuisance. I've tried changing up the graphics, turning off overlays, disabling nahimic etc. but nothing is working. If this issue ...

alright thanks, so just to clarify it'd probably be fine using all game options on except for no borders for the default scenarios, but for older ones I should probably turn off all the game options labeled as new?

<t> So I've been a longtime lurker of these forums and have come across a lot of old scenarios (from Alternate Wars to Vietnam Combat Operations) and have only just started getting into the game by playing a few scenarios. So I am asking for guidelines on general game options I should choose for old ...