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!

Sykje yn Support

Mij stipescams. Wy sille jo nea freegje in telefoannûmer te beljen, der in sms nei ta te stjoeren of persoanlike gegevens te dielen. Meld fertochte aktiviteit mei de opsje ‘Misbrûk melde’.

Learn More

Dizze konversaasje is argivearre. Stel in nije fraach as jo help nedich hawwe.

the Open Last Closed Tab add-on I just installed is not visible

  • 2 antwurd
  • 1 hat dit probleem
  • 11 werjeftes
  • Lêste antwurd fan cor-el

more options

I just installed an add-on to be able to open the tab I last closed. But there is no evidence whatsoever as to where the add-on button is. I.e. my toolbar has no new button, as I expected it to for using this add-on. It is the Undo Closed Tabs button at https://addons.mozilla.org/en-US/firefox/addon/undo-closed-tabs-button/?src=search Please help.

I just installed an add-on to be able to open the tab I last closed. But there is no evidence whatsoever as to where the add-on button is. I.e. my toolbar has no new button, as I expected it to for using this add-on. It is the Undo Closed Tabs button at https://addons.mozilla.org/en-US/firefox/addon/undo-closed-tabs-button/?src=search Please help.

Alle antwurden (2)

more options

You should not need an add-on to do that. Just using Firefox, you should be able to open a closed tab by right-clicking the tab bar and choosing "Undo close tab" from the menu.

more options

Did you check the toolbar palette in the Customize window?

  • Firefox menu button > Options > Toolbar Layout
  • View > Toolbars > Customize

You can check for problems caused by a corrupted localstore.rdf file.