Firefox Does Not Start In Windows 7.It is running in task manager

Firefox tries to open and runs the exe in task manager
== This happened ==
Every time Firefox opened
== After the 3.6.4 update in windows 7 ==
== User Agent ==
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.86 Safari/533.4

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

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Firefox does not start in Windows Vista. It can be seen in the task manager that the process is running. But nothing happens. After deleting the process it still does not work.

Are there any issues with Firefox 10 and Vista? IE works.

Hi webero,
There are no Known Issues that I am aware of. You should take a look at [[Firefox is already running but is not responding]] and our article called [https://support.mozilla.org/en-US/kb/Firefox-not-start Firefox will not start].
Hopefully this helps!

Firefox does not close/exit and must be shut down using task manager

When I "x" out of Firefox, or File menu "exit" or right click to "close," the Firefox window closes but whenever I attempt to restart Firefox, it says that it is already running (hence was never shut down) and I have to use Task Manager to "end process" before re-starting Firefox again. This dilemma only started after upgrading about 6 months ago (can't remember the version). I recently upgraded again but the problem still exists.

Did not address my issue. Firefox isn't freezing while it's up and running, it just doesn't completely shut down... therefore it's always running behind the scenes.

Firefox does not start

i am using Duke 64 bit. 50% of the times firefox just does not start. i had the same problem in 2.0.0.3 and now it is 2.0.0.4 but problem is not solved. when i use command "firefox" in X Terminal, cursor just goes to the next line without doing anything and when i do "ps -x" i can see firefox was *already* running but i do not see any windows of firefox. STRANGE.......this is from my terminal:
[arnuld@arch ~]$ ps -x
Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html
PID TTY STAT TIME COMMAND
6042 tty2 S 0:00 -bash
6050 tty2 S+ 0:00 /bin/sh /usr/bin/startx
6066 tty2 S+ 0:00 xinit /home/arnuld/.xinitrc -- -auth /home
6073 tty2 S 0:00 wmaker
6074 tty2 S 0:00 wmaker --for-real
6699 ? Ss 0:00 /bin/sh /opt/mozilla/bin/firefox
6703 ? S 0:00 /bin/sh /opt/mozilla/lib/firefox-2.0.0.4/r
6708 ? Sl 0:00 /opt/mozilla/lib/firefox-2.0.0.4/firefox-b
6714 ? S 0:00 /usr/lib/GConf/gconfd-2 12
6728 ? Ss 0:00 urxvt
6729 pts/0 Ss 0:00 -bash
6733 pts/0 R+ 0:00 ps -x
see, firefox is already running but i do not see any firefox window in my Windowmaker. i have also tried "wmii" and "larswm".
[arnuld@arch ~]$ firefox
[arnuld@arch ~]$ firefox
[arnuld@arch ~]$ firefox
[arnuld@arch ~]$ firefox
NOTICE: it does not do anything here :-(
[arnuld@arch ~]$ ps -x
Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html
PID TTY STAT TIME COMMAND
6042 tty2 S 0:00 -bash
6050 tty2 S+ 0:00 /bin/sh /usr/bin/startx
6066 tty2 S+ 0:00 xinit /home/arnuld/.xinitrc -- -auth /home/arnuld/.serverauth.6050
6073 tty2 S 0:00 wmaker
6074 tty2 S 0:00 wmaker --for-real
6699 ? Ss 0:00 /bin/sh /opt/mozilla/bin/firefox
6703 ? S 0:00 /bin/sh /opt/mozilla/lib/firefox-2.0.0.4/run-mozilla.sh /opt/mozilla/lib/firefox-2.0.0.4/
6708 ? Sl 0:02 /opt/mozilla/lib/firefox-2.0.0.4/firefox-bin
6714 ? S 0:00 /usr/lib/GConf/gconfd-2 12
6728 ? Ss 0:00 urxvt
6729 pts/0 Ss 0:00 -bash
6746 ? Ss 0:00 emacs
6795 pts/0 R+ 0:00 ps -x
[arnuld@arch ~]$
i have to use "kill -9 PID" to kill all those 3 firefox-processes. this happens with me everyday when i try to access firefox. any solution ?

ourcach wrote:
My firefox does not start.
when i run it it asks if i wawnt to start a new session and when i click on any of the choices it hangs and nothing happens.
even in safe mode when it is supposed to start it stil hangs and no window is oppened...
this happened when i updated to firefox 2.0.0.4...
Make sure firefox is actually stopped (check "ps axww" output for it). Kill it if it's still running somewhere.
Check your firefox profile area for files named "lock" and ".parentlock". Delete them if you find any.

