PC freezing without BSOD

I ran Furmark for 20 minutes with the settings from the thread you linked me.
Max temp for 71*C, min 49*C

I ran Linx 0.6.5 cpu stability test for 52 minutes (20 cycles).
You can see max temps on the screen bellow.
You might say its way to high, since MAX is 100.
But its actually not.
i7 4770K is really hot CPU. Besides these temps are from linx with AVX 2 instruction. I will never get these temps in any real game or application.
 

My Computer

Computer type
PC/Desktop
OS
Windows 7 Ult 64
CPU
i7 4770
Motherboard
Msi Z87-G43
Memory
Hynix DDR-3 12800 2x4GV
Graphics Card(s)
MSI 4G 970
Hard Drives
Plextor PX-128M5S
Seagate ST1000DM003
Antivirus
No
Browser
FireFox 37.01
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