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I am following along a book that asks me to create a "Blank App" project in Visual Studio.

I choose the "Blank App" template in the following path, when creating new project: Installed -> Visual C# -> Windows -> Universal

I have the community edition.

Double click on the MainPage.xaml file in solution explorer

I get the following error:

Deployment of package e109a48f-03e8-4942-9834-3d62008a21f8_1.0.0.0_x86_NorthAmerica_8wekyb3d8bbwe with package origin Unsigned failed because no valid license or sideloading policy could be applied. A developer license (http://go.microsoft.com/fwlink/?LinkId=233074) or enterprise sideloading configuration (http://go.microsoft.com/fwlink/?LinkId=231020) may be required.

How do I get this to work? I found that community edition is limited, but this particular thing that I am trying to do is not listed as a documented limitation. Here is the article I found on it: http://artica-proxy.com/difference-between-the-community-edition-and-the-entreprise-edition/

Luv
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3 Answers3

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From your start menu open "Settings" and go to "Update & Security" -> "For Developers" and check "Developer Mode".

Stefan Wick MSFT
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  • so are you saying that once i do this, then I apply updates to visual studio, it will add the missing component it needs to open the project (in this case, it is Universal Windows Platform) – Luv Oct 28 '17 at 23:53
  • good tip, thanks. but the answer that helped me is posted on bottom. – Luv Oct 29 '17 at 01:12
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Go to Add\Remove programs Go to Visual Studio.net Select Modify Visual Studio Installation will pop up with Repair and Modify Options. Select Modify.

Luv
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The UWP XAML designer in Visual Studio actually installs an invisible app to your computer to work. If you didn't turn on developer mode in computer's Settings -> Update and Security -> For Developers, Visual Studio can't install the app to your computer, and you can't use the XAML designer. If you turned on developer mode can click the green triangle to start debugging, the XAML designer should work.

Zhaoquan Huang
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