There are several methods which can be used to deal with this error message so make sure you try out all of them before giving up. Good luck!
Solution 1: Use the Hidden Administrator Account to Run or Install the App
You will need elevated administrator access to run or install the app properly. This account can be easily enabled by following the instructions below. When you successfully sign in into this account, you can modify, run or install the app and switch back to your regular account in no time.
Solution 2: Use Command Prompt
This command which can be run in Command Prompt can help you use administrator privileges to try and run the app without having to enable the hidden administrator account. However, this method sometimes simply fails to work properly and that is why we have given advantage to the first method.
Solution 3: MMC.exe Causing the Error
If mmc.ece is the one causing the error with security prevention when you click on Install or Check for updates in the Settings app, one viable answer would be to simply reset Windows Update components which are closely related to the mmc.exe application. This may be a lengthy process but otherwise you won’t able to run anything related to mmc.exe without receiving the problem. Since you are going to edit the registry, we recommend you check out this article in order to safely backup your registry to prevent further problems.
Solution 4: Let Apps Through in SmartScreen
This can be done via Command Prompt as you can operate just how will the message appear and what options will be presented to users who try and run the problematic app. Sometimes this error occurs because of certificate conflicts and Windows just doesn’t want to let it through. However, if you really want to run the app and if you trust the developer, you can follow the instructions below in order to be able to run the app. The process differs for Windows 10 users and for older versions of the Windows operating system.
Older Versions of Windows:
Windows 10 Users:
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