Hello if someone need to block windows 10 store application they way to do it using a windows server is to go to Group policy objects, create a new gpo and go to:
User Configuration -> Windows Settings -> Security Settings -> Software Restriction Polices, right click on it and create new restriction policy, go to additional rules and create a new path rule with the path "%programfiles%\WindowsApps*"
if you do this all the windows store apllication will be blocked.
thank you