How to Disable UAC Error “This app has been blocked for your protection” on Windows 10?

by Olivia Morelli - -
12

Question

Issue: How to Disable UAC Error “This app has been blocked for your protection” on Windows 10?

An error “This app has been blocked for your protection” keeps showing up on my screen. This happens when I attempt to install new apps, but none of the apps I try to install are dangerous. However, this warning is sometimes thrown when trying to run programs that are already installed on the system. This annoys me a lot. Could you, guys, please help me?

Solved Answer

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Many Windows 10 users expressed frustration related to the “This app has been blocked for your protection” error message. The error shows up under various conditions; for example, when the computer owner attempts to run a setup.exe or some .exe app, install legitimate software both from its official website and third-party download source or sometimes even launching a random app or file that has been running on the system for a long time. The full error message says:

This app has been blocked for your protection – An administrator has blocked you from running this app. For more information, contact the administrator.

It’s important to draw your attention to the fact that the PC owner is the Administrator, but the “This app has been blocked for your protection” error shows on the system even so. The message can sometimes (NOT always) be followed by a question: “Do you want to allow this app to make changes to your device?“ and the PC user has to choose “Yes” or “No.” If you are trying to install a new software, please make sure that it’s hundred percent secure before clicking “Yes.” That’s because the “This app has been blocked for your protection” error message is a part of Windows 10 feature known as User Account Control (UAC.) It has been developed to strengthen PC’s protection from malware, virus and other cyber threats. Therefore, if you are receiving this alert, you should double check if the changes that you are currently initiating will not damage the system. While usually, UAC blocks the installation of unauthorized or malicious apps, sometimes Windows 10 protection gets over aggressive, which is why people are not allowed to install legitimate apps or files. Luckily, it’s possible to disable the “This app has been blocked for your protection” UAC alert by following the steps below.

an illustration of “This app has been blocked for your protection”  error fix

IMPORTANT: we strongly DO NOT recommend disabling the UAC error “This app has been blocked for your protection.” This way, you will reduce your PC’s protection and may stumble upon the installation of a virus. If, however, this alert is too annoying for you, install Reimage or another powerful anti-malware and keep it up-to-date.

Disabling the “This app has been blocked for your protection” error

NOTE: apply the steps provided below only if the “This app has been blocked for your protection” error prevents you from downloading/installing/running a 100% safe app.

Method 1. Run an Elevated Command Prompt

  • Log on as administrator.
  • Open “Start” and type “command prompt.”
  • Right-click on the first search result and select “Run as Administrator.”
  • Type in the full path of the application, for example, C:\Dell\Drivers\24T1W\R235168\Setup.exe.

Method 2. Enable the hidden Administrator account

To fix “This app has been blocked for your protection” error may show up due to the hidden built-in Administrator account. The hidden account may be the culprit why some of the legitimate .exe files are blocked. To fix that, you should:

  • Right-click on “Windows key” and select “Command Prompt (Admin).”
  • Type in the net user administrator /active:yes command and press “Enter.”
  • Close the Command Prompt and sign out from your account.
  • You’ll see the Administrator account on the bottom left of the screen.
  • Sign in to it.
  • Find the application or the .exe file that you could not install/run before and check if the “This app has been blocked for your protection” error is gone.
  • If the problem has been resolved, sign out from the Administrator account and sign in to the original account.
  • To finish up the task, open the Command Prompt as explained above and type in the net user administrator /active:no command to disable the hidden Administrator account.

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About the author

Olivia Morelli
Olivia Morelli - PC & Mac repair expert

Olivia Morelli is a young, but a perspicacious IT expert who is currently just a year away from a Bachelor’s Degree in Software Systems. Her primary passion is cyber security, however, thanks to her detailed understanding of computer networks, operating systems and hardware, she can find a fix for any PC or Mac issue.

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