Firefox thinks its running but not responding shut computer down won't clear deleted and reinstalled still won't clear , what next?

I have seen this error before and normally if you close down you system and restart it will clear up but not this time. I even uninstalled and reinstalled firefox. started this morning when facebook went down for maintaince. that was about 8 it 2 now and I still can't clear it what can I try next?

See
* [[Firefox is already running but is not responding]]
Try closing any running instances of ''firefox.exe'' (and plugincontainer.exe) using something such as Task Manager. That should allow you to then restart Firefox.
As for iLivid. Possibly it also has associated apps or extensions with names not including the word iLivid. Looking at their own FAQs there are instructions to remove iLivid using the Windows Control panel, and mention of other bundled software that you may wish to remove. It seems it is more of a nuisacne rahter than out and out malware.
* see http://www.ilivid.com/faq.htm (page scrolls for more info) but includes:
How do I uninstall the software?
The software can be removed in a simple was like any other software:
Go to the Windows Start menu and then to Control Panel > Add/Remove ("Programs & Features" in Vista & Windows 7) and click "Remove" next to the software name (e.g iLivid Download manager / Windows iLivid Toolbar ).
During the installation bundle software are offered, each can easily be removed following those instructions: Uninstall Yontoo Addon , Uninstall Search Toolbar (powered by Bing) or Uninstall Babylon.

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"Firefox is already running but not responding" - have tried all the usual solutions.

The message I'm getting is the standard: "Firefox is already running, but is not responding." I'm using a PC with Windows 7.
I've tried:
- Opening task manager and manually ending the process. This didn't work because the process is not listed in applications, processes, or services.
- Deleting the parent/lock file. This didn't work because the file is not in any of the firefox folders. I've checked APPDATA/Local/Firefox as well as APPDATA/Roaming/Firefox, and the original install folder just to be thorough. It's not a hidden file either - I have those set to display.
- Creating a new profile and importing settings from the old one. I can't import settings because the old profile is still running.
- Restarting before and after each of these potential solutions, including restarting in safe mode, shutting off the computer and waiting a bit before restarting, etc.
All I really want back are my bookmarks, which I've spent quite a while creating. Unfortunately, there is no file I can find for the default profile that has the bookmarks stored. When I created a new profile, a folder appeared with its name in the APPDATA/Roaming/Firefox folder, with all of the bookmarks, etc. There is no such folder for the default profile though - which is the one I want. I've even tried switching to Chrome and importing bookmarks, but that doesn't work because the bookmarks can't be imported while Firefox is still running.

Does a new profile work?<br />
* http://kb.mozillazine.org/Creating_a_new_Firefox_profile_on_Windows
If there is no profile present then you also get that error about "Firefox is already running but not responding"
If you uninstalled Firefox at any time in the past and removed your personal data or deleted that profile folder yourself then you no longer have a profile to start with or restore files from.
See:
* http://kb.mozillazine.org/Recovering_a_missing_profile
* http://kb.mozillazine.org/Profile_in_use

Firefox is already running but not responding,No process in task manager,Restart and uninstall not useful.Profile manager error

So one day when I opened my mozilla firefox Ive got the "Firefox is already running but not responding.To open a new window,you must first close the existing firefox process,or restart your system."
So I checked my task manager but there is no process,I then checked hours in the internet to find a solution.Yes,I also checked for solutions in this site.Then,I try uninstalling and restarting,it also didn't work,Next I also tried downloading profilemanager and tried to run it but as unlucky as I can be,it also didn't work. Please help :(

The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information.
Note: ''This will cause you to lose any Extensions, Open websites, and some Preferences.''
To Reset Firefox do the following:
#Go to Firefox > Help > Troubleshooting Information.
#Click the "Reset Firefox" button.
#Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
#Firefox will open with all factory defaults applied.
Further information can be found in the [[Reset Firefox – easily fix most problems]] article.
Did this fix your problems? Please report back to us!

I am connected to the internet and I close all tabs on the screen. Now I want to open a new tab, but Firefox opens a pop-up window stating"Firefox is already running, but not responding . To open a new window, you must first close the existing Firefox pr

I am connected to the internet, but all tabs are closed. Now I want to open a new tab, But Firefox pops-up with "Firefox is already running, but not responding. To open a new window, you must first close the existing Firefox process, or restart your system". Does anyone here know how to fix this? Thank´s, BL.
== This happened ==
A few times a week

Firefox is shutting down windows I want to remain open. Example: I am done viewing one window. I click the X to shut the window and it shuts two windows. Every single time, attempt to close one windows, two windows close. Lately, I have been opening several windows with nothing but google search, just so it will shut that window and not something else I want to remain open. I could understand this if I was using tabs, but I am not. This has been going on for over two weeks. I don't like going back to history to open a window, I did not want closed in the first place. Isn't that what 'Windows' is all about? Any ideas?

Firefox 29.0.1 on Windows 7 (64-bit): ALWAYS get "Firefox is already running but not responding..." error and need Task Manager to close/restart Firefox.

