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When you try to open a modern app with a local Windows account in Windows 10 or Windows 8.1, you sometimes get a UAC-related error: This app can't be enabled if UAC is disabled or This app can't be opened. The app cannot be opened if User Account Control is disabled.

This means that Windows cannot launch modern (metro) applications when UAC is turned off.
How to fix this app can't be enabled if UAC is disabled?
Change UAC settings
To fix this problem, you need to modify Windows User Account Control (UAC) as follows:
1. Move your mouse pointer to the bottom right corner of the screen to launch Charms.
2. Click on the magnifying glass icon to start the search.
3. Type UAC in the search box, then click Change User Account Control.
4. Move the cursor to position 3 from below. Notify me only when apps try to make changes to my computer (default). These are the default settings for Windows. System tuning tools modify the system so that it never reports the condition that causes the Explorer.EXE UAC error.
5. Click OK, then restart your computer.
Turn on UAC from the registry.
Press Windows + R to open the run window.
Type Regedit in the Run window and find the following registry.
HKEY_LOCAL_MACHINE softwareConcepto de Software¿Qué es el Software y cuál es su función?Un Software es la parte lógica, o más bien el soporte lógico, de cualquier sistema de tipo informático. Sea un PC, un teléfono teléfono celular o inclusive una tablet, es todo aquel programa que se ejecuta en él gracias a la coordinación de la parte física, es decir, el hardware, para llevar adelante alguna tarea concretamente o un recopilatorio de plus Microsoft Windows Versión actual Directrices del sistema
Check the value of EbableLUA in the right pane.
Double click on it and change the value data: 1
Enable UAC via Group Policy

The second way to turn on UAC is to use group policy. Open the console's local group policy editor (gpedit.msc) and go to the Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options section. Enable the policy titled User Account Control: Run all administrators in admin approval mode.
Install the latest updates
La instalación de las últimas actualizaciones para el sistema operativo Windows es una forma segura de solucionar muchos problemas en su computadora, y los usuarios han informado que la instalación de las últimas actualizaciones ha resuelto el problema para muchas personsLas personas son personalidades imaginarias que representan a un determinado grupo objetivo. En el marketing online, las personas ayudan a entender mejor a los usuarios de un portal web o a los clientes de una tienda online. Concepto de personas Para que las personas puedan ejercer su efecto positivo, deben ser lo más detalladas viable. Esto conlleva un término exhaustiva de los grupos destinatarios para conseguir datos empíricos. La próxima plus. ¡Pruébalo!
Open the PowerShell utility by right-clicking the Start button on the menu and clicking Windows PowerShell (Admin) on the context menu.
If you see the prompt instead of PowerShell at this point, you can also find it in the Start menu or in the search bar next to it. This time, right-click on the first result and select Run as administrator.
In the Powershell console, type “cmd” and be patient as Powershell switches to the cmd-type window, which may seem more natural to command prompt users.
In the cmd console, type the command below, then click Enter:
wuauclt.exe /Updatenow
Let this command do its thing for at least an hour and verify that the updates were found and installed without any issues. This method can be applied to all Windows operating systems including Windows 10.
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