Colif :
do you have who crashed installed?
how about we try safe mode
on the 1st login screen, where you click a kewy to bring up login box, click the power icon
before pressing anything else, hold shift key & click restart
this loads advanced start up
choose troubleshoot
choose advanced
choose start up options
hit the restart button
choose a safe mode (it doesn't matter which) by using number associated with it.
PC will restart and load safe mode
run who crashed & click file/export and save a html image of the report to your hdd or a USB device to upload here and share with us.
also, do this to fix the GPU drivers:
http://www.tomshardware.com/faq/id-2767677/clean-graphics-driver-install-windows.html
Memtest86 creates a bootable USB, create it on another PC and boot into it on your PC and check sticks, 1 stick at a time
So I ran memtest and it didn't see any issues with my sticks. Also, finally managed to get Safe Mode working long enough to get a Who Crashed report off my computer (was even crashing in Safe Mode, though had networking also on).
Here it is (don't know how to import a web page here so just copied the text over):
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System Information (local)
Computer name: MATT_TOWER
Windows version: Windows 10 , 10.0, build: 14393
Windows dir: C:\WINDOWS
Hardware: ASRock, Z87 Extreme4
CPU: GenuineIntel Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz Intel586, level: 6
8 logical processors, active mask: 255
RAM: 17106829312 bytes total
Crash Dump Analysis
Crash dump directory: C:\WINDOWS\Minidump
Crash dumps are enabled on your computer.
On Fri 4/7/2017 5:30:05 AM your computer crashed
crash dump file: C:\WINDOWS\Minidump\040717-55812-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x14E7C0)
Bugcheck code: 0x1A (0x41201, 0xFFFF813FFFA87B10, 0x21, 0xFFFFA68776367010)
Error: MEMORY_MANAGEMENT
file path: C:\WINDOWS\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a severe memory management error occurred.
This might be a case of memory corruption. More often memory corruption happens because of software errors in buggy drivers, not because of faulty RAM modules. This problem might also be caused because of overheating (thermal issue).
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
On Fri 4/7/2017 5:30:05 AM your computer crashed
crash dump file: C:\WINDOWS\memory.dmp
This was probably caused by the following module: ntkrnlmp.exe (nt!KeBugCheckEx+0x0)
Bugcheck code: 0x1A (0x41201, 0xFFFF813FFFA87B10, 0x21, 0xFFFFA68776367010)
Error: MEMORY_MANAGEMENT
Bug check description: This indicates that a severe memory management error occurred.
This might be a case of memory corruption. More often memory corruption happens because of software errors in buggy drivers, not because of faulty RAM modules. This problem might also be caused because of overheating (thermal issue).
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
On Fri 4/7/2017 4:17:59 AM your computer crashed
crash dump file: C:\WINDOWS\Minidump\040717-58953-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x14E7C0)
Bugcheck code: 0x1A (0x41284, 0x9D72000, 0x0, 0xFFFF9E8010804310)
Error: MEMORY_MANAGEMENT
file path: C:\WINDOWS\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a severe memory management error occurred.
This might be a case of memory corruption. More often memory corruption happens because of software errors in buggy drivers, not because of faulty RAM modules. This problem might also be caused because of overheating (thermal issue).
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
On Fri 4/7/2017 3:58:45 AM your computer crashed
crash dump file: C:\WINDOWS\Minidump\040717-58906-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x14E7C0)
Bugcheck code: 0x1A (0x41793, 0xFFFF953FFFEFCD90, 0x28, 0x27)
Error: MEMORY_MANAGEMENT
file path: C:\WINDOWS\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a severe memory management error occurred.
This might be a case of memory corruption. More often memory corruption happens because of software errors in buggy drivers, not because of faulty RAM modules. This problem might also be caused because of overheating (thermal issue).
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
On Fri 4/7/2017 2:27:50 AM your computer crashed
crash dump file: C:\WINDOWS\Minidump\040717-59109-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x14E7C0)
Bugcheck code: 0x1A (0x5003, 0xFFFFC68010804310, 0x12F3, 0x12F500025E7)
Error: MEMORY_MANAGEMENT
file path: C:\WINDOWS\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a severe memory management error occurred.
This might be a case of memory corruption. More often memory corruption happens because of software errors in buggy drivers, not because of faulty RAM modules. This problem might also be caused because of overheating (thermal issue).
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
Conclusion
30 crash dumps have been found and analyzed. Only 5 are included in this report. No offending third party drivers have been found. Connsider using WhoCrashed Professional which offers more detailed analysis using symbol resolution. Also configuring your system to produce a full memory dump may help you.
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I'd like to add that a lot of previous BSOD crashes had different error messages (like the ones described in the OP).