Firefox is running but invisible.....this is rediculous.

In india every one has complaint about firefox. It is running but not visible,its crashing like hell....Three years before it was not so.What happend now. reserch make a software pity....Thank you, I remember it is a freeware.We have no
rights to complaint more.

Versions prior to version 3.6.4, install and run normally, but the subsequent install but do not work in Task Manager, it appears as if it had opened, but the desktop is as if it were closed and does not respond. I installed the pre-alpha version 4.0.3 and happened the same thing. Please give me a light, ja I consulted on the Internet and I didn't find nothing. Already deleted the profile and created another, ja deleted the folder profiles and none of it solved. Never seen similar problem

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I have the latest version but I am continually told that Firefox is running but not responding and that I need to close Firefox or restart my computer to clear the problem. Why is this happening?

I have the latest version but I am continually told that Firefox is running but not responding and that I need to close Firefox or restart my computer to clear the problem. Why is this happening?

See "Hang at exit":
*http://kb.mozillazine.org/Firefox_hangs
*https://support.mozilla.com/kb/Firefox+hangs
See also:
* http://kb.mozillazine.org/Profile_in_use
* https://support.mozilla.com/kb/Firefox+is+already+running+but+is+not+responding

FIREFOX IS RUNNING BUT NOT APPEARS

FIREFOX IS RUNNING BUT NOT APPEARS Hello, I'm with problem after I updated Firefox to version 3.6.4 and then to 3.6.6, 3.6.8 and also installing direct either version. Is the following, simply I click on browser shortcut and it doesn't open, ja tried everything, reinstalled, spent registry cleaners, ja installed straight from the website and nothing. Versions prior to version 3.6.4, please send to my email [email protected] , [email protected] Thank you

Versions prior to version 3.6.4, install and run normally, but the subsequent install but do not work in Task Manager, it appears as if it had opened, but the desktop is as if it were closed and does not respond. I installed the pre-alpha version 4.0.3 and happened the same thing. Please give me a light, ja I consulted on the Internet and I didn't find nothing. Already deleted the profile and created another, ja deleted the folder profiles and none of it solved. Never seen similar problem

I have installed firefox 3.2.64. When i click on the desktop icon nothing happens. The windows task manager says mozilla firefox is running but I can't see it anywhere. What might the problem be?

Question
I have installed firefox 3.2.64. When i click on the desktop icon nothing happens. The windows task manager says mozilla firefox is running but I can't see it anywhere. What might the problem be?

A possible cause is security software (firewall) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
See:
*https://support.mozilla.com/kb/Server+not+found
*https://support.mozilla.com/kb/Firewalls
See also:
*http://kb.mozillazine.org/Browser_will_not_start_up

After stopping FF when I restart it , I get a pop up displaying Firefox already running but not responding. Please Help?

After stopping FF when I restart it , I get a pop up displaying Firefox already running but not responding. Please Help?

There are several possible causes, see [[Firefox is already running but is not responding]].

I can't open firefox the running but not responding window opens and says to close the existing window. I can't do that shutting down the computer doesn't do anything to help. I've done all the suggestions here. I've uninstalled and reinstalled firefox

Firefox will not open. I get the firefox is already running but not responding window... I have tried rebooting with no help. I have tried to end the process via cntrl+shift+esc and nothing firefox is listed to end. I have tried find the app data via the run icon in the start up window, I have no run icon on this system (Acer with windows vista(?)
== This happened ==
Every time Firefox opened
== The computer was hard shut down and did a improper shut down scan when it was restarted ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; FunWebProducts; GTB6.5; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729)

I am having a similar problem. Running Xp.
Latest revision of firefox.
After using firefox for a while if I exit, parent.lock is locked and i have to reboot to reload firefox.
I have killed all firefox applications from task manager (usually there are none). and I have tried 3 different "file unlock" programs including unlocker to no avail.
I also recently installed a program that shows -all- open files, and parent.lock is not listed, and thus not closable/unlockable from there.

