Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

how to keep warn you when closing multiple tabs from getting unchecked or disabled firefox

more options

This should be in the settings under tabs but it is not. Instead they have decided to put the setting in a dialogue box when you attempt to close all the tabs Sometimes I uncheck by accident and everything disappears. Is there a way to disable this checkbox?

This should be in the settings under tabs but it is not. Instead they have decided to put the setting in a dialogue box when you attempt to close all the tabs Sometimes I uncheck by accident and everything disappears. Is there a way to disable this checkbox?

All Replies (2)

more options

Did you look at your general settings as well.

more options

Try changing "warnOnClose" preferences In the address bar, type about:config and press. The about:config "This might void your warranty!" warning page may appear. Click I accept the risk! to continue to the about:config page. Enter browser.tabs.warn in the Search box, it will bring up the preferences: browser.tabs.warnOnClose browser.tabs.warnOnCloseOtherTabs browser.tabs.warnOnOpen

https://support.mozilla.org/en-US/kb/about-config-editor-firefox