Join the Mozilla’s Test Days event from 9–15 Jan to test the new Firefox address bar on Firefox Beta 135 and get a chance to win Mozilla swag vouchers! 🎁

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

firefox opens in small window

  • 1 reply
  • 3 have this problem
  • 13 views
  • Last reply by cor-el

annette.hebbgrier
annette.hebbgrier
more options

bold textEvery time I open Firefox it opens in a small window.

'''bold text'''Every time I open Firefox it opens in a small window.

All Replies (1)

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

Try to rename/remove xulstore.json in the Firefox profile folder with Firefox closed (Firefox -> Quit Firefox).

You can use the button in "Help -> More Troubleshooting Information" (about:support) to go to the current Firefox profile folder or use the about:profiles page (Root directory).