Hello again. Its me again,heh. Too much troubles last time. Eh Today i checked my event viewer and found some weird errors from 21.01.2018 : A spam of: WHEA Event ID 19 CPU-corrected hw error And only one : WHEA Event ID 47 memory-corrected hw error Here are screen with one of them: This day i remember i finished installing Windows 10. And system was completely on idle overnight. Errors was only in 21 january. From 22 january till today no errors in event viewer,i checking now all days. And i dont know why this errors happened in this day? Computer is: 8700K stock, MTE on, 4700mhz auto clock Asus Z370 Pro Gaming 16GB DDR 3000MHZ ( XMP ON) Gtx 1080 Ti Aorus Corsair 750 Rmi SSD Crucial 525GB HDD TOSHIBA 500GB Windows 10 clean install 1709 Creator Fall Update All settings in UEFI are stock,defaulted . Only XMP profile is on. Temps of cpu fine,temps of gpu fine. Never had any single BSOD. Memtest86 no errors. All benchmarks passing, no crashing in games Only saw that error in event viewer which make think that is still with cpu or rams or mobo or psu?