Firefox does not start up after an automatic update. Every time i try to open it, it just prompts the Mozilla Crash Reporter.

Firefox does not start up after an automatic update. Every time i try to open it, it just prompts the Mozilla Crash Reporter.
''Add-ons: {972ce4c6-7e08-4474-a285-3208198ce6fd}:3.6.10
BuildID: 20100914125854
CrashTime: 1290192405
EMCheckCompatibility: true
FramePoisonBase: 00000000f0de0000
FramePoisonSize: 65536
InstallTime: 1287124738
ProductName: Firefox
ReleaseChannel: release
SecondsSinceLastCrash: 422
StartupTime: 1290192405
Theme: classic/1.0
Throttleable: 1
Vendor: Mozilla
Version: 3.6.10
This report also contains technical information about the state of the application when it crashed.''
Same thing happens when i click restart.
No difference when i run it in Safe mode. And it won't let me create a new profile either. Is there anyway else i can extract my bookmarks? This is driving me crazy!

Did the crash reporter send any crash reports? 
You can see the crash reports in this folder:
"C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\Crash Reports"
See: http://kb.mozillazine.org/Breakpad
See also [[Firefox crashes when you open it]]
Create a new profile as a test to check if your current profile is causing the problems. 
See [[Basic Troubleshooting#Make_a_new_profile|Basic Troubleshooting: Make a new profile]] 
There may be extensions and plugins installed by default in a new profile, so check that in "Tools > Add-ons > Extensions & Plugins" 
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 
If that still causes the same problem then do a clean reinstall and remove the Firefox program folder.
* Download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop.
* Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
* Don't remove personal data when uninstalling.
* It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
See:
* http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

My firefox does not start even though i created a new profile.What is the solution?

My firefox does not start and when i debug, its showing a win32 exception error. what should i do?

See:
*https://support.mozilla.org/kb/Recovering+important+data+from+an+old+profile
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox
You can also update to Firefox 9.0.1
*Firefox 9.0.x: http://www.mozilla.org/en-US/firefox/all.html

Firefox does not start by clicking on the icon in RHEL 5.

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A possible cause is security software (firewall) that blocks or restricts Firefox without informing you about that, 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.
See [[Server not found]] and [[Firewalls]] and http://kb.mozillazine.org/Firewalls

[solved]firefox does not start anymore: (firefox:4358): Bonobo-WARNING

Hi All,
Firefox has always worked on the laptop of my girfrind, until yesterday. When I run firefox from the command line I get the following message, and firefox does not start.
ingeborg@laptop:/storage/home/ingeborg$ firefox
(firefox:4358): Bonobo-WARNING **: Bonobo must be initialized before use
ingeborg@laptop:/storage/home/ingeborg$
Versions:
ingeborg@laptop:/storage/home/ingeborg$ firefox -v
Mozilla Firefox 3.6.12, Copyright (c) 1998 - 2010 mozilla.org
$ uname -a
Linux laptop 2.6.35-ARCH #1 SMP PREEMPT Sat Oct 30 19:57:05 UTC 2010 i686 Intel(R) Core(TM)2 Duo CPU T6670 @ 2.20GHz GenuineIntel GNU/Linux
When I move .mozilla, firefox starts without problem, so there must be something wrong with the information in ~/.mozilla:
$ mv .mozilla/ .mozilla-moved
ingeborg@laptop:~$ firefox
(firefox:4852): Bonobo-WARNING **: Bonobo must be initialized before use
(firefox:4852): Bonobo-WARNING **: Bonobo must be initialized before use
(firefox:4852): Bonobo-WARNING **: Bonobo must be initialized before use
ingeborg@laptop:~$
Any Idea's how I can figure out what file is causing this problem in .mozilla?
What does code 4358 and 4852 from firefox mean?
Best regards,
Cedric
Last edited by cdwijs (2011-01-03 12:05:23)

I have reproduced the problem:
1)Move (or remove) ~/.mozilla
2)goto this website : http://toolbar.zynga.com/install/farmville/
3)login with a valid facebook acount
4)Click install, and then click allow, install now, restart namoraka, restart, finish, and then click save and quit.
Now firefox does not start anymore.
Is it usefull when I make a tar file of .mozilla and post it here?
Best regards,
Cedric

For some inexplicable reason, Safari 5.1 will not open in Windows 7. It appears in task manager briefly and then disappears. No windows open; I have tried everything. Any ideas??

