I have a C# WinForms project in MS Visual Studio 2017. I have added a Visual Studio Installer Setup Wizard Project to create an installer for my application. Th
A few years late, but I did find an answer that worked for me on VS2017.
Registry key "HKLM\SOFTWARE\Wow6432Node\Microsoft\GenericBootstrapper" contains a "Path" key that shows the path to the bootstrapper files. For me, it was the following:
C:\Program Files (x86)\Microsoft SDKs\ClickOnce Bootstrapper\
I checked that path, and there was indeed a "Packages\DotNetFX461" directory there, but it didn't contain the NDP461...ENU.exe file. I just copied the file there and everything worked.