Calculator app will not open




Problem:


Windows app Calculator fails to open. 


Then a blue dialog screen displays "blocked by administrator".  The "blocked by administrator" shows due to going out to the Microsoft Store, this blocked by Group Policy.




Solution:


Back up the folder first from C:\Program files\Windows apps\%desired windowsapp %  to  Downloads folder for example.  



Right click calculator app then select Uninstall


open Powershell ise.  cmdlet is add-appxpackage -DisableDevelopmentMode -Register "C:\Program Files\WindowsApps\%windows app package x64"\AppxManifest.xml"




Please note,   this procedure can be used for other windows apps that are reported.