If you're positive that a hardware problem isn't causing the Code 43 error, you could try a repair install of Windows. If that doesn't work, try a clean install of Windows.

Valorant Error Code VAL 43 is related to a connection issue when trying to boot the game. If you’re experiencing this error code then chances are that while you ...

Graphics Device Driver Error Codes 22, 32, 37, or 43 can cause issues when you're trying to game, edit a video, or watch a movie. Here are the fixes!