OK, it's not the DB maintenance, it just happened 90min ago; and I have the event viewer errors.  The 3rd error listed is under System Event log, looks like a display driver error.  
Log Name:      Application
Source:        Application Error
Date:          9/8/2020 7:40:02 AM
Event ID:      1000
Task Category: (100)
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      eyes
Description:
Faulting application name: 
BlueIris.exe, version: 5.3.2.5, time stamp: 0x5f5147a9
Faulting module name: ntdll.dll, version: 10.0.19041.423, time stamp: 0x06701e03
Exception code: 0xc0000005
Fault offset: 0x00000000000c4ed0
Faulting process id: 0x1094
Faulting application start time: 0x01d68522c5fa206c
Faulting application path: C:\Program Files\Blue Iris 5\BlueIris.exe
Faulting module path: C:\WINDOWS\SYSTEM32\ntdll.dll
Report Id: 9815e660-f3bf-40bc-9b72-3d877c5ce319
Faulting package full name: 
Faulting package-relative application ID: 
Event Xml:
<Event xmlns="
">
  <System>
    <Provider Name="Application Error" />
    <EventID Qualifiers="0">1000</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>100</Task>
    <Opcode>0</Opcode>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2020-09-08T11:40:02.9843304Z" />
    <EventRecordID>7787</EventRecordID>
    <Correlation />
    <Execution ProcessID="0" ThreadID="0" />
    <Channel>Application</Channel>
    <Computer>eyes</Computer>
    <Security />
  </System>
  <EventData>
    <Data>BlueIris.exe</Data>
    <Data>5.3.2.5</Data>
    <Data>5f5147a9</Data>
    <Data>ntdll.dll</Data>
    <Data>10.0.19041.423</Data>
    <Data>06701e03</Data>
    <Data>c0000005</Data>
    <Data>00000000000c4ed0</Data>
    <Data>1094</Data>
    <Data>01d68522c5fa206c</Data>
    <Data>C:\Program Files\Blue Iris 5\BlueIris.exe</Data>
    <Data>C:\WINDOWS\SYSTEM32\ntdll.dll</Data>
    <Data>9815e660-f3bf-40bc-9b72-3d877c5ce319</Data>
    <Data>
    </Data>
    <Data>
    </Data>
  </EventData>
</Event>
Log Name:      Application
Source:        Windows Error Reporting
Date:          9/8/2020 7:40:07 AM
Event ID:      1001
Task Category: None
Level:         Information
Keywords:      Classic
User:          N/A
Computer:      eyes
Description:
Fault bucket 2066175469085585890, type 4
Event Name: APPCRASH
Response: Not available
Cab Id: 0
Problem signature:
P1: BlueIris.exe
P2: 5.3.2.5
P3: 5f5147a9
P4: ntdll.dll
P5: 10.0.19041.423
P6: 06701e03
P7: c0000005
P8: 00000000000c4ed0
P9: 
P10: 
Attached files:
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WERD73E.tmp.dmp
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WERE335.tmp.WERInternalMetadata.xml
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WERE355.tmp.xml
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WERE353.tmp.csv
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WERE374.tmp.txt
These files may be available here:
\\?\C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_BlueIris.exe_5b5ef13be58afd444afa9d1e8cc8aef185df4f_55acb9d2_93c5a727-eacb-4e39-9097-d5ecbb5ee69a
Analysis symbol: 
Rechecking for solution: 0
Report Id: 9815e660-f3bf-40bc-9b72-3d877c5ce319
Report Status: 268435456
Hashed bucket: 79ff9c97f1ff71ea1cac87a45e78f1e2
Cab Guid: 0
Event Xml:
<Event xmlns="
">
  <System>
    <Provider Name="Windows Error Reporting" />
    <EventID Qualifiers="0">1001</EventID>
    <Version>0</Version>
    <Level>4</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2020-09-08T11:40:07.3648445Z" />
    <EventRecordID>7788</EventRecordID>
    <Correlation />
    <Execution ProcessID="0" ThreadID="0" />
    <Channel>Application</Channel>
    <Computer>eyes</Computer>
    <Security />
  </System>
  <EventData>
    <Data>2066175469085585890</Data>
    <Data>4</Data>
    <Data>APPCRASH</Data>
    <Data>Not available</Data>
    <Data>0</Data>
    <Data>BlueIris.exe</Data>
    <Data>5.3.2.5</Data>
    <Data>5f5147a9</Data>
    <Data>ntdll.dll</Data>
    <Data>10.0.19041.423</Data>
    <Data>06701e03</Data>
    <Data>c0000005</Data>
    <Data>00000000000c4ed0</Data>
    <Data>
    </Data>
    <Data>
    </Data>
    <Data>
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WERD73E.tmp.dmp
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WERE335.tmp.WERInternalMetadata.xml
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WERE355.tmp.xml
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WERE353.tmp.csv
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WERE374.tmp.txt</Data>
    <Data>\\?\C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_BlueIris.exe_5b5ef13be58afd444afa9d1e8cc8aef185df4f_55acb9d2_93c5a727-eacb-4e39-9097-d5ecbb5ee69a</Data>
    <Data>
    </Data>
    <Data>0</Data>
    <Data>9815e660-f3bf-40bc-9b72-3d877c5ce319</Data>
    <Data>268435456</Data>
    <Data>79ff9c97f1ff71ea1cac87a45e78f1e2</Data>
    <Data>0</Data>
  </EventData>
</Event>
SYSTEM Event Log
Log Name:      System
Source:        Display
Date:          9/8/2020 7:35:12 AM
Event ID:      4101
Task Category: None
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      eyes
Description:
Display driver igfx stopped responding and has successfully recovered.
Event Xml:
<Event xmlns="
">
  <System>
    <Provider Name="Display" />
    <EventID Qualifiers="0">4101</EventID>
    <Version>0</Version>
    <Level>3</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2020-09-08T11:35:12.9614441Z" />
    <EventRecordID>5112</EventRecordID>
    <Correlation />
    <Execution ProcessID="0" ThreadID="0" />
    <Channel>System</Channel>
    <Computer>eyes</Computer>
    <Security />
  </System>
  <EventData>
    <Data>igfx</Data>
    <Data>
    </Data>
  </EventData>
</Event>