Sometimes when you are trying to open an application on your computer you may face this error message- ‘This app has been blocked for your protection‘ and the application won’t open. This problem is mainly associated with the User Account Control on your computer. Disabling it will fix this issue for you.
Fix-1 Disable User Account Control in Registry Editor-
You will need to disable the User Account Control on your computer to fix this issue.
Before going ahead to the main fix, we strongly suggest you to create a a backup of the registry on your computer. After opening Registry Editor, click on “File” > “Export” to create the backup.
If anything goes wrong you can retrieve your registry by simply importing the backup.
1. Press Windows key+R to launch Run window on your computer.
2. Type “regedit” in Run window and then click on “OK“.
Registry Editor window will be opened.
3. In Registry Editor window, on the left hand side, navigate to this location-
4. Now, on the right hand side, double click on “EnableLUA” to modify it.
5. In Edit D-WORD (32-bit) Value window, set the ‘Value Data‘ to “0“.
6. Now, click on “OK” to save the changes.
Now, close Registry Editor window.
7. Security and Maintenance window will be opened.
8. Click on “Restart Now” to restart your computer to completely disable User Account Control.
After restarting your computer, try to open the application again.
This time the error will be fixed for sure.
If you want to enable User Account Control again on your computer you will need to follow these easy steps-
1. Just like before, in Registry Editor window, on the left hand side, navigate to this location-
2. Now, on the right hand side, double click on “EnableLUA” to modify it.
3. This time, set the ‘Value Data‘ to “1“.
4. Now, click on “OK” to enable User Account Control again on your computer.
Now, close Registry Editor window and reboot your computer to complete the process.
Fix-2 Open the program as an administrator from CMD-
If you are facing this issue trying to open any Windows utility (like Device Manager or Local Group Policy Editor), follow these steps-
1. Click on the search box beside Windows icon and then type “cmd“.
2. Then, right click on “Command Prompt” in the elevated search result and choose “Run as administrator“.
Command Prompt with administrative rights will be opened.
3. Now, type the program executable name (such as- devmgmt.msc or gpedit.msc ) in Command Prompt window and hit Enter to open it.
The utility window should open.
Fix-3 Set UAC to ‘Never Notify’-
Turning User Account Control ‘Off’ may help you to solve this issue.
1. Click on the Search box beside Windows icon and type “uac“.
2. In the elevated search result window, click on “Change User Account Control settings“.
3. In User Account Control Settings window, on the left side, slide down the bar to “Never Notify“.
4. Then, click on “OK” to save the changes on your computer.
Now, try to open the application on your computer and it will be opened.
Sambit is a Mechanical Engineer By qualification who loves to write about Windows 10 and solutions to weirdest possible problems.