For some inexplicable reason, Safari 5.1 will not open in Windows 7. It appears in task manager briefly and then disappears. No windows open; I have tried everything. Any ideas??

I fixed the issue. It was related to the DEP settings on my windows machine.

Firefox does not start for very long after clicking!!If another browser is opened Firefox opens after that.

Firefox does not open after clicking on the Firefox icon on my desktop. Occasionally it opens after a very long time and that also a number of pages open at the same time equal to the number of times hat I clicked the icon trying to open. If I open another browser like Google Chrome after trying to open Firefox then Firefox follows it to open much quicker after Google chrome opens.

Hello,
'''Try Firefox Safe Mode''' to see if the problem goes away. [[Troubleshoot Firefox issues using Safe Mode|Firefox Safe Mode]] is a troubleshooting mode that turns off some settings and disables most add-ons (extensions and themes).
''(If you're using an added theme, switch to the Default theme.)''
If Firefox is open, you can restart in Firefox Safe Mode from the Help menu by clicking on the '''Restart with Add-ons Disabled...''' menu item: 
[[Image:FirefoxSafeMode|width=520]] 
If Firefox is not running, you can start Firefox in Safe Mode as follows:
* On Windows: Hold the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac: Hold the '''option''' key while starting Firefox.
* On Linux: Quit Firefox, go to your Terminal and run ''firefox -safe-mode'' (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
''Once you get the pop-up, just select "'Start in Safe Mode"''
[[Image:Safe Mode Fx 15 - Win]]
'''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, and you need to figure out which one. Please follow the [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] article to find the cause.
''To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
When you figure out what's causing your issues, please let us know. It might help others with the same problem.
Thank you.

Firefox does not start when I click, but consume a lot of resourcein task manager

Hello,
Since a few days, when I click Firefox, it does not start anymore (browser Windows does not appear anymore).
Also, I noticed that after I click, my computer makes a lot of noise et becomes slow & gets almost blocked: I can see that in the task manager/processes, firefox is there and consume a lot of memory ressources.
Can you help ?
Thanks

Hello,
Thanks for you reply. What you propose me is to create a new profile and transfer the files from the old profiles to the new.
I am not interested by this option as I want to keep my current profile as I am using programs working on this profile and also have Firefox working on this profile.
But I have a new information which might help. I did not see it during my last tentative but after a few minutes after Mozilla launch, there was like a bug report which were generated.
I copy paste below. Hope that it can help :
dd-ons: 2020Player_IKEA%402020Technologies.com:5.0.7.0,OrangeVideo%40orange.fr:1.2.1.12788,%7972ce4c6-7e08-4474-a285-3208198ce6fd%7D:29.0,%7Bd10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d%7D:2.5.1,jid1-FCM5fDwCWM3AQ%40jetpack:1.8
AvailablePageFile: 240164044
AvailablePhysicalMemory: 207122432
AvailableVirtualMemory: 432594944
BIOS_Manufacturer: Phoenix Technologies LTD
BlockedDllList:
BreakpadReserveAddress: 44236800
BreakpadReserveSize: 37748736
BuildID: 2014042122123
CrashTime: 1399127287
EMCheckCompatibility: true
Email:
FramePoisonBase: 00000000f0de0000
FramePoisonSize: 65536
InstallTime: 1398928357
Notes: AdapterVendorID: 0x8086, AdapterDeviceID: 0x2a42, AdapterSubsysID: 02191025, AdapterDriverVersion: 8.15.10.2202
D2D? D2D+ DWrite? DWrite+ D3D10 Layers? D3D10 Layers+
ProductID: {ec8030f7-c20a-464f-9b0e-13a3a9e84}
ProductName: Firefox
ReleaseChannel: release
SecondsSinceLastCrash: 1130148
StartupTime: 1399126032
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Throttleable: 1
TotalVirtualMemory: 4294836224
URL:
Vendor: Mozilla
Version: 29.0
Winsock_LSP: AVSDA over [MSAFD Tcpip [TCP/IP]] : 2 : 1 :
AVSDA over [MSAFD Tcpip [UDP/IP]] : 2 : 2 : C:\Program Files (x86)\Avira\AntiVir Desktop\avsda.dll
AVSDA over [MSAFD Tcpip [TCP/IPv6]] : 2 : 1 :
AVSDA over [MSAFD Tcpip [UDP/IPv6]] : 2 : 2 : C:\Program Files (x86)\Avira\AntiVir Desktop\avsda.dll
AVSDA over [Fournisseur de services RSVP TCPv6] : 2 : 1 :
AVSDA over [Fournisseur de services RSVP TCP] : 2 : 1 : C:\Program Files (x86)\Avira\AntiVir Desktop\avsda.dll
AVSDA over [Fournisseur de services RSVP UDPv6] : 2 : 2 :
AVSDA over [Fournisseur de services RSVP UDP] : 2 : 2 : C:\Program Files (x86)\Avira\AntiVir Desktop\avsda.dll
MSAFD Tcpip [TCP/IP] : 2 : 1 : %SystemRoot%\system32\mswsock.dll
MSAFD Tcpip [UDP/IP] : 2 : 2 :
MSAFD Tcpip [RAW/IP] : 2 : 3 : %SystemRoot%\system32\mswsock.dll
MSAFD Tcpip [TCP/IPv6] : 2 : 1 :
MSAFD Tcpip [UDP/IPv6] : 2 : 2 : %SystemRoot%\system32\mswsock.dll
MSAFD Tcpip [RAW/IPv6] : 2 : 3 :
Fournisseur de services RSVP TCPv6 : 2 : 1 : %SystemRoot%\system32\mswsock.dll
Fournisseur de services RSVP TCP : 2 : 1 :
Fournisseur de services RSVP UDPv6 : 2 : 2 : %SystemRoot%\system32\mswsock.dll
Fournisseur de services RSVP UDP : 2 : 2 :
AVSDA : 2 : 0 :
useragent_locale: fr

