This shows how to fix the 0x406 error for the Xbox app on windows 10. Below you will find the commands that you will need for to put into windows PowerShell.
**POWERSHELL MUST BE RUN AS ADMINISTRATOR EVERY TIME**
Get-AppxPackage windowsstore | Remove-AppxPackage
Get-AppxPackage xboxapp | Remove-AppxPackage
(Restart your computer)
Get-AppxPackage -AllUsers| Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}
Once this has been done the Xbox App should work just fine.
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