Why Can\'t I Find Chrome Binary in Selenium with Older Chrome Versions?

WebDriverException: Unknown Error: Cannot Find Chrome Binary with Selenium in Python for Older Google Chrome Versions

When using Selenium with older versions of Google Chrome, you may encounter the following error:

WebDriverException: unknown error: cannot find Chrome binary

This error suggests that ChromeDriver is unable to locate the Chrome binary in its default location.

To resolve this issue:

1. Verify Chrome Installation:
   Ensure you have installed Google Chrome version 55.0.2883.75 in the default location as specified by the ChromeDriver requirements:

OS	Default Chrome Location
Linux	/usr/bin/google-chrome1
Mac	/Applications/Google Chrome.app/Contents/MacOS/Google Chrome
Windows XP	%HOMEPATH%Local SettingsApplication DataGoogleChromeApplicationchrome.exe
Windows Vista and newer	C:Users%USERNAME%AppDataLocalGoogleChromeApplicationchrome.exe

2. Set Binary Location:
   If Chrome is installed in a non-default location, you need to specify the binary location in your Selenium script:

<code class="python">from selenium import webdriver
from selenium.webdriver.chrome.options import Options

options = Options()
options.binary_location = "C:\Program Files\Chrome\chrome64_55.0.2883.75\chrome.exe"
driver = webdriver.Chrome('chromedriver.exe', chrome_options=options)</code>

3. Check ChromeDriver Version:
   The ChromeDriver version used should be compatible with the Chrome version. In this case, Chromedriver 2.26 is appropriate for Chrome 55.0.2883.75.
4. Check Environment Variables:
   Make sure the PATH environment variable includes the directory where ChromeDriver is located. This ensures that Selenium can locate the Chromedriver executable.

By following these steps, you should be able to resolve the "cannot find Chrome binary" error and successfully launch your WebDriver instance using the specified Chrome version.

The above is the detailed content of Why Can\'t I Find Chrome Binary in Selenium with Older Chrome Versions?. For more information, please follow other related articles on the PHP Chinese website!