I need to prompt the user to install .NET 3/3.5 on Win10 which can only happen via the \System32\OptionalFeatures.exe panel. I can't get SetupBuilder to launch that .exe, I get a 'File not found' error when debugging this... is it a disallowed thing to do this? I can do it by distributing the .NET resdist installer, and that runs, calling the OptionalFeatures panel. It's fine I guess, just want to know if I can call that .exe directly.