In fitrst post y aYou said:
Suddenly will shut off, not a blue screen, just shuts off. I think this is a Blue Screen Viwer log of a crash.
It is not a blue screen. Stop lookingat blue screen reports. You have a sidden hardware failure. MNo warning, instant ctrash. and nno log report.
You tested the memory. So it was not the memory.
A bad power supply faiilure is likely. Aftrer that it could be almost anything.