Windows 8/10 - Fix This app can't open for Built-in Administrator account

You got any of these annoying errors with Built-in Administrator account on Windows 8/10?

This app can't open

can't be opened using the Built-in Administrator account. Sign in with a 

different account and try again.

or?

This app can't open

can't open while User Account Control is turned off.

Turn on User Account Control

Here is the solution:

1. Local Security Policy - Run "secpol.msc" and modify as in screenshot 

2. Edit Registry - Run "regedit" and change the value as in screenshot

Ref: http://www.islamadel.com/en/notes/6-computer/29-win8fixadmin