According to users, in some cases you can fix this problem in Internet Explorer simply by using Developer Tools and switching to an older version of Internet Explorer.
This isn’t a permanent solution, and you’ll have to repeat this solution with every website that gives you this message.
8. Disable before unlead function in Firefox
To stop Are you sure you want to leave this page? message from appearing, you have to prevent the aforementioned function from running. To do that in Firefox, follow these steps:
- Open Firefox and enter about:config in the address bar.
- You’ll see a warning message. Click I accept the risk button.
- In the search field enter dom.disable_beforeunload. Locate dom.disable_beforeunload on the list and double click it. Make sure that its Value is set to True.
After performing these steps the problem should be completely resolved. It’s worth mentioning that by disabling this function you might change how certain websites work on your PC.
Many websites use this function, and if you notice that some websites are acting strangely, be sure to revert this option to its original value.
9. Alternative solutions in Chrome
9.1. Crash tabs in Chrome
There is another workaround that can help you with Are you sure you want to leave this page? message in Chrome. You can avoid this problem simply by crashing the tab that you want to close.
All you need to do is to enter chrome://crash in the address bar. This should crash the tab and you’ll be able to close it without any issues.
Alternatively, you can also try entering chrome://hang in the address bar. By doing so you’ll freeze the tab and all its scripts, so you should be able to close it without problems.
Once again we have to mention that this is just a workaround and not a permanent solution. If this solution works for you, you’ll have to use it every time you want to close a website that gives you this message.
9.2. Use Tampermonkey
Tampermonkey holds a reputation of being the most popular userscript manager with over 10 million active users.
Thanks to this great extension you can have better control of your online sessions simply by managing and editing your scripts or enable or disable them with just as easily.
Rely on Tampermonkey if you want script synchronization with Chrome Sync and cloud storage.
With this extension you can get rid of the Are you sure you want to leave this page? error message. All you need to do is download this script and add it to Tampermonkey.
After doing that, the Are you sure you want to leave this page? error message won’t appear again. We have to mention that this is an advanced solution, so if you’re a basic user and you’re not familiar with userscripts, you might want to skip this option.
9.3. Use Let Me Out extension
The Let Me Out extension can be of real help whenever your browser displays an error message. This smart tool is able to block unnecessary pop-up messages when navigating away from a page.
Some other important characteristics reside in the fact that this extension is easy to use and doesn’t take up space on your hard drive. All you need to do is add it to the Chrome bar and let it do its job.
9.4. Update your browser
If this issue appears in Chrome or any other browser, make sure that you have the latest version installed. Sometimes your current version might contain certain bugs and that can cause this message to appear often. Checking for updates in Chrome is rather simple, and you can do it by clicking Menu button in the top right corner and choosing Help > About Google Chrome.
A new tab will now appear showing you the current version of Chrome. At the same time, Chrome will check for available updates and install them automatically. After updating the browser, check if the issue is resolved.
9.5. Restart Chrome
This is another workaround that can temporarily fix this problem. According to users, you can temporarily stop this message from appearing simply by restarting Chrome.
This is a rather simple solution, but keep in mind that this isn’t a permanent fix. Even if you restart Chrome, the issue will appear after a while so you’ll have to restart it again.
The Are you sure you want to leave this page? message can be rather annoying, but in this article we presented you with a comprehensive and complex guide to all the solutions that can help you fix it.
We’d like to hear more from you on this issue so drop us a comment in the section below.
FAQ: Learn more about browser errors
- Are you sure you want to leave this page?
Many users have confronted with this error and you’ll find all the fixes available in our guide on the Are you sure you want to leave this page? message.
- Why do pop ups keep appearing on Chrome?
Learn how to fix one of the most recent issues regarding pop-ups that keep appearing in Chrome in our article about Google Chrome pop-up virus in Android.
- How do I get rid of unwanted notifications on Chrome??
Find out how you can manage the notifications you receive with our easy guide on managing unwanted pop-ups in Chrome for Mac.
Editor’s Note: This article was originally published in March 2017 and was revamped and updated in January 2021 for freshness, accuracy, and comprehensiveness.