PC Crash - GPU Timeout

All the crashes in all version 5.0+ the editor stays up (unlit) and I can work, it usually crashes about 30 secs after I turn to Lit or play in game.

I’ve tested with different 3 maps downloaded from 3 separate and different Marketplace vendors, the default maps don’t put it under any load.

A question I have is how does the Nvidia Control Panel work as under program settings it has 1 UE5 program listed but if I go to click add a new program there are 3 versions that can be added for UE5, the 5.0, 5.1.1 and 5.2 versions as I can see when I hover the mouse over the Icon to add. Therefore does Nvidia recognise all 3 or can it only have 1 as they all have the same name. I think 5.1.1 was first installed so I assume this is the program the control panel is using (I can’t see how you can see which). Could it be the Nvidia control panel works for 5.1.1 as its added but 5.0 and 5.2 are not recognised, see images which show the 5.1 and 5.2 versions which can be added but as they have the same name which does the control panel use?

I’ll try the diagnostic a bit later.