Firefox is not saving open tabs when closing, it says other session of Firefox is running but this is not the case.

Firefox used to save open tabs when closing the browser. This no longer happens and Firefox says other session running. Task Manager shows that this is not the case.
Recently installed an flv/mpeg viewer "aLot" which placed a toolbar in Firefox.
Am running Firefox 3.0.5 on Windows XP with Service Pack 3.

Your useragent says your are running Firefox 3.6.13 -> is that true.
If not, do the following and post back your new Firefox version:
* Type about:config in the URL bar and hit Enter
* If you see the warning, you can confirm that you want to access that page.
* Filter = general.useragent.
* Right-click the preferences that are bold, one line at a time, and select Reset.
* Then restart Firefox

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I have an account for apple but this is not acceptable for i cloud. It say it is correct ID and password but this is not icloud account. So my phone can not connect with my computer and not synchronization too

I have an account for apple but this is not acceptable for i cloud. It say it is correct ID and password but this is not icloud account. So my phone can not connect with my computer and not synchronization too. Last a few months i have not use this phone. Just i start to use again. So most probably i gave my old mail address as a ID or password. So how can i clearing this subject. regards

ErolSinan wrote:
... there is no button for update between the About and Usage buttons in the General. ...
Correct. That is only a feature of iOS 5 or later...
ErolSinan wrote:
... yes my phone is 3G.
then it can only go as far as iOS 4.2.1

Firefox is not saving my tabs when Firefox starts back up after shutdown -- what can I do to fix this???

Ever since I updated to the latest Firefox 3.6.12 a several weeks ago I began to have this problem. Under 'Options' and 'Start Up' I have highlighted - when Firefox starts " Show my Windows & Tabs from last time". My settings have never changed since this last update to the latest version so I don't know why I am experiencing this problem. I will say that I did recently do a Windows Reinstall on my computer (Window XP - SP3) but this didn't start to become a problem until the latest Firefox update a week or two later so I doubt this may have something to do with the problem.
After looking on the forums for solutions to this problem I came across one thread, which said that this can be a problem with the file sessionstore.js and sessionstore.bak in the Profile Folder and then said what to do to find and delete these type of existing files. Well, I followed the instructions on how to do so and yet Firefox still doesn't always save my Tabs upon computer shutdown. I'd say 2 out of 3 times I do a restart or shutdown it saves my Tabs but 1 out of 3, it does not. By the way, I thought I'd also mention that this exact problem is happening on two of my computers both running Version 3.6.12.
So what gives?...could it be problems with the latest Version 3.6.12 causing this since that's when this problem started occurring? What else can I do to troubleshoot and finally fix this? ...it has become very frustrating since I keep a lot of open tabs before closing Firefox and never know when it's not gonna save!!!

Make an appointment at an Apple store if there is one nearby.

Cannot save open tabs when closing, instructions on "help", don't; FF4 has crashed/locked several times also. Frequently have to hit link button (or back button) twice for it to work. Had MUCH better performance from previous version (Windows 7 user)

previous version asked if I wanted to save tabs when closing, not version 4. "Help" suggested checking setting but does NOT indicate what to check! (I cannot find any options/settings related to saving tabs upon closing). Second option was to rename two files, did so, did not allow saving tabs (just erased history). I liked saving tabs and am very frustrated by this.
FF has crashed a couple of times, locked a couple of times (most recently I could not even stop with windows task manager, had to reboot)
Frequently links (or "back" button) gives no response until pressed twice

forgot to add that pages are generally much SLOWER to load with version 4 than previous version. NOT progress!

Like Firefox, can Safari restore its tabs when (closed and) re-opened?

If Firefox contains open / active tabs and is closed, those tabs (and their history) can (via a setting) be restored when Firefox is re-opened.
Can Safari restore its tabs when it's re-opened as well?

In my Safari for Windows (5.0.5) I've got a "Reopen all Windows from previous session" command. (In my History Menu.)

Ff recursively starts opening tabs when I'm trying to view a simple .h file like this:

<pre>
ifndef FF_TEST_H
#define FF_TEST_H
/*===================================================
File: ff_test.h
Author: Jan Torres ([email protected])
Description: Testcase for FF 3.5+ recursive tab open bug.
Just open this file in FF and watch it opening tabs like crazy :-)
Date: 18.02.2010
====================================================*/
#include "string.h"
#endif
</pre>

See:
"Reset Download Actions": http://kb.mozillazine.org/File_types_and_download_actions
[[Firefox keeps opening many tabs or windows]]

