I install AIDA 64 in Windows 8.1 64.
Asus Sabertooth X79
Samsung 840 Pro 512
Samsung 840 Pro 256
EVGA TITAN WATERCOOLED
SOUND BLASTER ZXR
Installed AIDA 64 400 no problems, but when I upgrade to 420 it starts to load and crashes my system I have manually reboot my system.