PE 9 does not start on Windows 7 Ultimate 32 bit

No matter how I try to start PE 9, it does not start.
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You are a music conductor, with a baton that you use to point to various parts of the orchestra... this is like Windows pointing to various
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this would be doing something with your video file at the same time as all the other work
You as a person cannot do both at the same time with the same hand
A computer is a LITTLE better, in that it can switch from one kind of task to another very quickly... but not quickly enough for EASY video
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You need AT LEAST two hard drives (separate drives, never a partition http://forums.adobe.com/thread/650708?tstart=0 for more) with Windows
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I find that the three drives I use work very well for me, for editing AVCHD video... some people use a 4th drive, so video INPUT files are on
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Firefox will not start. Open profile manager. Delete old profile. Create new profile. Click start firefox. Firefox starts. Close firefox. Click start, "Mozilla Firefox", FireFox DOES NOT start. Help!?

Firefox will not start.
Run profilemanager and delete old profile - create new profile - click run firefox from profile manager and firefox opens.
Close firefox and try to reopen. Will not open. Follow above procedure again and foerefox opens until closed them will not open.
== This happened ==
Every time Firefox opened
== Last week ==
== User Agent ==
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8

Thanks for your help. I had tried starting Firefox in safe-mode before I posted this request, but it did not work. I tried to restore the system to an earlier version, but that made everything worse. Two accounts were unusable and one sort of worked, so I reloaded the operating system and now firefox works, for how long, I don't know. But thanks again for your suggestion.

Firefox does not start at all never

I resetted my computer, i have formatted it. I reinstalled firefox, but it wont open at all. Plz help
== This happened ==
Every time Firefox opened
== I resetted my com ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0)

Hello Zubeyir.
Hopefully this support article is what you need:
https://support.mozilla.com/en-US/kb/Firefox+will+not+start
If you need help installing Firefox, see this:
http://support.mozilla.com/en-US/kb/Installing+Firefox

Firefox does not start at all, cpu usage is 100%

I have tried installing different versions of Firefox, but all of them have the same issue - the browser does not start at all, no error messages, cpu usage is 100% in task manager, so have to shut it down there.

Hello Zubeyir.
Hopefully this support article is what you need:
https://support.mozilla.com/en-US/kb/Firefox+will+not+start
If you need help installing Firefox, see this:
http://support.mozilla.com/en-US/kb/Installing+Firefox

Firefox Does Not Start In Windows 7.It is running in task manager

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