Windows SmartScreen might prevent you from running the nControl installer and show you the following window:
To continue, click on More info. You will get the window below:
Click on the Run anyway button to launch the installer.
Alternatively, you can open the popup menu (right mouse button) on the nControl installer in your file browser and choose Properties (at the bottom of the menu).
Check the Unblock box at the bottom of the properties window and choose OK.
Now you should be able to launch the nControl installer.
If you're still experiencing problems to install nControl, don't hesitate to contact us.