I am experiencing this problem myself first hand now:
Uncaught node.js Error
Error: The specified module could not be found.
C:\Users\admin\AppData\Local\Temp\nw7108_10511\greenworks-win64.node
at Error (native)
at Module.load (module.js:354:32)
at Function.Module._load (module.js:310:12)
at Module.require (module.js:362:17)
at require (module.js:378:17)
at Object.<anonymous> (C:\Users\admin\AppData\Local\Temp\nw7108_10511\greenworks.js:12:18)
at Module._compile (module.js:454:26)
at Object.Module._extensions..js (module.js:472:10)
at Module.load (module.js:354:32)
at Function.Module._load (module.js:310:12)
//Edit: This error only occurs when the .exe isn't named nw.exe