Fix This app has been blocked for your protection on Windows 10

Maybe you get a problem when you want to install a bluetooth driver in Windows 10. The driver can’t be installed and every time it tried to install the message will appear “This app has been blocked for your protection“.

Actually this problem can occur in all applications, so Windows 10 raises the message “This app has been blocked for your protection” when the application you want to install comes from a source or publisher not recognized by Windows, so blocked by Windows Defender SmartScreen.

But if the application / software you want to install is safe, then you can turn off Windows Defender SmartScreen protection for the application. Here is how to fix “This app has been blocked for your protection”:

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  1. Right-click the blocked file > Properties.
  2. On the General tab, in the Security section, check Unblock.
  3. Apply

If you don’t find the Unblock option above, you can temporarily turn off Windows Defender SmartScreen via Settings with open Windows Defender Security Center > App and Browser Control then turn off Windows Defender SmartScreen by changing all toogle to Off.

Please make sure after you install the application / software that you want it, you enable this SmartScreen feature again for better security protection.

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