I know I'm not hitting ctrl+shift+1, in the game I've tested more than once that and just hitting control plus the tilde key causes the game to crash. Even trying to enter ctrl+~ onto a hotbar keybind in the game causes the game to crash and I can't find any keybinds in windows that has this assignment and it only happens in FFXIV. And I've also found that this only happens in FFXIV after I've hit "Start" on the screen before you load into the character selection screen, so I'm not seeing how it's an issue with anything other than this game.