I keep getting the msg 'Firefox is already running...need to close out or restart...'; can't get it to reopen a window w/o restarting
During any session at my computer if I mistakenly close out Firefox and then need to reopen, I get the message that "Firefox is already running...need to close current (window)...or restart your system.." No matter what I do, I can't seem to reopen a Firefox browser window without restarting my computer. The same problem occurs when i leave my computer in Sleep mode for a few hours, and return for another session. I try to double click the desktop icon to open Firefox, and get the same message. Restarting my computer is the only way I am able to open a Firefox window.
Do you still have a [http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder] ?
* [[Firefox is already running but is not responding]]
* http://kb.mozillazine.org/Profile_in_use
Similar Messages
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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 ArtmanFor possible causes see [[Firefox is already running but is not responding]].
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When I try to run 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."
No copy of firefox is running as far as I can tell. Restart and restoring system to 10 days ago did not help.
Uninstalling and downloading a new copy - but to not avail.See:
* http://kb.mozillazine.org/Recovering_a_missing_profile
* http://kb.mozillazine.org/Profile_in_use
Do you still have a default profile?<br />
If not then delete the file [http://kb.mozillazine.org/profiles.ini_file profiles.ini] to make Firefox create a new default profile.
* C:\Documents and Settings\<user>\Application Data\Mozilla\Firefox\Profiles\<profile>\ -
On my iPhone 4, I cannot get the "not enough storage on iCloud" message to close. Therefore, I can't get past this box/screen AND I can't turn the device off. Please help.
Try resetting it by holding the power and home buttons at the same time until you see the Apple logo, then releasing. You won't lose any data by doing this.
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My daughter downloaded Babylon (incredibar) malware and we tried to reset Firefox. It got hung up and I closed the window. When I tried to restart Firefox, I got the messsage "Firefox is already running...". I uninstalled and reinstalled Firefox as well as restarting the computer a number of times. I followed the Mozilla help info and deleted the profile locked. parent(?). I use Windows 7 Ultimate.
hello sdandccids, unfortunately this babylon software is hooking-in deeply into the system. especially the component browsemngr.exe (+dll) is known to crash firefox and possibly might also cause the issue you're experiencing.
please go into the windows control panel > programs section and sort the software according to installation date & then remove all entries that got installed at the same date as the babylon toolbar and you're not familiar with ([https://support.mozilla.org/questions/935739#answer-367152 according to babylon] this might be "Browser Manager" + "Bprotector" + "Object Installer" + "Babylon Toolbar on IE").
in case this doesn't work or there are no such entries showing up, please hit ctrl+shift+esc and search if there is a file named browsemngr.exe showing up as running in the list of processes - if so here are instructions for a manual removal (unfortunately quite technical): www.explosiveknowledge.net/main/2012/08/19/browsemngr/
otherwise you can also try a "clean uninstall". uninstall firefox from the windows control panel & chose to remove all personal data. afterwards manually check if the firefox program folder got deleted (it's usually in ''C:\Program Files\Mozilla Firefox'') and else remove it manually. then download & install a fresh copy at getfirefox.com
i'd furthermore recommend doing a full scan of your system with the security software already in place and/or a different tool like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes] since this firefox start-error can also be a sign of other [[Troubleshoot Firefox issues caused by malware|malware]] active on the pc. -
What causes this and how can I fix it. It is really irritating having to restart my pc everytime.
There are a few possible causes for this error, for details see https://support.mozilla.com/kb/Firefox+is+already+running+but+is+not+responding
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There is a page on the support site that attempts to adress the issue...but it never says how to fix it. https://support.mozilla.com/en-US/kb/Firefox+is+already+running+but+is+not+responding
Apparently there is a problem with the "profile", and on this support page, it has a link about working with the profile...if you go to that page, is tells you where the profile is, and the many things it does...but it does NOT say actually how to fix this problem. It tells you to go the the Help tab at the top of the browser, then select "Troubleshooting", and then under Profile, select "Open Containing folder"...which brings up the folder with all the files...but from there...it doesn't say what to do. I also have gone to the Start tab at the bottom of Windows (Windows XP--I've got Firefox 3.6.9) then Run and opened the profile box...but there are no instructions on what to do to fix the problem. I can open Firefox only by going to Crtl-Alt Delete and opening the process tab and ending the Firefox process...but this is not a fix. Help! thanks...You need "sysinternal's process explorer", it is free and can replace the Microsoft process explorer, that you get by "CTRL+ALT+DELETE". Either program will allow you to kill the instances of FF that didn't die as they should have, when you closed them. Sysinternal is easier to use, it is a graphic display with many options. Do not push "CTRL+ALT+DELETE" twice unless you want to reboot, that is its default behaviour under Microsoft.
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Here is what I am running:
Microsoft Windows 7, Service Pack 1, Fully updated to 4/10/2012
Fresh Install of Firefox 11. No add-ons enabled as a result of troubleshooting.
I am a user with administrator rights
UAS is disabled.
To begin, this has been going on Since Firefox 10 or so. A few months now.
I am able to open Firefox. My add-ons worked (ABP, Flashblock, ABP Element Hiding Helper, IETAB2, Downthemall, Greasemonkey, 4chan extension) had no problems. Firefox is set and has been set for the last two years as my default web browser.
