Win 8.1 installation fails with winload.exe

Hi,

I'm trying to do a fresh Win 8.1 32 bit installation on a completely fresh new hardware.

I've downloaded Win 8.1 32 bit ISO from Microsoft, and convert the ISO to a bootable USB, using Rufus.

When the computer boots, installation starts, and stops after several seconds with a BSOD, with the title "Recovery". The OS couldn't be loaded because code integrity failed to initialize.

File \windows\system32\boot\winload.exe

Please remember that this is a fresh new harddrive, that never had anything on it before.

Any remedy would be greatly appreciated.