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Michael Crump is a Microsoft MVP, INETA Community Champion, and an author of several .NET Framework eBooks. He speaks at a variety of conferences and has written dozens of articles on .NET development. He currently works at Telerik with a focus on our XAML control suite. You can visit his blog at: MichaelCrump.Net or follow him on Twitter at: @mbcrump Michael is a DZone MVB and is not an employee of DZone and has posted 115 posts at DZone. You can read more from them at their website. View Full User Profile

Resolution: Unable to Activate Windows Store App. The activation Request Failed With Error E_Fail.

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I’ve recently been working on several HTML applications and sharing the code through DropBox through my various machines. (Yes, I have TFS – but this is sample code). One problem that I’ve experienced is that sharing the code on different machines will result in the following error when the app is launched.


Unable to Activate Windows Store App. The activation request failed with error ‘E_Fail’. See help for advice on troubleshooting the issue.

The Fix

The easiest way to get back to work is to select “Show All Files” then expand bin and bld and delete theDebug Folder in each. After that is complete the app will launch again. See the diagram below for more info. 

Note: The Debug folders will be recreated automatically.



Anyways, I hope this helps someone with a similar problem. I created this blog partially for myself, but it is always nice to help my fellow developer.

Thanks for reading.

Published at DZone with permission of Michael Crump, author and DZone MVB. (source)

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