If you see “(32-bit)” and are running Firefox 56.0.1 or newer, then your computer may not meet the minimum memory requirement for 64-bit (3 GB RAM or more).If you see “(32-bit)” and you are running Firefox 56.0 or older, updating to the latest Firefox version should automatically upgrade you to 64-bit.Check your Firefox version (in the “About Firefox” window) and look for “(32-bit)” or “(64-bit)” after the version number: If you’re running 64-bit Windows ( here’s how to check), your Firefox may already be 64-bit. Linux and macOS users, fret not, you already enjoy a Firefox that’s optimized for 64-bit. Also, with the jump from 32 to 64 bits, a security feature called Address Space Layout Randomization (ASLR) works better to protect you from attackers. Here’s the key thing to know: 64-bit applications can access more memory and are less likely to crash than 32-bit applications. What’s the difference between 32-bit and 64-bit? How much less? In our tests so far, 64-bit Firefox reduced crashes by 39% on machines with 4GB of RAM or more. That means you get a more secure version of Firefox, one that also crashes a whole lot less. Sorry, I don’t know Mac yet.Users on 64-bit Windows who download Firefox can get our 64-bit version by default. You can do that by going to Programs and Features if you are on Windows. Sometimes you may need to uninstall the older version of your browser. Uninstall the older version of the browser. If you are using Windows and are based in US, the exact download is here.ģ. You can downgrade your Firefox version to 39.0 by going here. In my Complete Selenium Webdriver Course, I have the following working configuration: Downgrade your browser a few versions and see if it works with your test. You can also do a bit of trial and error.
If you want to know which browser you need to downgrade to, then you can check the Selenium Webdriver change log. Since Webdriver cannot keep up with all of the browser updates, that involves downgrading your browser instead of waiting for a fix from Selenium.
You need to make sure that your browser version is compatible with Selenium Webdriver.
Downgrade to a lower version of that browser. It’s a bit different on each browser, so just Google it.Ģ. On your current browser, make sure to go to Options and select “Never check for updates”. In this cases, you need to downgrade firefox version that is installed on your computer to make it work. Sometimes, you got some issues with firefox not working properly with Selenium Webdriver.
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