Minidump Bugcheck Analysis

I just had two crashes in the last 2 days. I found the minidump file and it says this ...

Code:

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Windows 8 Kernel Version 16299 MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS Personal
Machine Name:
Kernel base = 0xfffff803`3928b000 PsLoadedModuleList = 0xfffff803`395f2110
Debug session time: Tue Feb 20 23:45:54.733 2018 (UTC - 5:00)
System Uptime: 1 days 9:44:26.466
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*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
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DRIVER_POWER_STATE_FAILURE (9f)
A driver has failed to complete a power IRP within a specific time (usually 10 minutes).
Arguments:
Arg1: 0000000000000004, The power transition timed out waiting to synchronize with the Pnp
    subsystem.
Arg2: 000000000000012c, Timeout in seconds.
Arg3: ffffe504ed748040, The thread currently holding on to the Pnp lock.
Arg4: fffff8033b85d910, nt!TRIAGE_9F_PNP on Win7

Debugging Details:
------------------

Implicit thread is now ffffe504`ed748040
TRIAGER: Could not open triage file : e:\dump_analysis\program\triage\modclass.ini, error 2

DRVPOWERSTATE_SUBCODE:  4

FAULTING_THREAD:  ffffe504ed748040

CUSTOMER_CRASH_COUNT:  1

DEFAULT_BUCKET_ID:  WIN8_DRIVER_FAULT

BUGCHECK_STR:  0x9F

PROCESS_NAME:  System

CURRENT_IRQL:  2

BAD_PAGES_DETECTED: 1105e

LAST_CONTROL_TRANSFER:  from 0000000000000000 to fffff80339403d1a

STACK_TEXT:  
fffff803`3b85dc60 00000000`00000000 : fffff803`3b85e000 fffff803`3b858000 00000000`00000000 00000000`00000000 : nt!KiIdleLoop+0x5a


STACK_COMMAND:  .thread 0xffffe504ed748040 ; kb

SYMBOL_NAME:  PAGE_NOT_ZERO

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: Unknown_Module

IMAGE_NAME:  Unknown_Image

DEBUG_FLR_IMAGE_TIMESTAMP:  0

BUCKET_ID:  PAGE_NOT_ZERO

Followup: MachineOwner
---------

 *** Memory manager detected 69726 instance(s) of page corruption, target is likely to have memory corruption.

Any idea what is going on and what I can do to fix it?