This application has been blocked by the system administrator

Users could get This application has been blocked by the system administrator Error message when launching a pre-installed app on Windows 11/10. This error occurs when a PC is connected to a domain network and the administrator has used the AppLocker to implement a restriction in the software installation policy. This is how you as an administrator can bypass this error and allow a specific user or all users to run a program.

An administrator has prevented you from running this application

The main reason for this problem is an application control policy designed by the system administrator. Many system administrators do not allow users to install or run multiple applications during business hours. In most cases, administrators use AppLocker to prevent users from opening apps from the Microsoft Store on all computers. You may get the specific error if you are under this restriction and try to open an app from the Microsoft Store.

However, many times you may need to allow a specific service to access all applications due to a business purpose. In this case, you need to create a new rule to allow everyone or a specific user on your network to access applications created by Microsoft. Your system must have remote server administration tools. Also, you must create the rule from a Windows 11/10/8 or Windows Server 2012-based domain controller.

This application has been blocked for your protection by the system administrator

Arrange This application has been blocked by the system administrator error, follow these steps-

  1. Open local security policy
  2. Create a new rule in the Rules section of the packaged app

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At first, you need to open the Local Security Policy on your computer. For that, you can open the Start menu and search for it. Alternatively, you can press Win + Rpaste secpol.msc, and press the Enter button. After that go to App Control Policies > AppLocker > Packaged App Rules. You have to right click on the Packaged app rules button and select Create a new rule option.

It should open a window where you can find the Next button. It displays all the essential information about creating a rule in the Local Security Policy panel.

In the permissions window, you must select the action you want to perform. This implies that you must choose between allow Where Decline. Since you are going to allow others to run installed programs, you should select allow. It then asks you to select the user or group. If you want to allow everyone on your network to run apps from the Microsoft Store on their respective computers, you should use Everybody. If you are going to authorize a specific department (commercial, HR, accounting, etc.) or a user, you must click on the To select and choose the corresponding username.

This application has been blocked by the system administrator

After making all your selections, click the Next button to visit Editor language. Here you can see two main options:

  • Use an installed packaged app for reference
  • Use a bundled app installer for reference

If you want to select a specific app, choose the first option. You must choose the second option if you want to include an .appx file or a bundled app installer file as an example or reference. For the second option, you must have the path of the .appx file.

This application has been blocked by the system administrator

According to your preferences, you must click on the Select/Browse button to confirm the reference. After choosing the application or installation file, you should see other options unlocked:

  • Any publisher: Users can run programs from any signed editor.
  • Editor: Users can run applications created by a specific publisher. FYI, if the publisher has five applications on the system, users can run all of them. According to the screenshot, it is Microsoft Corporation.
  • Package Name: Users can only use a specific app with the given package name. Although this does not happen, if multiple applications have the same package name, users can run all of them.
  • Package version: If you don’t want to allow users to update and run a newer version of an app, you must specify the version of the app.

To select a specific rule, check the box Use custom values checkbox and use the lever on the left side to choose an option.

Finally, click on the Next button to visit exceptions language. This feature is useful when you want to override your custom rule in different situations. You can click on the Add button to create an exception.

If you don’t want to create an exception, click the Next to enter a name and description for your rule. This will allow you to recognize the rule in the future.

This application has been blocked by the system administrator

After doing this, click on the To create button. You should now see the newly created rule in the Packaged app rules section. If you want to remove this rule, right click on it and select Remove. Then you need to confirm the deletion.

That’s it! This tip should help you solve Your sysadmin error that blocked this app on Windows 11/10.

related reading: This app has been blocked due to company policy.

How to open a file blocked by Microsoft Security SmartScreen?

  • Press the Start button, search for Windows Security and open it once it appears
  • Click Application and Browser Control
  • Open Reputation-Based Protection Settings
  • Click Protection History
  • Locate the application blocked by Microsoft Security
  • Unlock and you should be able to use the app.

So if you want to see what’s blocking Microsoft Security or Windows Defender, this is the place to check.

My PC is not part of any organization; Why are downloaded files blocked?

It is not your PC, but Microsoft Edge or Chrome feature that blocked unwanted apps i.e. apps marked as red or new. However, you can still authorize and use it if you trust them enough.

How to unblock a blocked website?

If you are trying to access a website that is not accessible, you should use a VPN to bypass the restriction. If your PC is restricted when using the Microsoft Family feature or any other software, you need to ask your administrator to give you access. Lastly, if the browser is crashing, check with another browser, and if it is blocked everywhere for security reasons, better not access it.

This application has been blocked by the system administrator

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