Hello, I am suffering BSOD constants, when executing Forza Horizon 4 the following BSOD is presented: PAGE_FAULT_IN_NONPAGED_AREA.
My PC: i7 7700, ASUS B150, RAM 16GB DDR4, SSD 500GB, GTX 1070 Ti.
Windows 10 Pro 1803 updated, Drivers updated + Driver Nvidia 411.70.
u r not alobe BRU 
everyone have this BSOD issue , i got ‘’ DRIVER_IRQL_NOT_LESS_OR_EQUAL’’ blue screen.hope there will be an patch .its sad that i have ult edition but i cant play bcz of this issue .so let see what the future patch bring to us
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I even had to format the PC, it remains the same with today’s patch, a pity that these problems occur, The game goes phenomenal in Ultra Quality + 60FPS without drops, but within 30-60 minutes it freezes with the BSOD: PAGE_FAULT_IN_NONPAGED_AREA
From my experience, 99% of BSOD comes from drivers, not programs or hardware. But it is the program that is trying to get the driver to do or use something it can’t, so you naturally think it’s a program issue.
I’ve run into this with other games and every time it was GPU drivers, updated them and it was fixed. Not sure why, but give it a go. Delete the old ones and put in the most up to date.
Take the above at face value, I am not a hardware or software developer I just mess with stuff and this is what has worked for me.
I’m playing other games, like: Shadow of the Tomb Raider, Dark Souls 3, Injustice 2, Final Fantasy XV Windows Edition etc. In none of them I get BSOD, I even had to format the PC and the same thing happens, in a random way the BSOD appears: PAGE_FAULT_IN_NONPAGED_AREA.
The Forza Horizon 4 is the cause of the BSOD.
Even though it started happening with FH4, that specific error message from the blue screen, usually related to a fault with regards to faulty hardware. More often that not, relating to ram
"Bug check 0x50 can occur after the installation of faulty hardware or in the event of failure of installed hardware (usually related to defective RAM, be it main memory, L2 RAM cache, or video RAM).
Another possible cause is the installation of a faulty system service or faulty driver code."
In your case it is a core windows OS item that is apperently the cause of your blue screen, which is ‘ntoskrnl.exe’
There are ways to fix it, but I would highly suggest downloading the most recent ISO from Microsoft for Windows 10; just to have it on hand ready. Just in case the install media you are using, is somehow corrupted. But try the fixes in this link first.
https://errorcodespro.com/fix-the-dreaded-ntoskrnl-exe-bsod-blue-screen-error/
If the fixes do not work, reinstall windows again; but using the new ISO you downloaded. Which you will need to put on a USB thumb drive with around 6gb of space available on it. Make sure to set it up as a bootable device. And make sure your re-installation of windows is 100% clean, i.e formatting the drive before you install windows on it. Repairing the current windows install, could likely leave your issue intact.
p.s Windows ISO can be annoying to download from the Microsoft windows website. I suggest using Google Chrome with the ‘User-Agent Switcher for Chrome’ extension installed and set to something like ‘Safari’. This makes accessing the ISO downloads on the Microsoft windows site very easy. I never understood why they make it so difficult to download it personally.
And make sure to use the official download page - https://www.microsoft.com/en-gb/software-download/Windows10