Cannot find my Windows 8 Metro app in WACK (Windows App Cert Kit)

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So you are building a Windows 8 Metro app, wanting to make sure that it passes the Windows Store test and decided to run the Windows App Certification Kit early. You open up WACK from the Windows 8 Consumer Preview Start Menu and cannot find your app listed on the kit. What's going on?

It seems like Windows App Certification Kit is still buggy in the Windows 8 Consumer Preview. It failed my app for one reason (It cant be my fault, can it?). But most importantly it seems if there are any application with a blank InstallLocation then it will stop going through the application list. Here's how to fix it:

  1. Open a powershell window
  2. Do a ‘Get-AppxPackage > out.txt’
  3. Open out.txt and look at InstallLocation field of all the apps installed (IMPORTANT!!)
  4. For the apps whose InstallLocation is blank, do a ‘Remove-AppxPackage <packageFullName>’
  1. David says:
    2012-05-31 01:35:00 -0400

    Did not worked for me :( My app still is not listed...

  2. ronaldwidha says:
    2012-05-31 02:00:00 -0400

    double check if you have removed ALL apps that has a blank InstallLocation. You need to remove every single one of them

  3. David says:
    2012-05-31 08:57:00 -0400

    I have checked, but there were no blank InstallLocation.... Any other chance to make it work ? Thnak you VERY much for your help, we really would like to publish a Metro App :)

  4. cedric says:
    2012-12-09 16:39:00 -0500

    Very thanks for this tip! Check also if installation path is correct. If an old file is in the Path, Wack will be display a blank list! Very thank !