I was able to see that you have a DZ87KLT Intel Motherboard, so please check if you are running the latest BIOS version available and also please let me know if the previous operating system (before updating to W8.1) was Windows 8 or Windows 7?
I'm using latest bios on my motherboard, 0446 version.
My previous OS was Windows 8.
The scenario changed, I restore the previous rst driver 12.8 version and then happend again.
It's my configuration:
I have all crash dump, if you need I can post here.