When I close Firefox then wont reopen unless I go to task Manager and close program from there.

When I close Firefox it will not open another window when you click on icons or manually try to open new window. I have to open Task Manager find Firefox program and manually close program. Then when you open a new Firefox window it try's to restore previous session , saying sorry Firefox crashed. I have uninstalled and reinstalled , turned off all add-on's nothing has worked. No virus's , no other outside influences , nothing else on my computer has issues. Can you help?

See this: 
https://support.mozilla.com/en-US/kb/Firefox%20hangs#w_hang-at-exit

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I had some problems with my pc, since then when I close Firefox it won't reopen unless i go to Task manager and end the process for FF.

I had some problems with my pc, since then when I close Firefox it won't reopen unless i go to Task manager and end the process for FF. I have uninstalled FF and re-installed it and no change.
Walt

See "Hang at exit":
* http://kb.mozillazine.org/Firefox_hangs
* [[Firefox hangs]]

Having problems opening firefox (vista) i have to goto task manager and close process all the time just to reopen?

hi i have just recentley started having problems opening firefox up (before update) i use vista, i can double click on icon and nothing happens but when i turn pc off it pops up as the screen is going off very strange? the only way i can get it to work is by going in to task manager and ending firefox process yet there isnt firefox running????

yea thanks thats the issue there is nothing in applications for firefox so i cant close anything there but in processes there is Firefox.exe useing 30,000k so i close that, but im even stuggling with that now to get firefox working now i just had to do that process around 10 times!!!!! and then only with right clicking firefox in start menu

After closing Firefox and trying to open a new session, I get periodic pop ups telling the program is still running. I open the task manager and close it, and everything's fine. What's the issue, and how do I get it to stop?

Problem doesn't happen every time, and I've tried to leave it alone to see if there's an update that needs to finish loading. After being left overnight, I still had to use the task manager to close the Firefox program. I have no idea what it's doing, and I'd like to know. Is Firefox taking over my computer so it can move on to my house, and then go on to rule the Tri State Area?

See - [https://support.mozilla.com/en-US/kb/Firefox%20hangs#w_firefox-hangs-when-you-quit-it Firefox hangs when you close it]

Firefox won't stop running unless I go into task manager and end process

when I shut down firefox and then later try to start it again a box comes up that says it is already running but it won't come on. So I have to go into my task manager and end the process before I can start it again. How do I solve this problem?

That is "hanging at exit". You can ignore the first part, since you already know how to do that.
* How to stop the running Firefox process
** In Task Manager, does firefox.exe show in the '''Processes''' tab?
** See: http://kb.mozillazine.org/Kill_application
**Windows 7 users: http://www.techrepublic.com/blog/window-on-windows/reap-the-benefits-of-windows-7s-task-manager/2576
* What may cause Firefox to hang at exit
** http://support.mozilla.com/en-US/kb/Firefox+hangs
** http://kb.mozillazine.org/Firefox_hangs
** https://support.mozilla.com/en-US/kb/Firefox+is+already+running+but+is+not+responding
* You may need to try Firefox Safe Mode
** You may need to use '''Safe Mode''' to locate the problem:
***See:
****https://support.mozilla.com/en-US/kb/Safe%20Mode
****http://kb.mozillazine.org/Safe_Mode
***Firefox 4 users, hold the Shift key while clicking the Firefox 4 desktop icon to enter Safe Mode.
***Firefox Safe Mode is a diagnostic mode that disables Extensions and some other features of Firefox.
****In Firefox 4, Safe Mode also disables Plugins and Hardware Acceleration.
****If you are using a theme, switch to the DEFAULT theme: Tools > Add-ons > Themes '''before''' starting Safe Mode (In Firefox 4, Tools > Add-ons > Appearance). See: http://support.mozilla.com/en-US/kb/Using%20themes%20with%20Firefox#w_managing-themes-and-personas
****When entering Safe Mode, do not check any items on the entry window, just click "Continue in Safe Mode".
****Test to see if the problem you are experiencing is corrected.
*** If the problem does not occur in Safe-mode then disable all of your Extensions and Plug-ins and then try to find which is causing it
***#by enabling '''one at a time''' until the problem reappears.
***#You can also enable a few at a time (3-5), keeping track of what you just re-enabled to see if the problem re-occurs; this will help narrow down the possibilities if you have a large number of add-ons.
***#'''You MUST close and restart Firefox after EACH change''' via File > Restart Firefox (on Mac: Firefox > Quit).
***#You can use "Disable all add-ons" on the Safe Mode start window.
**See the following for more information
*** http://support.mozilla.com/en-US/kb/Troubleshooting+extensions+and+themes
*** http://support.mozilla.com/en-US/kb/Troubleshooting+plugins
*** http://support.mozilla.com/en-US/kb/Basic+Troubleshooting
 
