Its a custom pc, built in 2012, specs are:
Intel i3-3240
4GB of DDR3 RAM
Nvidia GTX 650 1GB
1TB 7200rpm Seagate HDD(Old HDD died a year ago)
Here is the latest blue screen on WhoCrashed, and link to the memory dump
https://drive.google.com/open?id=0BzLPmERrJWpvTU1sYzhGNUxuOHc
On Sun 2017-07-16 21:45:39 your computer crashed
crash dump file: C:\Windows\Minidump\071617-16562-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x16C4C0)
Bugcheck code: 0x154 (0xFFFF970537E8B000, 0xFFFFB0806108F6F0, 0x2, 0x0)
Error: CUSTOM_ERROR
file path: C:\Windows\system32\ntoskrnl.exe
product: MicrosoftR WindowsR Operating System
company: Microsoft Corporation
description: NT Kernel & System
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
On Sun 2017-07-16 21:45:39 your computer crashed
crash dump file: C:\Windows\memory.dmp
This was probably caused by the following module: acpi.sys (ACPI+0x9F638)
Bugcheck code: 0x154 (0xFFFF970537E8B000, 0xFFFFB0806108F6F0, 0x2, 0x0)
Error: CUSTOM_ERROR
file path: C:\Windows\system32\drivers\acpi.sys
product: MicrosoftR WindowsR Operating System
company: Microsoft Corporation
description: ACPI Driver for NT
The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.