However Since approximately Firefox 10 or so, maybe before that, If I have a Firefox session open, and any other application attempts to open a session in a new window, I get the Firefox is already running, but not responding error."
I attempted to follow troubleshooting advice already posted (look for parent.lock files left behind [none present], multiple sessionstore.js files [none present], create a new user profile, attempted to clear out the "read-only" permission in windows 7, however as soon as it is cleared, the read only permission returns.)
As a last resort, I deleted the Firefox folder, the %APPDATA%/Mozilla directory in its entirety, then utilized CCleaner to remove any and all references to Firefox in the windows registry, then did a full re-install, no extensions installed right now.
I checked preferences and have the option "open new windows in a new tab" checked off. The problem persists regardless if this option is checked on or off. This problem persists in or out of safe mode, even with the brand new install.
Test Cases:
All cases:
Firefox is selected as the default browser for windows 7
Case 1: Open a firefox session. Utilize any other program that attempts to open a link to their website in a new browser window or new browser session. Experience "Firefox is already running" error
Case 2: Open a firefox session. Right click on Firefox on the task bar. Select "open in new window". Experience "Firefox is already running" error
Case 3: Open a firefox session. Select the Firefox Menu > New tab > New Window. A new window will actually open.
This is the only method of opening a new window in the same browser session or profile that actually works on my system. Attempting to open a browser session from the task bar "open new window dialog" or opening a new window while a current window/session is running will not open firefox in a new window or a new tab in the current session. The "Firefox is already running, but is not responding" error will occur every time.Cor-el's suggestion resolved my problem. Apparently the MOZ_NO_REMOTE variable was set to 1 on my system variables. I never made it, and really have no idea how it got there, but deleting this variable and restarting firefox has resolved the issue. Thanks Cor-el!
Marking case: Solved
Solution: Verify the MOZ_NO_REMOTE variable is NOT set to 1. This can be achieved by simply deleting this variable. -
Firefox will just stop loading/ connecting to the internet. The gray circle will just continually move but it never turns green to load the pages. I know it's not my internet because my internet explorer works just fine while this is happening to firefox. So I close firefox and then try to re open it but 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. So I wait a little bit then try and re open it and still get the same message. I then go into my windows task manager and try and end the firefox proccess but it won't end. So I restart my computer and firefox eventually starts acting up again.
For possible causes of this error, and how to troubleshoot it see [[Firefox is already running but is not responding]].
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Even after uninstalling, reinstalling Firefox, the Firefox profile folder is empty, and 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 have followed all the directions I can find, on my computer and Firefox Support. Still, the same message comes up, and "firefox" is not shown in my Windows Task Manager.
What can I do?Delete the profiles.ini file and let Firefox create a new default profile.
* http://kb.mozillazine.org/profiles.ini_file
* http://kb.mozillazine.org/Profile_folder_-_Firefox#Files_and_folders_outside_the_profile_folder -
Keep getting this 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, cannot view open window or close Firefox. Have to always reboot system to access the internet.
For possible causes of this error, and how to troubleshoot it see [[Firefox is already running but is not responding]].
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I love Firefox and don't want to use a different browser, but the error "Firefox is already running but is not responding" is driving me crazy. The reason I get this error is because I frequently use http shortcuts from my desktop or click links from within a thunderbird email. I hope someone has a solution other than "just use bookmarks" or "just end the task". This is a legitimate (and major) bug and should be fixed! Thank you.
Hello,
See this help article, maybe help:
*[https://support.mozilla.org/en-US/kb/firefox-already-running-not-responding "Firefox is already running but is not responding" error message - How to fix it] -
when i try to set up my icloud account the system says it is sending me an email to verify. I never get the email and it is not in my spam filter. How can i get set up??
Make sure that your Apple ID is your email address and you do not have any other or old IDs associated with you. Go to www.appleid.apple.com and confirm this info. Make sure that the email address you are trying to sign up with is your primary one.
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Is anyone else getting the " itunes encountered a problem and needs to close " message on xp
is anyone else getting the " itunes encountered a problem and needs to close " message on windows XP
I did get a "server busy" message when I loaded quicktime, but I'm not sure if it is related or not since I've been seeing that over the last couple of days, I can't remember if it came before iTunes stopped working or not. That message reads "This action cannot be completed because the other program is busy. Choose 'switch to' to activate the busy program and correct the problem." My options then are to choose switch to or retry. When I press "switch to" my Start menu opens, and nothing appears to happen when I select retry.
that's an odd sort of a message (or series of messages).
hmmmmm. let's try an experiment aimed at working out if there's a program interfering with the QuickTime (which is in turn causing grief with your iTunes).
try a selective startup using MSCONFIG, with just the itunes and QuickTime background processes enabled, as per the following document:
Using MSCONFIG to troubleshoot conflicts in Windows
does QT open without the strange message after the selective startup?
does iTunes launch properly? -
i have restarted my computer and i have uninstalled firefox and re-installed it but i still get the same message i have also tried safe mode and it still has not worked, and i have recently gotten rid of a trojan virus
Do you still have a [http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder] ?
* [[Firefox is already running but is not responding]]
* http://kb.mozillazine.org/Profile_in_use
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