 
'''You need to update the following.''' The Plugin version(s) shown below was/were submitted with your question and is/are out of date. You should update to avoid known security issues with the version(s) you have installed. Click on "More system info..." to the right of your question to see what was included with your question.
*Adobe PDF Plug-In For Firefox and Netscape "9.4.4"
*Shockwave Flash 10.2 r152
*Next Generation Java Plug-in 1.6.0_23 for Mozilla browsers
#'''''Check your plugin versions''''' on either of the following links':
#*http://www.mozilla.com/en-US/plugincheck/
#*https://www-trunk.stage.mozilla.com/en-US/plugincheck/
#*'''Note: plugin check page does not have information on all plugin versions'''
#*There are plugin specific testing links available from this page:
#**http://kb.mozillazine.org/Testing_plugins
#'''Update Adobe Reader (PDF plugin):'''
#*From within your existing Adobe Reader ('''if you have it already installed'''):
#**Open the Adobe Reader program from your Programs list
#**Click Help > Check for Updates
#**Follow the prompts for updating
#**If this method works for you, skip the "Download complete installer" section below and proceed to "After the installation" below
#*Download complete installer ('''if you do NOT have Adobe Reader installed'''):
#**SAVE the installer to your hard drive (save to your Desktop so that you can find it after the download). Exit/Close Firefox. Run the installer you just downloaded.
#**Use either of the links below:
#***https://support.mozilla.com/en-US/kb/Using+the+Adobe+Reader+plugin+with+Firefox ''(click on "Installing and updating Adobe Reader")''
#***''Also see Download link''': http://get.adobe.com/reader/otherversions/
#*After the installation, start Firefox and check your version again.
#'''Update the [[Managing the Flash plugin|Flash]] plugin''' to the latest version.
#*Download and SAVE to your Desktop so you can find the installer later
#*If you do not have the current version, click on the "Player Download Center" link on the "'''Download and information'''" or "'''Download Manual installers'''" below
#*After download is complete, exit Firefox
#*Click on the installer you just downloaded and install
#**Windows 7 and Vista: may need to right-click the installer and choose "Run as Administrator"
#*Start Firefox and check your version again or test the installation by going back to the download link below
#*'''Download and information''': http://www.adobe.com/software/flash/about/
#**Use Firefox to go to the above site to update the Firefox plugin (will also install plugin for most other browsers; except IE)
#**Use IE to go to the above site to update the IE ActiveX
#*'''Download Manual installers'''.
#**http://kb2.adobe.com/cps/191/tn_19166.html#main_ManualInstaller
#**Note separate links for:
#***Plugin for Firefox and most other browsers
#***ActiveX for IE
#'''Update the [[Java]] plugin''' to the latest version.
#*Download site: http://www.oracle.com/technetwork/java/javase/downloads/index.html (Java Platform: Download JRE)
#**'''''Be sure to un-check the Yahoo Toolbar option during the install if you do not want it installed.
#*Also see "Manual Update" in this article to update from the Java Control Panel in Windows Control Panel: http://support.mozilla.com/en-US/kb/Using+the+Java+plugin+with+Firefox#Updates
#* Removing old versions (if needed): http://www.java.com/en/download/faq/remove_olderversions.xml
#* Remove multiple Java Console extensions (if needed): http://kb.mozillazine.org/Firefox_:_FAQs_:_Install_Java#Multiple_Java_Console_extensions
#*Java Test: http://www.java.com/en/download/help/testvm.xml

Why does FireFox freeze and the only way to unfreeze it is to open the task manager and close the plugin-container.exe file??? It has been happening more and more often and it is getting VERY AGGRAVATING!!!!!

