Reader will not launch on one Windows 10 machine

Uninstalled, cleaned, reinstalled, nothing, Procedure Explorer shows it launch and close.

Log Name: Application
Source: Application Error
Date: 10/30/2019 2:45:06 PM
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A
Computer: DancingMachine
Description:
Faulting application name: AcroRd32.exe, version: 15.6.30033.2205, time stamp: 0x5507e350
Faulting module name: USER32.dll, version: 10.0.18362.418, time stamp: 0xff42fdf6
Exception code: 0xc0000005
Fault offset: 0x0001c54d
Faulting process id: 0x1db8
Faulting application start time: 0x01d58f5a858c7e51
Faulting application path: C:\Program Files\Adobe\Acrobat Reader 2015\Reader\AcroRd32.exe
Faulting module path: C:\WINDOWS\System32\USER32.dll
Report Id: 19671c21-6980-4ce0-9365-ece57d232242
Faulting package full name:
Faulting package-relative application ID:
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Application Error" />
<EventID Qualifiers="0">1000</EventID>
<Level>2</Level>
<Task>100</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2019-10-30T19:45:06.268862400Z" />
<EventRecordID>5194</EventRecordID>
<Channel>Application</Channel>
<Computer>DancingMachine</Computer>
<Security />
</System>
<EventData>
<Data>AcroRd32.exe</Data>
<Data>15.6.30033.2205</Data>
<Data>5507e350</Data>
<Data>USER32.dll</Data>
<Data>10.0.18362.418</Data>
<Data>ff42fdf6</Data>
<Data>c0000005</Data>
<Data>0001c54d</Data>
<Data>1db8</Data>
<Data>01d58f5a858c7e51</Data>
<Data>C:\Program Files\Adobe\Acrobat Reader 2015\Reader\AcroRd32.exe</Data>
<Data>C:\WINDOWS\System32\USER32.dll</Data>
<Data>19671c21-6980-4ce0-9365-ece57d232242</Data>
<Data>
</Data>
<Data>
</Data>
</EventData>
</Event>

Log Name: Application
Source: Adobe Reader
Date: 10/30/2019 2:45:51 PM
Event ID: 16
Task Category: (16)
Level: Error
Keywords: Classic
User: N/A
Computer: DancingMachine
Description:
The description for Event ID 16 from source Adobe Reader cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.

If the event originated on another computer, the display information had to be saved with the event.

The following information was included with the event:

Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Adobe Reader" />
<EventID Qualifiers="49168">16</EventID>
<Level>2</Level>
<Task>16</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2019-10-30T19:45:51.020256700Z" />
<EventRecordID>5198</EventRecordID>
<Channel>Application</Channel>
<Computer>DancingMachine</Computer>
<Security />
</System>
<EventData>
</EventData>
</Event>