This app has been blocked by your system administrator. Cause This issue occurs because an administrator has deployed an application control policy (AppLocker) on the computer. Aug 02, 2018 If a file you know is safe is going to give you trouble when you attempt to launch it, you can quickly give it permission to open. Navigate to the file or program that's being blocked by SmartScreen. Right-click the file. Click Properties. Click the checkbox next to Unblock so that a checkmark appears.
Windows 10 has two built-in security features to prevent the user from running unauthorized or unknown files. When you try to access these files or apps, you will be warned byWindows SmartScreen or Open File – Security Warning and you can choose to run files which you know are safe and you can trust.
This tutorial will show you how to unblock a file or apps that are blocked by Open File - Security Warning and Windows SmartScreen in Windows 10.
How to Unblock file in File Properties in Windows 10
Step 1: Right-click on the blocked file, and select Properties.
Step 2: Go to General tab and check the Unblock box at the bottom.
Step 3: If prompted, click on Continue.
Step 4: If prompted by UAC, click on Yes (if sign in as administrator) or enter administrator password.
How to Unblock file in Open File – Security Warning
Open the unknown or blocked file to trigger the Open File – Security Warning prompt.
In the warning prompt, uncheck the box Always ask before opening this file, and Open or Run the file.
If prompted by UAC, click on Yes (if administrator) or enter administrator password.
How to Unblock app or file in Windows SmartScreen
Open the unknown or blocked app/file to trigger the Windows SmartScreen.
Click on the More info link as shown in the image below.
Click on the Run anyway button to run the app/file.
Related Articles
- Change Windows SmartScreen Settings
- Disable User Account Control in Windows 10
- Fix 'This App Has Been Blocked Your Protection'
- 6 Ways to Run an App as Administrator in Windows 10
- 3 Ways to Protect Files and Folders against Ransomware Attacks
Aug. 20, 2018 / Updated by Bessie Shaw to Windows 10
Receive the error “This app has been blocked for your protection” or “An administrator has blocked you from running this app” in Windows 10 when you want to run a legitimate application? It is pretty frustrating, right? Here are top 2 ways to help you fix the “This app has been blocked for your protection” in Windows 10.
1. Turn Off Windows SmartScreen
Windows SmartScreen will block unrecognized or suspicious apps from running on your PC. If you are sure the files are safe, you could disable Windows Defender SmartScreen. Do the following steps:
Step 1. Right-click Start and click Search.
Step 2. Type “smartscreen” in the field box.
Step 3. Click Change Windows SmartScreen settings.
Step 4. Click Don’t do anyting (turn off Windows SmartScreen).
2. Run the App from the Elevated Command Prompt
To get around the error “This app has been blocked for your protection”, you can run the application from an elevated Command Prompt. Follow these steps:
Step 1. Right-click Start and click type Command prompt (Admin).
Step 2. Locate the App’s setup file and right-click on it.
Step 3. Click Properties. Copy and paste its location into Command Prompt and type the exact file name. In our example it would be E:DownloadAirTrans.exe
Step 4. Click Enter.
Bonus Tip: Quick Way to Update Drivers for Windows 10
To prevent possible PC problems, such as no WiFi, PC slow, no sound, USB not working, Bluetooth not available, mouse and keyboard not working, etc, you'd better downlaod and update your drivers from time to time.There’s a risk of downloading PC drivers on the Internet, and incompatible drivers could bring more complicated PC issues. To save you a lot of time and frustration, it’s highly recommended to use a reliable driver update application like Driver Talent to scan for and find out all your faulty PC drivers in seconds and then automatically download them in minutes. All the drivers are collected from the official source (original manufacturers and Microsoft) and they are safe and well tested.
Click the download button below to grab Driver Talent directly. No viruses. No trojans.
Below you can find a quick guide on how to use Driver Talent to download and update drivers, compatible with HP, Asus, Dell, Lenovo, Acer, Toshiba, Lenovo, MSI, Samsung and other brand PCs.
Step 1. Scan Your PC
Launch Driver Talent. Click Scan to perform a full scan of your PC. Your faulty drivers will be listed.
Step 2. Repair or Update Drivers
Click “Repair” to fix the corrupt, broken or missing drivers. Click “Update” to download the latest drivers.
Step 3. Reboot Your PC
A PC reboot is a must to allow driver update to take effect.
You may also like to check out:
If you have ideas or questions about how to get rid of the UAC error This app has been blocked for your protection in Windows 10, don't hesitate to leave comments below for further assistance.
360 Total Security Business | Driver Talent for Network Card |
Deploy critical protection to secure your corporate data | Download & Install Network Drivers without Internet Connection |
30-day Free Trial | Free Download |