Firefox has started to break up when closing

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• Firefox has started to crash at startup, after that I seconded a bookmark bar button

  Firefox has started crashign at startup after I seconded a button in the bookmarks bar. It does not start in SafeMode either.

  This looks like a problem with the taskbar previews.

  It is possible that there is a problem with the sessionstore.js and sessionstore.bak files in the Firefox profile folder.

  Delete the sessionstore.js file [2] and files possible sessionstore-# .js [3] with a number and sessionstore.bak in the Firefox profile folder.

  • Help > troubleshooting information > profile directory: opens showing the file
  • http://KB.mozillazine.org/Profile_folder_-_Firefox

  Delete sessionstore.js will cause App Tabs and tab groups and opened and closed the tabs (back) to get lost, so you will need to create them again (take note or bookmarks).

  See also:

  • [1] http://kb.mozillazine.org/Session_Restore
  • [2] http://kb.mozillazine.org/sessionstore.js
  • [3] http://kb.mozillazine.org/Multiple_profile_files_created

  Create a new profile as a test to see if your profile is the source of the problems.

  See "basic troubleshooting: a new profile:

  • https://support.Mozilla.org/KB/basic+troubleshooting#w_8-make-a-new-profile

  There may be extensions and plugins installed by default in a new profile, so check that in "tools > Modules > Extensions & Plugins" in case there are still problems.

  If this new profile works then you can transfer files from the old profile to the new profile, but make sure not to copy corrupted files.

  See:

  • http://KB.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

• Firefox recently started opening new tabs when I click on search results how do I get this to stop

  When I use Google and I click on a search result, it opens a new tab, where it used to just take me to a new page in the tab I was using, I searched on the tabs tab in options and saw I could choose to open in a new window, but I don't see an option to open it in the current tab. It started to arrive from nowhere.

  Found a setting in Google that said to open all the result in a new window that I guessed that Firefox has been the substitution and open it in a new tab as suggested settings unchecked the box in Google and now the behaviour is back to normal.

• Firefox has started to freeze on the opening and hangs / freezes frequently during use.

  Firefox has begun to open very slowly [very]!, as well as to crashing and freezing during use. What's happening on all my three machines, two running Win 7 and the other win 8.
  I tried refreshing and disabling, but to no avail hardware acceleration.
  Now it seems to freeze on opening and takes a minute or two to become sensitive, or not at all.
  When I look into during a freezing Task Manager, I see the Firefox process use 35 to 50% of memory [I have 8GB, 12GB, and 16GB] and up to 50% of the CPU resources.
  Everything was fine until the last two weeks.
  In addition, last month, I noticed an almost permanent error on the status bar message - ' Sync has encountered an error during synchronization: unknown error. " Synchronize automatically retrying this action. »

  
  

• Can't get firefox to save settings and tabs when closing even if I check the box that asks if I want to save the settings and tabs when I close Firefox

  When I close Firefox I get the reminder box that asks if I want to save settings and tabs on the next launch I check the Yes box, but he never save the settings or the tabs, function works very well on the desktop but not on the computer laptop windows 7

  This has happened

  Each time Firefox opened

  == me remember not just started could have been after an update

  If you use delete navigation, search and download history on Firefox in Firefox 3.5/6, or clear private data in Firefox 3 to clear the browsing history when Firefox is closed then in restaurant tabs at the last session (for example "save and exit" or "show my windows and tabs from last time ') does not work.

• MacBook Pro has started to randomly stop when it is on battery since the upgrade to El Capitan

  I have a MacBook Pro (15 inch, early 2011) which works very well on the Mountain Lion for a long time. I finally got round to upgrading to El Capitan last week: directly to 10.11.6. A few days later he just powered down without warning while I was working. He was so very well for a few days, but then made several times in the last 48 hours.

  I am moderately sure it happens only when it is on battery (it did not in the past hours 8 while that plugged). Whenever it happens, that there is no warning and the Mac then fine restarts (manually) - Although the clock resets always in 1970 until he can contact an NTP server. One of the curious side effects is that my PostScript fonts were blank on the screen in Excel for a few reboots yesterday but then OK once again!