Firefox 27 running but not running

I'm running Windows 7 32-bit. When I installed it, I installed Firefox 27. It worked fine. Then, out of the blue, it began freezing--not momentary, but the kind of freeze which forces one to "crash" shutdown. Sometimes 5 minutes into using firefox, sometimes 30, sometimes almost instantly, and I had no idea why. I tried removing 'plug-in container', which seemed to help, although I still noticed 1 or 2 instances where there'd be momentary freeze. Still, I got along.
Then, maybe a week ago, Firefox suddenly "vanished" as in the problem where its "running" but isn't visible. I opened task manager. Firefox.exe was on the processes tab, but not on the applications tab. Nothing I did could induce it to open. Finally, overly annoyed at what was supposed to be a stable installation, I went with 28, the current beta. I "imported" my personal data. All good so far. I opened a website I frequently visit--the font was much smaller than it was last time I was there (using F-27). Nothing I tried changed the page size, but it wasn't a huge deal. So I moved my extensions\add-ons in. My appearances\themes weren't there, all extentions were, and I think all of my other add-ons were also there (I think). But none of this did me any good cause Firefox decided the only way it was goina start was in safe mode. (I'm pulling my hair by this point)
Extremely annoyed, I removed F-28 and re-installed F-27, but its still the same problem--not opening even though task manager says its running. I looked around here at the solutions to similar problems, but was unable to find any that helped me. Anyone have any idea whats going on?
Thanks

Hi Firefox-117,
Thank you for posting your question, and apologies for the delay. I understand that you tried 28 and went back to 27 with the same profile, it now only starts in safe mode and it may have all the add ons there. When Firefox is in safe mode, to make sure, all of the add ons will still be listed in the add on page (about:addons)
It sounds like one of the add ons is causing the issue, since it only works in safe mode. By process of elimination it is possible to turn off all of the add ons and turn them on one by one to find out with one is causing it to freeze. There are also troubleshooting steps in this article: [[Firefox hangs or is not responding - How to fix]]
Hope this helps!

Firefox process running, but no window?

Firefox crashed while I was away from my
computer (Windows XP, FF 7.0.1). Re-starting
caused the firefox.exe process to appear in the
task manager, along with 7 plugin-container.exe
processes, but no Firefox window appeared.
Re-booting and re-starting FF gave the same
result. Then, after several minutes, while
reporting this bug via IE, suddenly the FF
window appeared, and restored the tabs that had
been up when it crashed.

'''Open a second window (not a second tab, that is different) when Firefox is already running and displayed on the monitor'''
*Firefox button > New Tab > New Window
*CTRL+N
*'''''If using the Menu Bar''''': File > New Window
**To '''''temporarily''''' display and make choices from the Menu Bar press the ALT key or the F10 key
**Also see: https://support.mozilla.com/en-US/kb/Menu%20bar%20is%20missing
'''Firefox "hang on exit"'''
#Stop the Firefox process:
#*[http://kb.mozillazine.org/Kill_application Mozillazine - Kill application]
#*Windows 7 users click [http://www.techrepublic.com/blog/window-on-windows/reap-the-benefits-of-windows-7s-task-manager/2576 here]
#Why Firefox may hang:
#*[http://support.mozilla.com/en-US/kb/Firefox+hangs Firefox hangs] (see Hang at exit)
#*[http://kb.mozillazine.org/Firefox_hangs Firefox hangs (Mozillazine)] (see Hang at exit and Closing Firefox properly)
#*[https://support.mozilla.com/en-US/kb/Firefox+is+already+running+but+is+not+responding Firefox is already running but is not responding]
#Use Firefox Safe Mode to find a problem with an Extension or Plugin:
#*Don't check anything when entering Safe Mode, just continue
#*If the problem does not occur in Safe Mode it is probably and Extension or Plugin causing the problem
#*See:
#**[[Safe Mode]] and [http://kb.mozillazine.org/Safe_Mode Safe Mode (Mozillazine)]
#**[http://support.mozilla.com/en-US/kb/Troubleshooting+extensions+and+themes Troubleshooting extensions and themes]
#**[http://support.mozilla.com/en-US/kb/Troubleshooting+plugins Troubleshooting plugins]
#**[http://support.mozilla.com/en-US/kb/Basic+Troubleshooting Basic Troubleshooting]
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''

"Firefox is running" but not visible in task bar

"Firefox is running" is message on screen but there is no evidence of that and it does not appear on the taskbar so it cannot be "closed." What now?
Can't get access to Yahoo Games. Why? Must use IE to get to games. Why?

