Windows 10 Error: This app can’t open

“This app can’t open” is a very common problem that many people face in Windows 10. While it has a number of solutions, here is an easy fix that worked for me.


Press Windows Key + R and run secpol.msc.


When you have Local Security Policy open, navigate to the following directory: Local Policies >Security Options. Over here, you have to scroll to the very bottom and find the following Policy “User Account Control: Admin Approval Mode for the Built-in Administrator account“.


By default, this option is disabled, you have to double click on this policy and change the option from disabled to enabled.


Restart the system

Beside enabling “User Account Control Admin Approval Mode for the Built-in Administrator account”, you also should do this step:

Navigate to the following registry key:


Check if it worked by running a native metro app such as Calc, Mail, etc.