  No hardware has changed. Major software change is only El Capitan and possibly an iStat Menus update.

  I have reset PRAM and SMC. I ran the short AHT. I disassembled the machine and clean the fans. they were OK, but the problem seems to occur when the Mac is hot.

  Spotlight and Time Machine sometimes seemed to be struggling for the upgrade, and I also saw rpcsvchost with 100% of a core for a while. The machine feels sometimes slow - but for the last 8 hours, it was very good. The only model that I put in place, is that it seems to occur only on battery; It's even happened then that the Dock (etc.) were loading after logging in after an unexpected shutdown.

  The other thing common is in the newspapers every time:

  Cause of previous stop:-128

  I scanned a number of related posts to aspects of it, but do not look at who blames El Capitan rather than material. Yet, many people reported this kind of problem after the upgrade... Coincidence?

  Any ideas?

  Thank you.

  Cause of previous stop:-128

  A negative stop code generally indicates a hardware failure. Have the Apple to assess your Mac. The fix may be as simple as a spare battery.

  Start here: contact support

• Since 49.0.2 I can't edit posts facebook. Works fine in Internet explorer, but firefox has started doing this after the 49.0.2 update

  Since the 49.0.2 to day I can't edit posts to facebook. Works very well in internet explore. All the plugins and addons are up-to-date

  What happens when you try?

  Start Firefox in Safe Mode {web link} by pressing on the
  (Mac = Options) key and then from Firefox. A small dialog box should appear. Click start in Safe Mode (no refresh).

  Is always the problem?

• Firefox has ceased to provide passwords when you connect to web sites

  I use a master password and tick the remember me box for most web sites. Recently Firefox was not inserting the password during the connection. I wonder the master password, but get no response after he seized. I checked the list of password and all my passwords are there.

  If you are currently using a version from the repositories of your distribution of Linux, try the official Mozilla Server version.

  • https://www.Mozilla.org/en-us/Firefox/all/

  Have you tried a fresh start in the new profile without copying all the files (especially logins.json and signons3.txt) in the new profile?

  Note that Firefox doesn't--auto-completion of names and passwords in private browsing mode, or if the site uses autocomplete = off in the field or the entry form.

• Firefox has started showing a message from the site untrustred, on all the websites I try to access it, including firefox help. How can I stop this?

  All the sites I visit, including my email accounts and your help screens are mounted as untrustworthy, while I was visiting most of them at least once a week for many years without problem. How can I remove this barrier as it turns so much time that I might have to leave Firefox, although I do not want after so long

  This connection is Untrusted is sometimes caused because the
  the computer system clock is wrong. Check the time / date / time settings of the area.

• Firefox has started to refuse to open Gmail, saying that the certificate is not valid and that he refuses to remember the exception.

  On the presentation of the petition, Firefox told me that the Mozilla cerificate also failed because it is obsolete.
  Other sites have the same problem, although all are trusted sites.

  You still have this problem?

  I see a new certificate (July 9, 2011) to Gmail, make sure that the date and time on your computer are correct.

• Firefox has started talking to me? verbalize what I do?

  Earlier, I was not using FF for a couple of hours. I went back and now there are voices verbalize every Darn shot I do, what I'm clicking on, etc. How can I get rid of this? Very irritating! Thank you!

  Firefox itself is not doing the voice. He can with an add-on.

  This sounds like the computer is doing. Icon Windows > Control Panel > Ease of Access Center

• Firefox 18.0 crashes when closing tabs

  Since installing firefox 18.0 my computer crashes when closing tabs or the end of the sessions

  I open norton and went to troubleshoot norton was an upgrade, so I installed upgrading and the problem was solved. Thanks for the comments

• Loading the main page halfway when Firefox starts - all other elements as the bar side and toolbars is loading properly. Height adjustment manually retains the setting for navigation all in session but don't remember setting when closing down.

