W10 all ver freezes using rendering 3d program(CPU overload issue)

Hi guys this is my last attempt to solve my issue on the web and my first post here,so thank in adavance for your attention and for your precious HELP.i just questioned before the same problem but without a solution and response.
my specs:
1) cpu amd phenom II 1090T 6 cores
2) GPU nvidia gt740 cuda
3) SSD kingston v300
4) 8gb ram kingston hyper ddr3 1600
5) motherboard asus M4N68T-M LE V2

the problem is only usind all versione of w10 no problem during W7-8,1 experince so the problem i guess is related only on W10 i don't know what precisely

what's my issue?

using my windows 10 normally surfing the web or word or photoshop no issue or freeeze.

but whan i use rhinoceros and a rendedring engine, vray thea render keyshot brazil,my pc freezes for some seconds, and i can't do anithing...only wait until freeze finished(4-10 sec.)
i try to solve using the previous gpu, an HHDmthe previous ram(4bg) but without succes.

all my components are ok. the problem is definely W10

i changed the energy option as suggest on the web without success.

what do you think about? any suggestions?

Ops Sorry guys i wrote surely in the wrong place. Can you move my post in the right section?

nobody?
any suggestion?