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!

Avatar for Username

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.

Firefox 4 opens a new firefox window for every tab I open

  • 1 antwurd
  • 3 hawwe dit probleem
  • 11 werjeftes
  • Lêste antwurd fan cor-el

gman12
gman12
more options

Everytime i open Firefox 4, all my old saved tabs are opened in their own new window in addition to being put on my tab bar. Each new instance of the windows has all access to all the other tabs from the original window as well

Everytime i open Firefox 4, all my old saved tabs are opened in their own new window in addition to being put on my tab bar. Each new instance of the windows has all access to all the other tabs from the original window as well

Alle antwurden (1)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

It is possible that there is a problem with the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder.

Delete the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder.

If you see files sessionstore-##.js with a number in the left part of the name like sessionstore-1.js then delete those as well.

Deleting sessionstore.js will cause App Tabs and Tab Groups to get lost, so you will have to create them again (make a note).

See: