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!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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. Əgər kömək lazımdırsa lütfən yeni sual verin.

- SOLVED - Firefox 45.4.0 freezes while preforming certain tasks

  • 2 cavab
  • 2 have this problem
  • 13 views
  • Last reply by John99

Aaron_Marron
Aaron_Marron
more options

I am a Linux user, and this is an issue that has just begun today. Firefox 45.4.0 now has the tendency to freeze, giving me no choice but to force-close Firefox. Occasionally, it freezes my entire computer. These freezes occur when I am preforming simple tasks; such as opening a new tab, accessing my preferences and add-ons, and even while in the middle of typing. Even when starting in safe mode, Firefox will still freeze. I cannot access preferences, so I cannot edit my settings to try and fix the problem. I have also tried reseting Firefox, but it freezes whenever I try to access about:support. It does the same while trying to access about:crashes, so I have no other information to provide. I am at a complete loss here. The only other browser I have to use is KDE Konqueror, which cannot access most sites I need. Help would be much appreciated.

Also, I highly doubt it, but I changed some of my privacy and cookie settings earlier today.... could that be a cause of the problem?

Here is an error message I received while closing Firefox after freezing:


EDIT: I solved this problem by using terminal to reset Firefox through safe mode.

I am a Linux user, and this is an issue that has just begun today. Firefox 45.4.0 now has the tendency to freeze, giving me no choice but to force-close Firefox. Occasionally, it freezes my entire computer. These freezes occur when I am preforming simple tasks; such as opening a new tab, accessing my preferences and add-ons, and even while in the middle of typing. Even when starting in safe mode, Firefox will still freeze. I cannot access preferences, so I cannot edit my settings to try and fix the problem. I have also tried reseting Firefox, but it freezes whenever I try to access about:support. It does the same while trying to access about:crashes, so I have no other information to provide. I am at a complete loss here. The only other browser I have to use is KDE Konqueror, which cannot access most sites I need. Help would be much appreciated. Also, I highly doubt it, but I changed some of my privacy and cookie settings earlier today.... could that be a cause of the problem? Here is an error message I received while closing Firefox after freezing: EDIT: I solved this problem by using terminal to reset Firefox through safe mode.
Attached screenshots

Modified by Aaron_Marron

Chosen solution

Very good work. Well done. Please flag a response as Solved Problem so others will know.


Next time you have such a problem, try; Start Firefox in Safe Mode by holding down the <Shift> (Mac=Options) key, and then starting Firefox. https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

Read this answer in context 👍 0

All Replies (2)

FredMcD
FredMcD
more options

Seçilmiş Həll

Very good work. Well done. Please flag a response as Solved Problem so others will know.


Next time you have such a problem, try; Start Firefox in Safe Mode by holding down the <Shift> (Mac=Options) key, and then starting Firefox. https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

John99
John99
more options

Your Firefox version probably needs updating.I know some distros may be rather slow with software updates, but I may have expected you to be on Fx45.9 , Fx52 esr or even Fx53

Your Flash Player is probably also outdated, that may have to be obtained form Adobe, as some distros refuse to provide the Adobe software (or at least make it less easy to get hold of).

Is your Linux software itself up to date ? What are you on? For instance if it is Kbuntu it should be

  • 14.04 LTS (Trusty Tahr)
  • 16.04 LTS (Xenial Xerus)
  • 16.10 (Yakkety Yak)

Or if it is Debian

  • 7 oldstable (Wheezy)
  • 8 stable (Jessie)

You could consider installing a Mozilla build of Firefox. That can be installed as a separate browser from the one the distro provides at least that gives you an alternative browser to use if the distro installed one has problems.