Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

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

FF31: When I only have one tab open, even a blank one, and close the tab the window closes.

more options

FF31: When I only have one tab open, even a blank one, and close the tab the window closes.

FF31: When I only have one tab open, even a blank one, and close the tab the window closes.

Chosen solution

Type about:config in the Location bar and hit Enter. Accept the warning.

browser.tabs.closeWindowWithLastTab

double-click to toggle to false and then restart Firefox.

Now if you close the last tab the window (or Firefox) won't close, but a New Tab will be there.

Read this answer in context 👍 4

All Replies (3)

more options

Chosen Solution

Type about:config in the Location bar and hit Enter. Accept the warning.

browser.tabs.closeWindowWithLastTab

double-click to toggle to false and then restart Firefox.

Now if you close the last tab the window (or Firefox) won't close, but a New Tab will be there.

more options

No. Put this option in the options screen. Too many hidden options in Firefox. Its so stupid, and you keep taking more that used to be visible out and hiding them in about:config. Its so annoying.

more options

Hi developerwjk, this is the support site for the existing Firefox. To make feature suggestions for future versions, you can submit comments here:

https://input.mozilla.org/feedback