The obauvZnref service failed to start due to the following error:
The system cannot find the file specified.
- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
  <Provider Name="Service Control Manager" Guid="{555908d1-a6d7-4695-8e1e-26931d2012f4}" EventSourceName="Service Control Manager" />
  <EventID Qualifiers="49152">7000</EventID>
  <Version>0</Version>
  <Level>2</Level>
  <Task>0</Task>
  <Opcode>0</Opcode>
  <Keywords>0x8080000000000000</Keywords>
  <TimeCreated SystemTime="2018-05-03T10:48:25.025359500Z" />
  <EventRecordID>19153</EventRecordID>
  <Correlation />
  <Execution ProcessID="676" ThreadID="3348" />
  <Channel>System</Channel>
  <Computer>DESKTOP-764G0KH</Computer>
  <Security />
  </System>
- <EventData>
  <Data Name="param1">obauvZnref</Data>
  <Data Name="param2">%%2</Data>
  <Binary>6F0062006100750076005A006E00720065006600</Binary>
  </EventData>
  </Event>

File System Filter 'obauvZnref' (Version 10.0, ‎2016-‎08‎-‎02T05:32:42.000000000Z) failed to register with Filter Manager.  The final status for this operation was 0xC0000034.
- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
  <Provider Name="Microsoft-Windows-FilterManager" Guid="{F3C5E28E-63F6-49C7-A204-E48A1BC4B09D}" />
  <EventID>5</EventID>
  <Version>0</Version>
  <Level>3</Level>
  <Task>0</Task>
  <Opcode>0</Opcode>
  <Keywords>0x8000000000000000</Keywords>
  <TimeCreated SystemTime="2018-05-03T10:48:25.025222600Z" />
  <EventRecordID>19152</EventRecordID>
  <Correlation />
  <Execution ProcessID="4" ThreadID="5492" />
  <Channel>System</Channel>
  <Computer>DESKTOP-764G0KH</Computer>
  <Security UserID="S-1-5-18" />
  </System>
- <EventData>
  <Data Name="FinalStatus">0xc0000034</Data>
  <Data Name="DeviceVersionMajor">10</Data>
  <Data Name="DeviceVersionMinor">0</Data>
  <Data Name="DeviceNameLength">7</Data>
  <Data Name="DeviceName">obauvZnref</Data>
  <Data Name="DeviceTime">‎2016-‎08‎-‎02T05:32:42.000000000Z</Data>
  </EventData>
  </Event>

  A service was installed in the system.
- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
  <Provider Name="Service Control Manager" Guid="{555908d1-a6d7-4695-8e1e-26931d2012f4}" EventSourceName="Service Control Manager" />
  <EventID Qualifiers="16384">7045</EventID>
  <Version>0</Version>
  <Level>4</Level>
  <Task>0</Task>
  <Opcode>0</Opcode>
  <Keywords>0x8080000000000000</Keywords>
  <TimeCreated SystemTime="2018-05-03T10:40:09.711999200Z" />
  <EventRecordID>19150</EventRecordID>
  <Correlation />
  <Execution ProcessID="676" ThreadID="3348" />
  <Channel>System</Channel>
  <Computer>DESKTOP-764G0KH</Computer>
  <Security UserID="S-1-5-21-961199764-9365263-3570923729-1001" />
  </System>
- <EventData>
  <Data Name="ServiceName">obauvZnref</Data>
  <Data Name="ImagePath">C:\Users\windows\Desktop\obauvZnref.sys</Data>
  <Data Name="ServiceType">kernel mode driver</Data>
  <Data Name="StartType">demand start</Data>
  <Data Name="AccountName" />
  </EventData>
  </Event>