It works fine when I test in C2 but running nw.js does absolutely nothing?
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Usually, the .exe takes a bit to launch.
Check the Taskmanager for the nw.exe.
Otherwise, did you install DirectX 9? If not, do so with the dxwebsetup.exe.
If all that doesn't work, you will need us to provide with your .capx to debug the issue.
It's okay, I just updated both Nw.js and C2 and it's fine!