Hello,
In this case, I think you should custom your IE driver to ignore setting for Protected Mode.
You could see the sample code here:
import org.openqa.selenium.WebDriver
import org.openqa.selenium.ie.InternetExplorerDriver;
import org.openqa.selenium.remote.DesiredCapabilitiesSystem.setProperty(“webdriver.ie.driver”, “your_iedriver_path\\IEDriverServer.exe”)
DesiredCapabilities dc = DesiredCapabilities.internetExplorer()
dc.setCapability(“ignoreProtectedModeSettings”, true)
WebDriver IEdriver = new InternetExplorerDriver(dc);
The IEDriver path in Katalon tool: …\Katalon_Studio_Windows_64-5.2.0.1\configuration\resources\drivers\iedriver_win64
Reference is get from this blog: http://jimevansmusic.blogspot.in/2012/08/youre-doing-it-wrong-protected-mode-and.html