I want to save multable tabs when closing so when i restart i can resume previous sessions

before the last update..
i was able to save multable tabs before turning off my computer.
when i restarted my computer i would see the same tabs as i did before i turned off my computer.
i want this feature again please
i cannot find it anymore

Firefox now automatically saves open tabs when closing. When you re-start Firefox, do one of these:
#Restore from History:
#*click ''Firefox button> History > Restore Previous Session''
#*click ''History > Restore Previous Session'', if using the Menu Bar
#Restore from the about:home page:
#*type '''''about:home''''' in the Location/URL bar and choose "Restore Previous Session"
#*See https://support.mozilla.com/en-US/kb/common-questions-after-updating-firefox#w_why-werent-my-tabs-and-windows-restored
#Change your home page setting:
#*Change Options > General tab, change "When Firefox starts:" to "Show my windows and tabs from last time"
#*See [https://support.mozilla.com/en-US/kb/Options%20window%20-%20General%20panel Options window-General Options]
IMPORTANT:
*You must close Firefox using ''Firefox button > Exit/Close'' (or ''File > Exit/Close'' if using the Menu Bar) for this to work properly
*You must have "Remember my browsing history" selected; click ''Firrefox button > Options > Privacy'' (or ''Tools > Options > Privacy,'' if using the Menu Bar'')
**See [https://support.mozilla.com/en-US/kb/Options%20window%20-%20Privacy%20panel Options window-Privacy panel]
*You must not clear "Browsing History" when closing Firefox; click ''Firefox button > Options > Privacy > [X] Clear history when Firefox closes > Exceptions > [ ] Browsing History'' (or click ''Tools > Options > Privacy > [X] Clear history when Firefox closes > Exceptions > [ ] Browsing History'', if using the Menu Bar)
**See [https://support.mozilla.com/en-US/kb/Clear%20Recent%20History#w_how-do-i-make-firefox-clear-my-history-automatically Clear Recent History - How do I make Firefox clear my history automatically]
*You must not be using Private Browsing or start Firefox in permanent Private Browsing
**See [https://support.mozilla.com/en-US/kb/Private%20Browsing Private Browsing]
**Options > Privacy > [ ] Permanent Private Browsing Mode
***See [https://support.mozilla.com/en-US/kb/Options%20window%20-%20Privacy%20panel#w_use-custom-settings-for-history Options window-Privacy panel-Use custom settings for history]
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''

Sometimes when I close Firefox and try to open it in few moments it shows me message "Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system." However, I haven't o

Sometimes when I close Firefox and try to open it in few moments it shows me message "Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system." However, I haven't opened any additional Firefox related programs, and previous Firefox is closed. First I though it is because of my computer, but then I discovered that other people have the same problem as well
== This happened ==
A few times a week
== some 2 month ago ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.30729; InfoPath.2; .NET CLR 3.0.30729)

Hi Andis.
First of all, this is completely normal behavior, although it's a bit irritating, I know. What happens is that when you close Firefox, despite the window disappearing right there and then, Firefox keeps running for a little bit until the whole closing procedure is completed. This can take a fraction of a second on fast computers, or can take a few seconds on slow computers or when Firefox is storing a large session (if you save your tabs). All you have to do is wait a bit until Firefox closes, and then open it again.
To see if it's still running, you can press CTRL+SHIFT+ESC and then, under the Processes tab, you can see if firefox.exe is still there. If it's taking an unusual amount of time to close (which happens very rarely, and only if the browser freezes on exit), you can force the application to terminate from this application (task manager).
Firefox 4.0 will reduce by 97% the time it takes firefox.exe to close, so this problem will be basically erased for Firefox's next version.
Until then, I can recommend you this extension, which helps you restart your browser more easily and without bothering about closing times:
https://addons.mozilla.org/en-US/firefox/addon/3559/
Hopefully this will help.

How i can have all my opened tab when upgrade my firefox?

now i'm still using very old Firefox 3.6.12, and i want to upgrede it. I always using "save and quit" to my all opened tab when quit and not using bookmarks. total about 300+ tab opened.
i already try upgrade once and all my tab is lost. and because of that i do system restore and reintall with old one again.
how i can have all my opened tab when upgrade my firefox?
sorry my english is mess....

