Windows Store app projects stopped generating the .appxupload file after installing VS 2015 Update 1

Problem A few people have noticed that their Windows Store app projects stopped generating the .appxupload file after upgrading to VisualStudio 2015 Update 1.   CauseThe project is not associated with the Store app.The StoreAssociation file path is missing from the respective project .csproj file. Either one of these causes listed above can stop the…


VPN Network connections from Store apps running on Connected Standby devices are very slow

The title says it all: when you make a network connection from your Windows Store app to a resource residing in your Virtual Private Network (VPN) using a device which supports Connected Standby (also known as Always On/Always Connected [AOAC]), the connection may be very slow.  A network trace of a Windows Store app connecting to…

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Windows Phone 8.1 Battery Saver, Background Agents, and Background Tasks

I worked a support case recently where the customer had a Windows Phone Silverlight 8.0 background agent running on Windows Phone 8.1.  My customer noticed that the background agents would not run when battery saver was enabled. In order to explain why this was happening, I first need to tell you some of the history…

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Windows Phone Camera Preview Deadlock when leaving page.

  I recently investigated a Windows Phone problem, reported by one of our forum contributors, in which an application encounters a dead-lock scenario when navigating away from a page which is rendering a preview stream from the camera.  I found that the deadlock condition was triggered when the VideoBrush object was disposed on the UI…

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Cheat-Sheet for using Brokered Windows Runtime Components for side-loaded Windows Store apps

Starting with the Windows 8.1 Update that was announced at //Build 2014, the functionality of performing “Inter Process Communication” – which is commonly referenced to as “IPC” between a side-loaded Windows Store app and a Desktop process has been enabled to leverage existing “desktop” code. Please note that this IPC functionality has only been introduced…