Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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 will not open.

  • 1 reply
  • 1 has this problem
  • 3 views
  • Last reply by user633449

swedishgg
swedishgg
more options

Opened yesterday. Safari opens. Software up to date. Running on a Mac with the latest Mac software

Opened yesterday. Safari opens. Software up to date. Running on a Mac with the latest Mac software

All Replies (1)

user633449
user633449
more options

Try to Create a Fresh Firefox profile, and see if it opens:

Profile Manager - Create, remove or switch Firefox profiles

Before doing that however, make sure you restart your Macbook, and also try to reinstall firefox.