Same here, I've tried on two different PCs (one Win11, one Win10) and I'm getting the same behavior on both... black window pops up for a second and then closes.
Not sure if these are helpful but
Win11 PC:
Faulting application name: MeshGenerator.exe, version: 0.0.0.0, time stamp: 0x65acf255
Faulting module name: MeshGenerator.exe, version: 0.0.0.0, time stamp: 0x65acf255
Exception code: 0xc0000409
Fault offset: 0x00000000001f3e2d
Faulting process id: 0x0x80C
Faulting application start time: 0x0x1DA4D0B5F872027
Faulting application path: C:\Users\xxx\AppData\Local\VeryVanilla\MacroQuest\Release\MeshGenerator.exe
Faulting module path: C:\Users\xxx\AppData\Local\VeryVanilla\MacroQuest\Release\MeshGenerator.exe
Report Id: 071b2a25-1a37-4662-ba99-dda620f6109a
Win10 PC:
Faulting application name: MeshGenerator.exe, version: 0.0.0.0, time stamp: 0x65acf255
Faulting module name: MeshGenerator.exe, version: 0.0.0.0, time stamp: 0x65acf255
Exception code: 0xc0000409
Fault offset: 0x00000000001f3e2d
Faulting process id: 0x2524
Faulting application start time: 0x01da4d0abc4781ef
Faulting application path: C:\Users\yyy\AppData\Local\VeryVanilla\MacroQuest\Release\MeshGenerator.exe
Faulting module path: C:\Users\yyy\AppData\Local\VeryVanilla\MacroQuest\Release\MeshGenerator.exe
Report Id: 4f1a3083-bfcc-4f92-b53b-b9a6bb0cb0a1