I run Firefox 29.0.1 on Windows 7 (64 bit) and I get the "Firefox is already running but not responding. In order to open the program you must close the existing window." error. EVERY TIME I try to start Firefox. The posted solution works to start the program, but it is not a permanent solution. I go through the Task Manager and end the old Firefox process, then I can open a new window. While working, I can open multiple tabs and multiple windows, everything seems to (usually) work the way it should. Then after I completely exit Firefox, in order to open the program again I need to fix the SAME error again. Every time. It doesn't seem to hurt anything really, but it is quite annoying.
I used to get this same error on some of the older Firefox versions but it was only once in a while. With the new 29.0.1 it is literally EVERY TIME I TRY TO RUN FIREFOX!!!!
So, down to the big question: is there a permanent fix for this yet? Or will there be one included in the next version update? Or am I going to have to go back to Internet Explorer? I know I am not alone in this experience; i've seen several other users posting similar questions but none of them received satisfactory answers. So what's the story here, team Firefox?

'''https://support.mozilla.org/questions/997866?esab=a&s=&r=1&as=s'''.<BR>
This is not a cure but will make it easier if Firefox locks up.

On switching on, a message says 'Firefox is already running but not responding...........' then tells me to close it and restart but how can I close it when the page isn't yet displayed?

When I switch on my computer I get the desktop then I try to click on Mozilla Firefox but get the message, 'Firefox is already running but not responding. To open a new window you must first close the existing Firefox process or resart your system.' I looked up how to close but I need to click on 'file' then 'exit'. How can I do that when I can't see the page yet? IE is working fine.

See also [[Firefox is already running but is not responding]]

It always says:Firefox is already running but not responding; what can i do to fix this problem; it has only started after having downloaded the latest verion.

I downloaded the latest version of firefox and the problem has started; it aways says: "Firefox is already running, but not responding. To open a new window you must first close the existing Firefox process or restart your system; I have to do this about 3 times for the internet to come on again; what can I do, short of calling a technician??

Please read this article: [[Firefox is already running but is not responding]]

Firefox is already running, but not responding to open a new window

I closed the only opened Firefox process that was running. Then clicked the Fox to start Firefox again. I received a message: Firefox is already running, but not responding, to open a new window. You must close the existing Firefox process, or restart your system. This is a stupid message since there is no Firefox in process.
== This happened ==
Not sure how often

Hello Lara.
Hopefully this support article is what you need:
http://support.mozilla.com/en-US/kb/Firefox+hangs#Hang_at_exit

I can't open my itunes store. I can open my music library and sync but not open my music store. I have deleted and reinstalled ituens and still not good. Help

I can't open my itunes store. I can open my music library and sync but not open my music store. I have deleted and reinstalled ituens and still not good. Help

I assume you are talking about iTunes on your computer, if so, you will have to remove all Apple programs associated with iTunes:
iTunes, QuickTime, Apple Software Update, Apple Mobile Device Support, Bonjour and Apple Application Support (iTunes 9 or later)
Make sure everything that is by Apple is removed including Safari. You can sort by "Publisher", when you uninstall programs. Make sure you have at least one other web browser (like Firefox or Internet Explorer) before removing Safari. That way you can go back to the Apple web site and redownload iTunes later.
Reboot the computer then reinstall iTunes. Everything should work normally.

V6.01, Windows 7, click on icon, "firefox is already running but not responding" Task manager doesn't know about it. I can't quit it or get it to load. Brand new install. What to do?

Brand new Lenovo computer, Windows 7 Home. New install of Firefox 6.0.1, set as default browser, don't launch when I click done. Icon appears in tray. I click the icon, and a message says "firefox is running but not responding. To open a new window, you must first close the existing process, or reboot". It's not obviously running. I can't find a way to make it quit. Task manager doesn't list it as a current application. Uninstall using the control panel uninstall function and then reinstalling gives the same message. Rebooting doesn't fix the problem and gives the same message. Firefox had been working until I tried to update my bookmarks.

No can do. I can delete the current profile and install Firefox, which should create a new blank profile. The message still says "Firefox is already running." I can place my old profile in the proper folder, and Firefox will still be already running. I can't actually use Firefox, because even though the message says it is running, there is nothing on the screen I can access.
After uninstalling Firefox, deleting the two items left in the Programs folder, and deleting the profile again, it still didn't work. I then got frisky and from the Roaming folder I deleted the Mozilla folder which contains the Firefox folder which contains the now empty Profiles folder. That worked, and a new set of folders with a new blank profile were created. So apparently it was the empty folders that never got deleted that were causing the issue.
Thanks for your suggestion. It got me thinking.

Every time I try to load firefox, WindowsXP says firefox is already running but not responding and before it can load another I have to shut down the one running and reboot my computer.