I do not think anything much has changed with the Firefox system restore files and how they are handled so it may be possible to keep these and use them after an upgrade in a new version of Firefox.
It is '''very important that you backup the Firefox profile''' see
*[[Back up and restore information in Firefox profiles]]
If you do that you will be able to use the open tabs again. (May need to reinstall Firefox 3.6 again possibly as an additional browser) 
You must
* Put that profiles somewhere safe. NOT in the Firefox profile or program path. Your Window's Desktop is ok as a safe place.
*When needed. Only work with copies of those files. Keep the original files and folders safe.
Upgrade to the latest Firefox. Because you are going up so far from 3.6 to 27 do this by installing the new Firefox 27. Do not try using each upgrade step from 3.6 to 27.
Please follow these steps:
'''Note:''' You might want to print these steps or view them in another browser.
#Download the latest Desktop version of Firefox from http://www.mozilla.org and save the setup file to your computer.
#After the download finishes, close all Firefox windows (click Exit from the Firefox or File menu).
#Delete the Firefox installation folder, which is located in one of these locations, by default:
#*'''Windows:'''
#**C:\Program Files\Mozilla Firefox
#**C:\Program Files (x86)\Mozilla Firefox
#Now, go ahead and reinstall Firefox:
##Double-click the downloaded installation file and go through the steps of the installation wizard.
##Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.
More information about reinstalling Firefox can be found [https://support.mozilla.org/en-US/kb/troubleshoot-and-diagnose-firefox-problems?esab=a&s=troubleshooting&r=3&as=s#w_5-reinstall-firefox here].
WARNING: Do not run Firefox's uninstaller or use a third party remover as part of this process, because that could permanently delete your Firefox data, including but not limited to, extensions, cache, cookies, bookmarks, personal settings and saved passwords. These cannot be recovered unless they have been backed up. (That is why I asked that the profile was backed up FIRST)
You may be surprised and find Firefox still has the old tabs once it is reinstalled.
Post back with how you get on. We should be able to get access to the old tabs again.
In future I suggest you do not try to rely on keeping 300 tabs open all the time without bookmarking them. You will at some stage probably lose some or all of these tabs, or their related states and history.
Please in future
* Backup your profile on a regular basis.
**Once a week means you may only lose one week's open tabs.
*Bookmark important open tabs.
** Bookmarks keep well.
** Open tabs do not keep well & may be lost.
* If possible reduce the number of open tabs you use.

How do I save the open tabs when I close Firefox 5? There should be a dialog box opens that asks if you want to do this. Without it I will stop using Firefox.

This was available in earlier versions and was a great feature. Please restore it or give us a workaround.

It seems that they decided to disable this feature by default for some reason. In your address bar, type in "about:config" and search for browser.showQuitWarning" in the filter, without quotes. Double-click this string to set it to "true." Firefox should then ask you if you would like to save and quit, or just quit, when exiting with multiple tabs opened.
Another option is to go to the "General" tab in your preferences and and under "Startup" -> "When Firefox starts," select "Show my windows and tabs from last time" from the drop-down list. This way, your opened tabs are always saved, and always restored.
Finally, you can achieve this functionality (and more) with the Session Manager add-on. Session Manager is nice because it allows you to save and restore multiple tab sessions. I also find that it's a more reliable fail-safe for saving your opened tabs when it comes to browser crashes.

The "+" appears on the left side of the open tabs, when I re-open a closed window. The tab that should be first on the left doesn't have a tab!

The "+" appears on the left side of the open tabs, when I re-open a closed window. The tab that should be first on the left when the window is re-opened doesn't have a tab! If all the other tabs are closed, the webpage appears, but still has no tab! If more tabs are then opened, it is again inaccessible without closing all tabs!

In Finder, go command - F. On the top left set "Kind" to Date Created, finish selecting the criteria and hot "Save" on the top right. You'll get a new smart folder with an option to add it to the sidebar.

When i down load a program on firefox i can never open it ...it says it not a valid win32 application

when i down load a program on firefox i can never open it ...it says it not a valid win32 application
i down loaded firefox 3.611 threw firefox and thats the erro it gave me and on anyother application i down load it alway tell me this when i go to run it... it not a valid win32 application

It is possible that your anti-virus software is corrupting the downloaded files or otherwise interfering with downloading files by Firefox.
You can try to disable the real-time (live) scanning of files in your anti-virus software temporarily to see if that makes downloading work.
See http://kb.mozillazine.org/Unable_to_save_or_download_files

Dozens of open tabs lost! Synced them, reinstalled Windows and Firefox, set up Sync, looked up "tabs on other devices" in history - Only a third or so listed.

