How to diagnose metro app deployment errors?

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When trying to debug a Metro project from VS, I came across this error:

DEP0700 : Registration of the app failed. Another user has already installed a packaged version of this app. An unpackaged version cannot replace this. The conflicting package is PACKAGENAME and it was published by CN=some Guid. (0x80073cf9)

But I have already uninstalled the app from the Start page, also, I can confirm that there is no entry left in Add/Remove program.

And since the access to the "%PROGRAMFILES%\WindowsApps" folder where the app files reside in is blocked, so I have no way to see if the app is still there.

However, I can still find many 'PACKAGENAME' occurances in the registry.

How to diagnose this? How to get rid of the "packaged version" so I can start debugging from VS?

deployment
microsoft-metro
asked on Stack Overflow Nov 9, 2012 by kennyzx

5 Answers

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Try installing the app from the windows store again, and then uninstall it from the start page. It appears that when Visual Studio does the uninstall it doesn't do it right.

answered on Stack Overflow Nov 16, 2012 by Randall Sutton
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1) Go to your Package.appxmanifest file in your solution
2) Go to the identity tag.
<Identity Name="xxxxxxx-yyyy-zzzz-tttt-bbbbbbbbbbbbb"
Publisher="CN=bigbob"
Version="1.0.0.0" />

3) Change the value of the Identity Name (Ex from ...bbbbb to ...bbbbc)
4) Rebuild and run

Source:
http://www.sempf.net/post/MetroUIAnother-user-has-already-installed-an-unpackaged-version-of-this-application.aspx

answered on Stack Overflow Nov 20, 2012 by tkelch
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Are you sure you didn't just unpin the app? Try doing a search for it and see if it is still there.

answered on Stack Overflow Nov 9, 2012 by Violet Elizabeth Nowak
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I find a solution to the problem. It's said it is a "staged package" that does not show up in my start page so I can not uninstall it in normal way. I follow the steps, and successfully get rid of that "un-uninstallable" :) package.

answered on Stack Overflow May 30, 2013 by kennyzx • edited May 23, 2017 by Community
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This blog post was helpful, although after an hour or so of troubleshooting it turns out that I had indeed installed the package under another user account. After switching accounts and uninstalling from the start screen it worked fine.

answered on Stack Overflow Feb 10, 2013 by bendewey • edited Apr 4, 2013 by Xavi López

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