When Firefox does freeze (not responding appears in parentheses in the page tab) I am not able to access any of the webpages (the entire webpage is hidden behind a vaguely white transparent foreground) and more often than not any files I might be downloading are stopped before the entire file has been transferred - which means that I have to start those downloads from the beginning AGAIN. This has been happening for quite some time and I AM SICK AND TIRED OF IT HAPPENING!!
If it continues to happen for much longer I will swear off FireFox FOREVER!!!!! Either a program works or it does not work and lately Firefox has not worked worth a damn...........
The ONLY way to force Firefox to allow me to access it is for me to end the plugin-container.exe file process using Task Manager. Clearing there is a SERIOUS problem here that has not been resolved - why not???

The pluging container opens up unnecessary copies as the cookies/history are cleared, this is a known issue, it might be what you are seeing, and it is hoped to be fixed in some future release of firerox.
There are some hangs affecting some users, with symptoms being high cpu usage, occurring as bookmark changes or syncing is in progress, there is a work around for that.
Firefox hanging as you close it see:
*[[firefox hangs]]
* [[firefox is already running but is not responding]]

I cannot close firefox without closing the process via the windows task manager.

The X in the top right corner, the 'Exit' command under 'File', nor right-click+close on the taskbar will close Firefox. I have to press ctrl+alt+del, and close the process manually.

https://support.mozilla.com/en-US/kb/Firefox%20hangs See '''hang-at-exit'''

Firefox will not start. its not running in task manager and i dont have norton or skype. it ran yesterday when i updated to it now today it wont start

i had an older 3.somthing version of firefox it worked perfect. i updated to yesterday i loved it but today it just wil not open no errors nothing click on it and theres an hour glass then nothing. i went through you trouble shooting list as i said before but nothing matches this.

hello justin, thanks for reporting with your crash report ID. ironically this issue might be caused by a recent windows update (KB2670838). until there's a fix for it or an updated graphics driver that can solve the issue, please disable hardware acceleration in firefox.
while in safemode go to ''firefox > options > advanced > general'' & switch off hardware acceleration.

Every time i close firefox, to re-open it i have to either log out and log back in, or i have to go through the task manager and end the proccess, otherwise it just says fire fox if already running and it wont open, how do i fix this proble??

Everytime i am finished using Firefox, if i want to go back onto the internet, i now have to either log off and then log back on. or i have to use the task manager and close the firefox process, it is extrlmely annoying as i have to do it everytime, if i try and open firefor before i do either of what i have explained it just comes up with, firefox is allready running please close all windows to open a new one, or end the process...how do i stop this message from popping up every single time i use firefox????

https://support.mozilla.com/en-US/kb/Firefox+hangs#Hang_at_exit

I close Firefox then when I try to reopen it later it tells me its still running and I should close that before opening it again... But its NOT running in a way where I can close it!?! What should I do?

I am using Firefox in a Windows 7 64-bit environment. I have what I feel is a fairly standard set of programs installed. MS Office, Adobe Photoshop, Nero Burning ROM, Diskeeper... etc. And I have the latest regular version of Firefox installed, version 3.6.13.
And lately 2, out of 3, times I close Firefox it must not be closing correctly. But I cannot tell until I need to reopen it. Then I get an error message saying that it's already running and I should close the "current instance" of the software. Now I can either start up the task manager and kill it ... or I can restart my computer. And I've done both. But it keeps happening.
So I am wondering what might be causing this to happen? And If there is anything I can do to correct the issue?

For more information see [[Basic Troubleshooting]], under
'''4. Restart Firefox in Safe Mode'''

When I close firefox I attempt to reopen, it wont load...looking in task manager shows it as a process, i need to, end the process to restart firefox, Why?

when I start firefox, then close it..and attempt to restart it, I get a message that its loaded....but its not...but I see it as a process in task manager.I end the process..then start firefox again...........constant problem...............windows 7 system...8gb ram g4bit

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.

