We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

Tabs are not closing.

  • 2 replies
  • 2 have this problem
  • 9 views
  • Last reply by ideato

more options

After the most recent upgrade: 1. I don't have an 'x' in the tab bar to close the tab with. 2. when I click on the top rh corner to close tab there, the tab stay open although not visible. 3. once i close firefox, i cannot reopen without restarting my computer.

After the most recent upgrade: 1. I don't have an 'x' in the tab bar to close the tab with. 2. when I click on the top rh corner to close tab there, the tab stay open although not visible. 3. once i close firefox, i cannot reopen without restarting my computer.

All Replies (2)

more options

You can close a tab with a middle click on that tab.


See "Hang at exit":

See "Firefox hangs when you quit it":

more options

If you want to re-unable 'x' in the each tab

type in the address bar about:config

then press the button i'll be careful i promise

then type in bar browser.tabs.closeButtons (or copied from here)

then right click on it , select modify, and put 1, click OK

exit firefox and restart-it.


see for info : Browser.tabs.closeButtons

thank you

Modified by ideato