ContactManager.RequestStoreAsync() throws System.UnauthorizedAccessException

Question

I am trying to use the ContactManager class in the Windows 10 Universal apps API. I am trying to do this on a Windows 10 Desktop machine.

I am receiving an exception

Answer 1

As of 2018, there is such capability listed on Capabilities tab when visually editing the Package.appxmanifest, at least in VS2017. Anyway, the

is the crucial thing required in manifest.