When I close Firefox, then later want to start up again, I get I message that Firefox is still running. With "START TASK MANAGER", I need to close Firefox in order to start again.

When I close Firefox, then later want to start up again, I get I message that Firefox is still running. With "START TASK MANAGER", I need to close Firefox in order to start again.

I have the same problem. Firefox won't unload regardless of how long I wait. Literally hours ... I must go in and 'end the process'. This has been a real hassle for a while now. Even considered giving up on firefox. Please look into this! An additional problem; I have to run firefox to get the updates, but I can't get the updates to take because I can't get firefox to unload so I can restart it.

How do I stop Firefox from thinking it crashed and doing a recovery when forced to use Windows Task manager to close a bad URL that I never want to go back to?

Long question, I know :~) There are web sites that I may visit that will not allow me to exit the site, so I use Alt-Ctrl-Del in Windows to start the Task Manager and force the site to close by ending the program. The new version of Firefox (31.0) thinks that Firefox crashed and send me right back to the source of my problem.
Your documentation for this process is as follows:
After a crash
Due to unexpected issues such as problems with a website, software errors, or an accidental loss of power, Firefox may unexpectedly close. In these situations, Firefox can restore the pages that you were visiting when it is restarted. Firefox will automatically restore your previous session, the first time you launch it after a crash.
If Firefox crashes a second time, the Restore Session (i.e. "Well, this is embarrassing") page will appear when you next launch Firefox.
...and this is what I found trying to stop this process. Next, when I am forced to use Task Manager to close Firefox a second time to stop a badware site, then the 'Well this is embarrassing' dialog appears and I am finally safely away from the URL.
I do not want Firefox automatically sending me back to a problem site.
Thank you for any procedure you can suggest to stop Firefox from restoring problem web pages, Art Clapton

I am unwilling to attempt navigation away from these sites. The pop-ups that occur on the attempt to leave a site or to close the browser are exit traps offering incentive to stay.
Once upon a time, when the internet was less dangerous, I would be willing to close the exit pop-ups. Now, after twice being infected with malware trying to close the pop-ups, I now force close whichever browser I am using.
Recently, I clicked on the red X to close one pop-up, and it installed a trojan that I had to pay to be removed. When I clicked on 'Leave' in another exit pop, it didn't exit and it turned out I was giving permission to run a script file. Now that criminals have learned these exit pop-ups can be used to force a click action, the sites using them have become dangerous.
If I force the browser to close using Task manager, Please tell me how to stop FireFox from sending me directly back to the same site because it mistakenly believes it crashed when it did not. I forced it to close because I was on a site that had taken control of my browser and was not allowing me to leave the site.
No other browser sends me back to the potentially dangerous sites. I prefer Firefox, but the new version must have a setting that allows me to get safely away from a problem site?

ITUNES WONT OPEN UNLESS I GO INTO SLEEP MODE AND THEN WAKE.

I recently update to itunes 11. the problem is when it wont open unless i go into sleep mode and then wake the pc from it. Steps first double click on itunes to open it. nothing pops up. in task manager it shows that itunes is running. i press the power button to put the laptop into sleep mode. after about a minute i wake the computer again. wallah itunes is suddenly open. its almost as the sleep mode allows it to open. i dont know what to do ive tried everything. HELP PLEASE!!

ive tried uninstalling and reinstalling. ive tried messing around with bootup prefs. ive tried to see what apple services should be running. ive tried end task itunes then end task other prgrams and tried to open it again. ive tried deleting the sc info folder.

When closing my Firefox window, all processes are not closing requiring me to open task manager and kill the process before using Firefox again. Received recent upgrade and hasn't worked right since then.

I open Firefox, use it, then close the window. Try to reopen Firefox and it fails with a message that a previous process is still running. Requires me to open Task Manager and kill the old process.

Try to wait a bit longer before reopening Firefox to give Firefox more time to close completely. 
Try to use "Firefox/File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit") to close Firefox if you are currently doing that by clicking the close X on the title bar.
See "Hang at exit":
*http://kb.mozillazine.org/Firefox_hangs
*https://support.mozilla.com/kb/Firefox+hangs

When I close Firefox then wont reopen unless I go to task Manager and close program from there.

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