There is no doubt that Windows is one of the most popular operating systems for any kind of people.

And display a warning message when you take a stab at run an unrecognized app.

Also Windows Smart Screen prevented an unrecognized app from starting which might put your PC at risk.

How does it work?

kill the Windows SmartScreen Filter

Although this feature seems very good and must have for your PC.

But sometime you may get the warning message while installing apps from trusted resources.