Having the same problem here.
OS version: Windows 10 Enterprise (Version 1703 OS Build 15063.1746)
Tried both the installer and portable version. Windows event log gives me these two events:
<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="2019-05-10T13:37:28.920763700Z" /> <EventRecordID>139117</EventRecordID> <Channel>Application</Channel> <Computer>MyComputerName</Computer> <Security /> </System> <EventData> <Data>Lunacy.exe</Data> <Data>3.15.3.0</Data> <Data>5c7fbd00</Data> <Data>KERNELBASE.dll</Data> <Data>10.0.15063.1689</Data> <Data>ef0adae5</Data> <Data>e0434352</Data> <Data>0000000000065ac8</Data> <Data>4aa0</Data> <Data>01d5073582cda3cf</Data> <Data>C:\Tools\Lunacy_Portable\x64\Lunacy.exe</Data> <Data>C:\WINDOWS\System32\KERNELBASE.dll</Data> <Data>4f3e0e17-10ff-44ed-88ca-88bce6903bd2</Data> <Data /> <Data /> </EventData> </Event>
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name=".NET Runtime" />
<EventID Qualifiers="0">1026</EventID>
<Level>2</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2019-05-10T13:37:28.790796900Z" />
<EventRecordID>139116</EventRecordID>
<Channel>Application</Channel>
<Computer>MyComputerName</Computer>
<Security />
</System>
<EventData>
<Data>Application: Lunacy.exe Framework Version: v4.0.30319 Description: The process was terminated due to an unhandled exception. Exception Info: System.TypeLoadException at Lunacy.App..cctor() Exception Info: System.TypeInitializationException at Lunacy.App.Main()</Data>
</EventData>
</Event>