Modern apps are blocked by security software when you start the applications on Windows 10

Applies to: Windows 10, version 1903Windows 10, version 1809Windows 10, version 1607

Symptoms


When you start a Modern app, such as Microsoft.MSN.Money.exe or Microsoft.Photos.exe, on Windows 10, version 1607, Windows 10, version 1809 or Windows 10, version 1903, you notice that the application is blocked by your security software.

Cause


This issue occurs because the individual files within an application package are not digitally signed even though the packages are catalog-signed.

Workaround


To work around this issue, add the affected applications to the white lists of your security software.