One of the most common—and frustrating—error messages reads: This error appears the moment you click "Launch Game" in the SSE launcher window. Before you delete your game files in frustration, understand this: The problem is almost never the game itself, but rather a simple configuration error in your SmartSteamEmu.ini file.
Target = .\hollow_knight.exe StartIn = .\ If the executable is one level deeper (e.g., in a Bin folder): If they work there, they will work in SSE
Test your paths in Windows Run dialog before launching SSE. If they work there, they will work in SSE. Option A: Absolute Paths (Most Reliable) This method
[Launcher] Target = StartIn = You need to fill these out correctly. You have two options: (recommended) or Relative Paths . Option A: Absolute Paths (Most Reliable) This method works 100% of the time, regardless of where you move the launcher. If they work there
Look for the section labeled [Launcher] . It will contain two lines: