Unable to activate windows store app the app didn't start

Question

First of all I would like to say that I already tried all the solutions I could find on the internet, including Unable to Activate Windows Store App

I recently upgra

Answer 1

I had the same problem on a UWP app when creating a package for Testing, but not when runing directly from Visual Studio 2017.

The solution was to select only the architecture that I am using to Debug the App, Instead of all options (x86, x64, ARM).

Here is the option choosed on Visual Studio