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The only software thing to try would be making sure your CPU's microcode and BIOS/firmware is up to date.
But that's definitely pointing to a hardware issue otherwise. Could be PSU if you have somewhat unclean power here you are, it takes just a tiny dip to cause the CPU to miscompute and report a machine check error.
my microcode and bios is up to date. Yesterday I had power outage while PC was on so PSU may have damaged?
Did it start doing it after that or has it done it before that? Also did you update anything since?
If you didn't update your computer, changed nothing and it definitely started after the power outage then yes, clues definitely points towards the PSU.
It's really a process of elimination: if you had it before the power outage then it can't be the power outage. If it started after but you also installed a bunch of updates, now you have two potential things to blame.
yes I'm 99% sure that it was after power outage. In any case i disabled PBO on my cpu and if it restarts again I will look for psu. Thanks for your support
Recently replaced my computer. For how long have you been using yours?
Its more than 5 years but i upgraded many parts