Falling over at the very first hurdle - Can't read Godot 4 text on start up

Godot Version

4.2.2

Question

Downloaded Godot 4 yesterday and on startup, the text/icons in Godot 4 window is unreadable, as follows:

I tried changing my screen resolution but that has not helped.

I also tried installing Godot V3.5.3 which looks fine, as follows:

Does anyone know how I can fix this?