Why do pinned apps disapear when I close firefox.

When you right click on a tab, you have to option to save the tab as an application. When I have pinned some tabs they can be seen on the left of the toolbar. When I close down it just reminds me that I am closing multiple tabs. When I reopen firefox the pinned apps that I saved have disapeared. They used to work ok but now don't. Also in previous versions of Firefox when you were closing down it used to ask if you wanted to keep the open tabs for next time. This dosn't happen anymore. I thought it was a usefull feature.
Best regards
Tom porritt.

App (pinned) tabs and Tab Groups (Panorama) are stored as part of the session data [1] in the file sessionstore.js [2] in the Firefox profile folder [3].
Make sure that you do not use "Clear Recent History" to clear the "Browsing History" when Firefox is closed because that prevails and prevents Firefox from opening tabs from the previous session.
* https://support.mozilla.com/kb/Clear+Recent+History
* [1] http://kb.mozillazine.org/Session_Restore
* [2] http://kb.mozillazine.org/sessionstore.js
* [3] http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox
It is also possible to use the "Show my windows and tabs from last time" setting, that is usually a more reliable way to restore session data.
* [http://kb.mozillazine.org/Menu_differences Firefox/Tools > Options] > General > Startup: "When Firefox Starts": "Show my windows and tabs from last time"

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Why are cookies not deleted when I close Firefox?

Hey,
My problem is that I set Tools / Options / Privacy / History to "Use custom settings for history", and then under cookies I set Keep until: to "I close Firefox".
Yet, when I close my browser and restart none of the cookies are deleted. If I save my tabs, I stay logged in on the websites that are open on the saved tabs. But even if I close the website, and then quit. And then reopen the website after launching Firefox again, I am still logged in. Whereas Firefox is set not to remember any of my usernames or passwords, so the only way this can happen is via cookies. Therefore, the cookies are not deleted. But I can also see it in the list of cookies: it's full of old stuff.
So why are cookies not deleted despite this setting?
Firefox has beeen pretty soft on privacy lately, and frankly I don't understand why. The possibility to have history older than X days automatically deleted has also been gone for a long time, and now this cookie setting doesn't work, either.

Hi madperson,
I turned this setting on a long time ago. Basically, it's one of the first things I do after installing my OS and Firefox. So there shouldn't be so many old cookies there.
But anyways, just now I deleted all the cookies manually via Tools / Options / Privacy / Show Cookies / Remove All Cookies to be sure that all the old stuff is wiped out. And yet it still doesn't work.
I logged in to my Gmail account (the Remember Me box ain't checked), closed the tab containing my Gmail account and then closed Firefox. After that I verified in the Task Manager that firefox.exe is indeed not running anymore. So Firefox definitely shut down properly. Then, I restarted Firefox and opened a tab, entered gmail.com, and I was still logged in, therefore the cookies were not deleted.
I have the 10.1.101.000 version of ZoneAlarm, which as it turns out after googling it is indeed not the latest version (it was released in March 2012). The ZoneAlarm Firefox add-on that automatically comes with the firewall is disabled in Firefox.

Why is all history cleared when I close Firefox, even when Remeber History is specified?

Application Basics
Name Firefox
Version 37.0
Update History
User Agent Mozilla/5.0 (Windows NT 6.3; WOW64; rv:37.0) Gecko/20100101 Firefox/37.0
Profile Folder
Enabled Plugins about:plugins
Build Configuration about:buildconfig
Memory Use about:memory
Multiprocess Windows 0/1

History and cookies can be removed or not recorded several ways;
* 1) Running Firefox in Private Mode (nothing is recorded)
* 2) Privacy settings (Type '''about:preferences#privacy'''<enter> in the address bar.)
* 3) Many disk cleaners and anti-virus type programs can remove data from browsers. Open their settings and have them leave the browsers alone.
* 4) Mal-ware.

I copied this from your 5.0 download information: "All of the App Tabs you have set when you close Firefox will open as App Tabs when you start Firefox again." When I opened my computer today all my apptabs from yesterday had disappeared. Why?

