Problem solved!!! :-)
Do you know "who" was the guilty? :-)
My UEFI Bios! In control panel/System my CPU had been recognized correctly as an i7-4790K but with a clock of 800 mhz!! At the beginning...

Wow! Thank you!

Thanks, but just tried without any result...

Yep! The problem is that the ISO image of the 10041 version didn't exist yet!
Just in case, waiting for Microsoft, it's possible to have one of it "not original" or handmade?

I’ve installed 9929 version by ISO image... In my pc it runs wonderfully and I’m really happy with it.
Yesterday I tried to update it by windows update service to the newer 100041 but I received...