FIX Metro Apps in Win 8 /10 / Server 2012 r2

Sometime it just happens to receive an error saying that an app cannot be open:

  1. open a powershell windows ( either directly or via cmd – in administrator mode )
  2. run this command: “Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}”