Help~ Kernel_Security_Check_Failure Windows 10 64bit

as in the title, i just got this blue screen for two days straight, and the things im doing just before bsod occured :

1. use handbrake (video encoding app)
2. use mkvtoolnix (to merge subtitle into my vid)

and the bsod is random, sometime before i start encode, or after i closed the app

the only thing attached to my laptop are external hdd and mouse


any help? much appreciated

salam dari Indonesia

Please remove / disable items from the startup in taskmanager
These programs could interfere with the boot process giving you trouble and increase the boot time.

If you are using a program like Ccleaner please stop using it while troubleshooting.
This because programs like Ccleaner remove dump files that are needed to troubleshoot.
Or configure Ccleaner to not remove dump files:


It is suggested to update/reinstall the IRST drivers and the Nvidia drivers.
Do you use both your Nvidia and Intel graphics display?
MSI Global | Notebook - The best gaming notebook provider

Code:

ffffd000`25fe9088  fffff801`26848301Unable to load image \SystemRoot\system32\DRIVERS\nvlddmkm.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for nvlddmkm.sys
*** ERROR: Module load completed but symbols could not be loaded for nvlddmkm.sys
 nvlddmkm+0x1a8301


6: kd> lmvm nvlddmkm
Browse full module list
start             end                 module name
fffff801`266a0000 fffff801`272bb000   nvlddmkm T (no symbols)           
    Loaded symbol image file: nvlddmkm.sys
    Image path: \SystemRoot\system32\DRIVERS\nvlddmkm.sys
    Image name: nvlddmkm.sys
    Browse all global symbols  functions  data
    Timestamp:        Wed Dec 16 15:03:30 2015 (56716F32)
    CheckSum:         00BE13AE
    ImageSize:        00C1B000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4

ffffd000`23a88550  fffff800`08fa4a70Unable to load image \SystemRoot\System32\drivers\iaStorA.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for iaStorA.sys
*** ERROR: Module load completed but symbols could not be loaded for iaStorA.sys
 iaStorA+0x154a70


3: kd> lmvm iastora
Browse full module list
start             end                 module name
fffff800`08e50000 fffff800`093c2000   iaStorA  T (no symbols)           
    Loaded symbol image file: iaStorA.sys
    Image path: \SystemRoot\System32\drivers\iaStorA.sys
    Image name: iaStorA.sys
    Browse all global symbols  functions  data
    Timestamp:        Wed Jun 03 11:38:57 2015 (556ECB31)
    CheckSum:         00165AED
    ImageSize:        00572000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4