Microsoft LightSwitch – Application failed to load, GetAuthenticationInfo query failed

While debugging of LightSwitch apps I get from time to time strange note about failed query that is in the plumbing of every LighSwitch app. App will hang with note in the middle of screen like this :

Only thing that you can do as developer is : Build > Clean Solution and re-run app. Or just re-run it, but then it may hang like this  :

 

Really strange behavior. Anyway clean works so happy debugging 🙂

 

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