  Height adjustment manually retains the setting for navigation all in session but does not remember to reset when closing down.
  Something was clicked inadvertently, but don't know what or how as Firefox worked fine a couple of days. Version 3.6.3. Help please

  Positions and sizes of windows are stored in localstore.rdf in the profile folder.

  Localstore.RDF to remove or rename the localstore.rdf.sav file in the profile folder to test whether the file is corrupted.
  
  See http://kb.mozillazine.org/Corrupt_localstore.rdf
  
  (attention: do not delete the localstore.rdf file in the Firefox program installation folder)

  Note:
  
  Delete the localstore.rdf file will reset the default toolbar customizations.
  
  You can rename "localstore.rdf' to 'localstore.rdf.sav' to test whether what it solves.
  
  Then, you can restore the customization by copying "localstore.rdf.sav" to "localstore.rdf" if she did not.

• Firefox has suddenly started to open a new tab when I update an existing tab. How can I prevent this and get Firefox to not do that?

  Without explanation Firefox now opens a new tab when I try to update an existing one. Worse still, I have to click on the new tab to get the Update window. This happened after I downloaded the last download nightly (64-bit). Hope someone out there can let me know how to solve this problem, because it will force me to another browser if I can't solve it.

  Thanks for the suggestions ideato and co - el.

  I found a blog that hits suggested ' subject: config "in the address bar and then change"browser.link.open - external"3-to-1. It worked, but then some links do not open in a new window when they were supposed to. So I changed the value back to 3 and restarted the computer. Everything works now so don't know what the real problem was.

• Firefox isn't me WARNING when closing multiple tabs and it should be, and the ability to save tabs missing

  Hi all

  Not sure if it's something with Firefox 30, but this problem appears again.

  In fact, first when I was close the browser with multiple tabs open, it warned me with the little popup, but it wasn't the "do you want Firefox to save your tabs for the next time it starts? It was just the warning of closure which said "you are about x tabs. Are you sure that you want to continue? »

  So, who was recently #1 problem. I want the option to save and exit. But only in the last few days, it seems, is not even show this close attention now. With several tabs open, it closes just to the bottom of the browser. When opening Firefox again, tabs have been restored, at least it's a good thing, although weird.

  I wonder how come back asking to "Save and exit" or "Quit" or "Cancel" as before.

  In response to some requests for information as possible, here is some information that you may be asking, which I already checked:
  -as appropriate on: configuration settings are all set to true already, such as browser.tabs.warnOnClose and browser.showQuitWarning
  -in tools > Options, "warn me when closing multiple tabs" is checked, and "show my windows and tabs from last time" is selected for the start of Firefox. Nothing has changed!
  -safe mode does not solve the problem; Firefox closes always just if I quit or press the red X.
  -"Always use the private browsing mode" is unchecked.
  -I didn't run a program like CCleaner between sessions

  I have not changed anything, but this problem happening! I hope someone can help me to solve this problem and go back to the way it was, where accidentally close Firefox could be avoided and restore the previous session was possible.

  Thank you!

  Well well, with more tests and the help of my boyfriend, what I've learned, it's that tabs "Save and exit" dialogue prevails over the caveat to the closure of several tabs.

  With browser.showQuitWarning set to true, it will ask me to save and exit - but not if "show my windows and tabs from last time" is selected to start Firefox, who dismisses the prompt to save and leave (and close several tabs warning). It will save just for you to quit smoking.
  And had I disabled this browser.showQuitWarning manually or by selecting "do not ask next time" on the Sava and dialogue to quit smoking, then the warning for closing multiple tabs seems to try to close multiple tabs, since I warn the option in my settings of the tabs.

  It is one or the other, save and exit or warning to the closure of several tabs.
  It would be nice but if it was not a conflict between the fence several warning tabs and Firefox abandoning dialogue.

  So, I hope this can help someone else who may be confused or accidentally to change options and potentially be screwed on. After all, I can an injury self-inflicted in the settings.