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Description
Describe the problem this feature would solve
In order for the WindowsProvider to work, the app must be associated with the Microsoft Store. This is done through Visual Studio as described here (Ignore the fact that these are the MR docs. It works the same and I couldn't find any generic guidance for UWP.)
It's not always immediately obvious to a developer that they need to do this, which can lead to folks getting stuck, "Hey, why doesn't my app work?"
It's in the docs, but is easy to miss.
Describe the solution
See if we can throw an exception with a descriptive message telling the developer to go do the Store association.,
Describe alternatives you've considered
None
Additional context & Screenshots
We currently don't do anything special if the Store association is missing. Auth will just fail without obvious cause.