Why is a STOP error server 2012r2?

Iron old, the configuration of the computer is not a server but a regular user.
Constantly restarts with a blue screen.
On the server is lifted AD, dhcp, dns, rd.
The event log says the following:
5a9a67140c307676992734.png
Log name: System
Source: User32
Date: 03.03.2018 11:16:53
Event ID: 1076
Task category:None
Level: Warning
Keywords:Classic
User: domain\Administrator
Computer: computer.name
Description:
The reason for an unexpected shutdown of this computer is specified by user domain\Administrator: system Failure: STOP error
 Reason code: 0x805000f
 ID the problem: 
 Validation string: 
 Review: 

Xml events:
<event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<system>
 <provider name="User32" guid="{b0aa8734-56f7-41cc-b2f4-de228e98b946}" eventsourcename="User32">
 <eventid qualifiers="32768">1076</eventid>
<version>0</version>
<level>3</level>
<task>0</task>
<opcode>0</opcode>
<keywords>0x8080000000000000</keywords>
 <timecreated systemtime="2018-03-03T07:16:53.894780800 Z">
<eventrecordid>4553</eventrecordid>
<correlation>
 <execution processid="472" threadid="536">
<channel>System</channel>
<computer>computer.name</computer>
 <security userid="S-1-5-21-1747250191-2192129948-3469687182-500">
</security></execution></correlation></timecreated></provider></system>
<eventdata>
 <data name="param1">system Failure: STOP error</data>
 <data name="param2">0x805000f</data>
 <data name="param3">
</data>
 <data name="param4">
</data>
 <data name="param5">
</data>
 <data name="param6">domain\Administrator</data>
</eventdata>
</event>


Checked the RAM in normal mode, the standard windows utilities error not found.
Where to dig?
June 7th 19 at 14:34
2 answers
June 7th 19 at 14:36
Solution
Error decided a full system update!
full system upgrade

what is it like? 2012 to 2016 ? - floy21 commented on June 7th 19 at 14:39
June 7th 19 at 14:38
Google mentioned update firmware (bios) and drivers. If memtest errors not showing - you can try. Well, viruses have to check.
The second (bad) option of the old desktop hardware tired of living in this white light. They were rot bridge, burned processor, etc., etc.

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