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windows-store-appswin-universal-app

Registration of the app failed error in Windows Store or Universal app

Visual Studio shows the following error when I execute my Windows Store or Universal project:

Error 1 Error : DEP0700 : Registration of the app failed. Another user has already installed an unpackaged version of this app. The current user cannot replace this with a packaged version. The conflicting package is dff9bf13-e639-46ad-a6ed-61b27be58eed and it was published by CN=owais. (0x80073cf9) tiles

Solution

  • You probably are trying to install an app on your machine that already has been installed. Maybe you installed it once during development and are now trying to install it from either another account or using a different deployment method.

    There are several ways to fix this.

    Best way: Remove the installed application, e.g. using Powershell Remove-AppxPackage and specify the package, then try to reinstall.

    Another way: Change the package name in the Package.appxmanifest of the app you're trying to install, compile it and install it again.

    Example:

    <Package ...>
   <Identity Name="5a0c511a-fdfd-4417-80b8-2bedbf437971" ...>

    change to:

    <Package ...>
   <Identity Name="5a0c511a-fdfd-4417-80b8-SomethingElse" ...>