What is the reason and/or fix for UE5 (5.03 & 5.1) freezing my whole pc?

[2023.09.15-04.53.17:789][698]LogFileHelpers: Loading map 'Train_TEMP2' took 18.519
[2023.09.15-04.53.20:146][702]LogSlate: Took 0.000400 seconds to synchronously load lazily loaded font '../../../Engine/Content/Slate/Fonts/Roboto-Regular.ttf' (155K)
[2023.09.15-04.53.25:665][706]LogD3D12RHI: Warning: GPU timeout: A payload (0x0000083549840E00) on the [0x00000835318BE280, 3D] queue has not completed after 5.000652 seconds.

Ayo we are back. VT didn’t fix the GPU timeout. But it did fix the 100% crash with the landscape tool.