This may not be the best or only way to do this on version 2.1 but you can try these steps:
Login as the schema that owns the application. Go to SQL Workshop and run:
select v('WORKSPACE_ID') from dual;
Say that returns 9999999999999.
Say your application ID is 555.
Now connect in SQL*Plus as FLOWS_020100 and run this:
begin
wwv_flow_api.set_security_group_id('9999999999999');
update wwv_flows set build_status = 'RUN_AND_BUILD' where id = 555 and security_group_id=9999999999999;
commit;
end;
Scott

Get message firefox already running but not responding when trying to launch..tells me to close firefox wondow and try again (no ffox window is open)

When trying to launch Firefox I get the following 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."
This is not the first time and I am tired of having to restart my computer. BTW I have Firefox as my default browser, but had to use IE to get to this support site!
In answer to the next question...every time I TRY to open Firefox.

Simple fix for you I think--it works for me.
1. Open your TASK MANAGER (rt click on your taskbar)
2. Go to PROCESSES
3. Scroll down until you see "firefox.exe"(or anything with the word Firefox in it)
4. Click(highlight) the "firefox.exe"
5. At the bottom right side,click "End Process"
6. Close the Task Manager and do whatever you were attempting to do.
Cheers
Bilk 24

Firefox will not start on limited account. Reports firefox already running but doesn't show in task manager. Adminstrator account work fine

Firefox will not start on limited accounts. It reports firefox already running. This happens even if no other users are logged on. Administrator accounts have no problems accessing firefox

Create a new profile as a test to check if your current profile is causing the problems.
See Basic Troubleshooting: Make a new profile:
*https://support.mozilla.com/kb/Basic+Troubleshooting#w_8-make-a-new-profile
If that new profile works then you can transfer some files from the old profile to that new profile (be careful not to copy corrupted files)
See:
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

Firefox is running, but window is not visible

I am running a recent version (updated 9/11/2012 ... but I can't get to it to see the version number) of Firefox on Windows 7. Firefox is running, I can close it using the Windows task bar or Task Manager, and when I reopen it, I briefly (< 1 sec) see a full-screen window, then it goes away. I can hover over the taskbar icon and see a thumbnail of the page it has open, but can't get it to show the full window.
I've tried using Task Manager's Switch To and Bring to Front features to no avail. I rebooted the computer and still get the same behavior.
Any ideas?

Hi,
You can try deleting the '''localstore.rdf''' and '''sessionstore.js''' files in the [http://kb.mozillazine.org/Profile_folder Firefox Profile Folder]. Before that, you can also try to '''Shift''' + '''Right-click''' the '''Taskbar''' icon > '''Move''', move the mouse once without clicking, and then use the arrow keys on the keyboard. You may have to experiment with the four arrow keys. Hopefully the window will appear.
[http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder & Files]

Firefox is running but cannot access any websites although IE8 works fine. Have run Malware etc and unistalled and reinstalled Firefox

Firefox is running (CTRL,ALT,DEL)
"unable to connect....www.google"

See this support article - [[Cannot connect after upgrading Firefox]]

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

"Close Firefox - Error Message -. Firefox already running, but not responding -.." A real pain - Firefox worked much better before all the updates!! How do I fix this?

This pop-up appears anytime I attempt to close Firefox and immediately open another browser, etc.
Suspect it is add-ons related. Never had the problem with "older" version of Firefox.
It is a real nuisance, almost makes me go to Explorer!

Try to wait a bit longer (up to 1 minute or maybe more) as it can take some time for Firefox to close completely.
See "Hang at exit":
*http://kb.mozillazine.org/Firefox_hangs
*https://support.mozilla.com/kb/Firefox+hangs

Firefox is running but invisible.....this is rediculous.

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