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

Firefox won't let my imac shut down and I cannot force quit it

  • 1 reply
  • 3 have this problem
  • 23 views
  • Last reply by FredMcD

more options

When I finish my work for the day and try to shut my iMac down it won't do it because of Firefox. I try to force quit it and nothing. I can then to push the swith on button until my computer shuts down. I will return to Safari!!

When I finish my work for the day and try to shut my iMac down it won't do it because of Firefox. I try to force quit it and nothing. I can then to push the swith on button until my computer shuts down. I will return to Safari!!

All Replies (1)

more options

Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac=Options)
key, and then starting Firefox. Is the problem still there?


Do you have nvidia's network access manager or forceware network manager software installed? Disable / remove it. https://support.mozilla.org/en-US/kb/connectivity-crashing-firefox-43-update