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.

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Press Windows Key + R and run secpol.msc.

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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“.

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

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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:

Set

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