Your download page for 5.0 stated: All of the App Tabs you have set when you close Firefox will open as App Tabs when you start Firefox again.
I liked the convenience of using App Tabs and was disappointed to find that the ones I had set up yesterday were gone today. Am I doing something wrong?

Works fine for me, I can simulate your problem by improperly closing Firefox.
The correct way would be to close the windows you don't want and then to exit Firefox through the File ("'''Alt+F'''") menu then use '''Exit''' or '''Qui'''t depending on your system.
But '''I can simulate your problem''' by closing the good window with "X" in the upper right-corner first (the one with the app-tabs) and then close the other window by any means.
You restart Firefox and open a window, since you closed without app-tabs there are none so you just see a window with your home page.
Firefox has some things added to Firefox 4 and therefore in Firefox 5.
# "'''Alt+S'''" (Hi'''s'''tory menu)
# "'''Restore Previous Session'''" (that's the window without the app-tabs, but you have to this first)
# "'''Restore Recently Closed Windows'''" -- can choose which window to reopen based on name and the mouse-over tells how many tabs. or you just use "'''Restore All Windows'''" without the guessing.
''I know you are on a Mac, and this affects Windows user more than anybody else, but it does affect other systems besides Windows, occasionally, perhaps more often now with the plugins container.''
The following may not completely eliminate having to terminate Firefox through the Windows Control Panel but it will come very close.
'''Plug-in and tasks started by Firefox may continue after attempting
to close Firefox''' The "X" in the upper right-hand corner closes the
Window (same as Ctrl+Shift+W) but even if it is the last Firefox window,
it does not necessarily close Firefox .
The only '''proper way to exit Firefox''' is to use '''Exit''' through the
File menu, not the "X" in the upper right corner of last Firefox window.
In the Firefox 4 and 5 that would be Alt+F then X
* '''Firefox hangs''' | Troubleshooting | Firefox Support http://support.mozilla.com/en-US/kb/Firefox%20hangs#w_hang-at-exit
Use the '''Windows Task Manger''' to remove all running firefox.exe in the "'''Processes'''" tab of the Windows Task Manager, then restart Firefox.
If Firefox will still not start, remove the parent.lock file from the profile which is created each time Firefox is started to prevent other Firefox tasks from running, see 
http://kb.mozillazine.org/Profile_in_use#Remove_the_profile_lock_file
'''Avoiding Problems with close/restart''' ''choose either extension''
:Use to close and restart Firefox after enabling or disabling an extension, switching to a new theme, or modifying configuration files, then you don't have to worry about delay or have to look in the Task Manager to see if Firefox is closed yet.
Both extensions use the same keyboard shortcut "'''Ctrl+Alt+R'''" or a file menu option.
*"'''Restartless Restart'''" extension for Firefox 4.0+ only (2 KB download ) https://addons.mozilla.org/firefox/addon/249342/
*For older versions use "'''QuickRestart'''" extension (34 KB download) ( https://addons.mozilla.org/firefox/addon/3559/

When I create app tabs they appear as they should. When I close firefox and open it it fresh all the app tabs are gone. How can I pin them sothey do not disappear when I close firefox?

see question

Make sure that you do not use Clear Recent History to clear the Browsing History when you close Firefox.
* https://support.mozilla.com/kb/Firefox+does+not+ask+to+save+tabs+and+windows+on+exit
* https://support.mozilla.com/kb/Clear+Recent+History

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This can be caused by clearing the cookies via [[Clear Recent History]]. 
* Firefox/Tools > Options > Privacy > Firefox will: "Use custom settings for history" > [X] Clear history when Firefox closes > Settings
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You can let all cookies expire when you close Firefox to remove unwanted cookies and keep the ones with an allow exception.
* Tools > Options > Privacy > Cookies: "Keep until": "I close Firefox"
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Are you clearing your recent history when you close Firefox?
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Why do pinned apps disapear when I close firefox.

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