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!

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

6/23/18 just downloaded new firefox on my Mac OS X 10.11,6 - won't launch - what do i do?

  • 1 reply
  • 1 has this problem
  • 7 views
  • Last reply by FredMcD

more options

all questions like this are at least 6 months old. Looking for an answer specific to most recent firefox. Is firefox quantum good for personal use other than business?

all questions like this are at least 6 months old. Looking for an answer specific to most recent firefox. Is firefox quantum good for personal use other than business?

All Replies (1)

more options

Please explain the problem in detail. What happens? Error messages?