My problems started when I downloaded Ilivid downloader, after I loaded the program and watched the short video the program started messing up my computer. It spread itself all over my hard drive, changed my homepage, my search engine, locked me out of being able to change certain settings, made some of its files undeleteable and since then my firefox will not load. I removed my version of firefox and reinstalled it several times. I still got the same response. I went into the registry and deleted all references to Mozilla and Firefox and reinstalled it again, same response. I spent days trying to delete all references to ilivid downloader and every file I could find that made any reference to ilivid. I hope you can help me with my problem. I like using firefox and would like to start using it again. Thanks

See
* [[Firefox is already running but is not responding]]
Try closing any running instances of ''firefox.exe'' (and plugincontainer.exe) using something such as Task Manager. That should allow you to then restart Firefox.
As for iLivid. Possibly it also has associated apps or extensions with names not including the word iLivid. Looking at their own FAQs there are instructions to remove iLivid using the Windows Control panel, and mention of other bundled software that you may wish to remove. It seems it is more of a nuisacne rahter than out and out malware.
* see http://www.ilivid.com/faq.htm (page scrolls for more info) but includes:
How do I uninstall the software?
The software can be removed in a simple was like any other software:
Go to the Windows Start menu and then to Control Panel > Add/Remove ("Programs & Features" in Vista & Windows 7) and click "Remove" next to the software name (e.g iLivid Download manager / Windows iLivid Toolbar ).
During the installation bundle software are offered, each can easily be removed following those instructions: Uninstall Yontoo Addon , Uninstall Search Toolbar (powered by Bing) or Uninstall Babylon.

When I use a GSI external antenna for WiFi I first get a message that "Firefox is already running but not responding etc", and then Firefox crashes. Can anyone help please?

Because of weak WiFi signal I need to use an external antenna (GSI USB wireless WIFI long range network adapter). My computer can see the signal clearly and shows that I am connected to the right network. But when I try to launch Firefox I get a message that "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." When I click "OK" Firefox tries to load websites but gives up and reports "Problem Loading". It looks like Firefox is having trouble "seeing" the signal from the external antenna. What do I need to do please?

Try Ubuntu support, I don't think your problem is with Firefox - it will use the connection that the Operating System "makes". I'm a real noob with Ubuntu myself, and don't think I can help you figure out the problem.
http://ubuntuforums.org/

When I open Firefox I get the message "Firefox is already running but not responding . . .

I am using Firefox 3.6.9 with Windows XP SP3. Almost every time I try to open Firefox I get the 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."
I then must open Task Manager and find Firefox and stop the process.
I run Firefox on 4 Windows machines and this is the only machine that I have this problem on.
I have looked at the Mozilla Firefox KB and have tried to check on the items that could be causing the problem. I have update my Java in Firefox. I have un-installed Firefox leaving the Bookmark preferences, etc. on my machine, ran CCleaner to clean the Registry of remaining Firefox items and then re-installed Firefox - I still have the problem.
I have installed Google Chrome to fix this problem but now I find that several of the websites and companies I do business with are not compatible with Chrome.
How can I fix this problem? Why am I only having this issue on 1 of my 4 Windows machines?
Thanks!
Bill Artman

For possible causes see [[Firefox is already running but is not responding]].

Firefox is already running but not responding/random page-load stalls.

Lately when I use Firefox, everything works initially when I first open a browser and start my browsing session, however, when I come back to my already opened browser from my desktop either being asleep or in screensaver mode, the browser will often no longer load webpages. I then go to close the browser to reopen it, I receive the error 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."
I've researched this error, and some discussions mention it deals with the default profile for the browser. I deleted the default profile, and created a new profile, and still receive the same issue. Also I have downloaded, uninstalled, and have done a clean reinstall of Firefox 4.01 and still receive the issue.
Do you know what could be the problem? Thanks for your help.

Access Rights
It would be better if someone with Vista knowledge answered you.
I use XP pro & XP home edition so do not know answers for Vista. XP pro gives detailed security info and settings, XP HE it is a lot move difficult to figure out, and displays a greyed out tick/check-mark as the folders ''Read Only'' attribute. If you look within the folder you will see files such as ''places.sqlite'' as long as such files have very recent dates/times you can assume firefox does have write permissions on the files.
As a test I suppose you could create a new profile and using profile manager create the profile folder on the Windows desktop, where you can be sure you will have access rights to it.
I suggested changing the sleep settings etc, because if you suspect it is the sleep etc function causing the problem that may show up quickly if you change the OS settings to a short delay before it sleeps.
Presumably when you see the error messages you are seeing the firefox.exe process is still running when you look in Task Manger. Try deliberately bookmarking open tabs to a folder and closing all but a blank page tab before closing down firefox that may help remedy the problem.
You could also check to see if you have multiple copies of sessionstore.js (you will loose session restore info if you delete them, but at least move them out of the profile, they could be a cause of the problem) see http://kb.mozillazine.org/Firefox_hangs#Multiple_sessionstore.js_files

I have windows xp and am told firefox is already running, but not responding and I have to close existing firefox process or restat. neither works, suggestions?

I have gone to windows manager and deleted the firefox process.
I am able to use explorer and firefox as another user, but not on my primary account.

This Knowledge Base article may help you: http://support.mozilla.com/en-US/kb/Firefox%20is%20already%20running%20but%20is%20not%20responding

Firefox thinks its running but not responding shut computer down won't clear deleted and reinstalled still won't clear , what next?

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