JellyBepsi
Change your video settings without crashing the game (borderless windowed)
Go to %localappdata%\Plutonium\storage\t4\players and open the config file with the notepad to edit it. Make sure your game is closed before saving!
(plutonium.cfg is for singleplayer/zombies, plutonium_mp.cfg is for multiplayer)
Change these 4 values like this (you can use ctrl+f to search for it):
You can also change your resolution manually from there for example for 1920x1080 screens:
seta r_mode "1920x1080"