When Win10 opens the software, always pops up the prompt window how to cancel?

When the Win10 system opens the software, a window pops up with "Windows has protected your computer". I don't know what the computer is doing. Every time you have to close the window to open the program, it makes people feel trouble. Then when Win10 opens the software, it always pops up the prompt window and how to cancel it?
1, press WIN+X or right click on the start menu, then open the old control panel;

2, click on "System & Security" Options;

3, then click again <;Security & Maintenance"Options;

4. Click on the left side of the "Change Windows smartscreen filter settings" option;

5, set the smartscreen filter to “Do not do anything (turn off the Windows smartscreen filter) “ and determine the save settings;

After the above five steps to set up Win10 to open the software, the prompt window will not appear again, and cancel This pop-up window will have no effect on the system.