Dozens of open tabs lost! Synced them, reinstalled Windows and Firefox, set up Sync, looked up "tabs on other devices" in history -> Only a third or so listed.
Usually, when I reinstall Windows, I manually backup my Firefox bookmarks and open tabs, but because Sync has worked perfectly for me in the past, I didn't do it this time. I backed up all my other files and settings and whatnot from the rest of my system, then in Firefox I hit the Sync button (put in on the GUI so I see if it's syncing or done) for the last time, waited until the green rotating dot was gone, closed Firefox, shut down the system, formatted the drive and reinstalled Windows and Firefox. After setting up Sync I waited a while to make sure everything is on my system.
Then I wanted to have all the tabs and windows open as I had on the old system, so I went to the history and "tabs on other devices". I could already see from the small size of the list, that tabs were missing. I went through all of them, opened them and sorted them into windows.
-> Maybe about two thirds of the tabs I had open on my old system are gone!
Not just new tabs that might not have been synced (although the button showed sync was complete), but also old tabs (from weeks ago) that must have been synced before. Actually maybe especially or even only the old ones are lost. And the lost tabs are not just from one of the open windows, but from several.
What can I do to recover my lost tabs?
They contain important websites that I didn't bookmark yet, articles that I wanted to read, windows with dozens of tabs on a topic that I did some research for and stuff like that.
What does the green circle mean? Does it indicate that the sync is complete (to the Firefox servers) or just that the changes have been saved locally and set up for some next scheduled sync with the Firefox servers?
Further info:
I always run the newest stable release of Firefox (v19 on both systems). Old system was Windows 8 Enterprise Evaluation, new system is Windows 8 Pro. My used Sync quota is about 10 MB. I had 4 Firefox windows open with different amount of tabs in each of them, from 10 to maybe 80 with an overall amount of 150-200. Most of them weren't loaded. Firefox start is set to "load last session" and tabs are set to "load when selected". Memory usage 500 MB - 1 GB.

I have most of the items bookmarked. Having 200 - 300 tabs open saves time, since I don't have to go to the bookmarks, if the tabs are already open. One problem has been crashes, but as long as I can restore a previous session, I can still get to the data. I had quite a few tabs open when I was planning to purchase a new computer. I also follow the stock market, and the weather. I was also looking at various VIrtual Private Networking (VPN) sites. At one time, I probably had 20 - 50 tabs open, just for those. I did bookmark a few, but unfortunately lost the VPN tabs, when Firefox crashed. Even if I don`t go to a particular group of tabs very often, leaving it open is faster, especially since I will know where they are. I often put the computer in standby mode, rather than shutting it off, especially if I will remain in the same location.

Firefox isn't saving my tabs

I need to start off with the warning that I have no clue what I'm doing and the work I've done so far was based on other people's advice or information I found on MozillaZine. This problem started after I downloaded the latest version of Firefox.
So... Firefox isn't saving my tabs and I think I know why, but I'm not 100% sure. (I have it saved that I want to restore my previous session whenever I open Firefox.) I went to about:config and went to look for browser.sessionstore.enabled to see if that was messed up, but the file wasn't even there. Obviously, I'm assuming that's the problem. If anyone could tell me if it sounds like I'm on the right track that would be great.

The pref [http://kb.mozillazine.org/browser.sessionstore.enabled browser.sessionstore.enabled] is no longer used in Firefox 3.5 and later (bug 449596).
Remove that pref if you still have it via the right-click context menu and choose Reset.
Check that Session Restore is enabled.
You can look at the 'browser.sessionstore' prefs on the '''about:config''' page and reset prefs that show as bold (user set).
http://kb.mozillazine.org/browser.sessionstore.max_tabs_undo
http://kb.mozillazine.org/browser.sessionstore.max_windows_undo
http://kb.mozillazine.org/browser.sessionstore.resume_from_crash
If you use [[Clear Recent History]] in Firefox 3.5/6 or [[Clearing private data|Clear Private Data]] in Firefox 3 to clear the 'Browsing History' when Firefox is closed then restoring tabs from the last session (e.g. "Save & Quit" or "Show my windows and tabs from last time") doesn't work.

Cannot save opened tabs before closing the browser

Cannot save opened tabs before closing the browser. I do not know if there is such a feature (should be), and how to activate it.
It was very useful with previous version.

One change in Firefox 4 is to by default stop Firefox displaying the warning message, but it can be turned back on by changing some preferences.
# Type '''about:config''' into the location bar and press enter
# Accept the warning message that appears, you will be taken to a list of preferences
# Locate the preference '''browser.tabs.warnOnClose''', if its value is set to '''false''', double-click on it to change its value to '''true'''
# Repeat this for these 3 preferences '''browser.warnOnQuit''', '''browser.warnOnRestart''' and '''browser.showQuitWarning'''
If you always open the last set of tabs an alternative approach is this:
# Click the orange Firefox button, then select options to open the options window
# Go to the General panel
# Change the setting "When Firefox starts" to "Show my windows and tabs from last time"

Firefox is not saving open tabs when closing, it says other session of Firefox is running but this is not the case.

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