Handling “This type of file can harm your computer.” Windows Dialog Box In Chrome Browser

Hello Folks,

You might see below dialog box when you download any file in Chrome browser and it finds that it is harmful for your computer:

This is a window/browser popup which can not be inspected. You can suppress this warning message using ChromeOptions. You need to set “safebrowsing.enabled” as true.

Java Code:

import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import org.openqa.selenium.By;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;

public class ChangeDownloadDirOfChrome {

	public static void main(String[] args) throws IOException {

		// Setting chrome driver path
		System.setProperty("webdriver.chrome.driver", "./exefiles/chromedriver.exe");

		// Setting new download directory path
		Map<String, Object> prefs = new HashMap<String, Object>();
		prefs.put("profile.default_content_settings.popups", 0);
		// Use File.separator as it will work on any OS
				System.getProperty("user.dir") + File.separator + "externalFiles" + File.separator + "downloadFiles");
		// suppressing "This type of file can harm your computer." popup 
		prefs.put("safebrowsing.enabled", "false"); 
		prefs.put("download.prompt_for_download", "false");
		// Adding capabilities to ChromeOptions
		ChromeOptions options = new ChromeOptions();
		options.setExperimentalOption("prefs", prefs);
		// Printing set download directory
		// Launching browser with desired capabilities
		ChromeDriver driver= new ChromeDriver(options);
		// URL loading
		// Click on download selenium server jar file
		driver.findElement(By.xpath("//p[text()='Download version ']/a")).click();


Above code may or may not work always with all chrome versions. Above code is tested with Chrome Version 68. I will keep updating posts, if options are changed.

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Author: Amod Mahajan

My name is Amod Mahajan and I am an IT employee with 4+ years of experience in Software testing and staying in Bengaluru. My area of interest is Automation testing. I started from basics and went throw so many selenium tutorials. Thanks to Mukesh Otwani as his tutorials are easy and cover basics to advance. I have habit of exploring concepts by deep diving. I used to make notes. I thought of sharing my knowledge through posts and now I am here. #KeepLearning #ShareLearning