Firefox will not start and I get firefox.exe Application Error with the code 0x00000000, I've tried reloading but always get the same error message!

Firefox will not start, I've tried opening in safe mode, no joy. I get the firefox.exe application error 0x00000000
== This happened ==
Every time Firefox opened
== Possibly after a windows update ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; YPC 3.2.0; .NET CLR 1.1.4322; InfoPath.1)

Do a clean reinstall and 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.
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

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Firefox will not start and open a website from a Thunderbird email link. It will go to a link from Thunderbird once Firefox is open, but will not initially start Firefox and proceed to open the Thunderbird email link.

Firefox will not ''start'' and open a website from a Thunderbird email link. A link from Thunderbird will open once Firefox is ''already'' started, but will not initially start Firefox and proceed to open the Thunderbird email link.

I also have this problem. I cannot open links from a discussion board I frequent nor can I open links from my email. Also after opening my email, I cannot go to any other sites except my home page. I can then go no where else.
When I close Firefox and try to reopen it, it does nothing! I have to bring up the Task Manager and end the Firefox process before I can get back in.
To the best of my knowledge, this problem started with the new update to Ver. 3.6.9. I am running Windows XP Media Center 2005

Just installed Firefox 3.6. Firefox will not start and Firefox safemode does not start either. Using Task manager I do not see if started either. If I create a new profile and start from that window, Firefox starts up. I see no error windows/messages. I d

Just installed Firefox 3.6. Firefox will not start and Firefox safemode does not start either. Using Task manager I do not see if started either. If I create a new profile and start from that window, Firefox starts up. I see no error windows/messages. I do have it listed in my Firewall as an exception program with Permit All. What is happening?
== This happened ==
Every time Firefox opened
== After removing Firefox and Reinstalling it. ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; GTB6.4; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648; MS-RTC LM 8)

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
See also [[Basic Troubleshooting|#Make_a_new_profile|Basic Troubleshooting: Make a new profile]]

Firefox will not start and profile manager will not start

This has happened on two accounts on my laptop. I am running windows 7, 64 bit and firefox 18.0. Firefox had been running on this machine for several years without incident, but suddenly when I try to start firefox, it will not start. The little wait icon spins for about a second then disappears without starting firefox. Other browser will start and run. I reboot and when I click on the icon to start firefox nothing happens. I tried to start the profile manager as seen in the knowledge base, but nothing starts either. I switched to another account on this computer and firefox started and ran for about a week, until today where it just stopped working. I have not tried to reinstall firefox as the message boards say this will not help. Any ideas?

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 will not start and any attempts to do so opens a crash report which neither properly closes nor restarts firefox.

firefox was working this morning but in the afternoon, after i got off a game that did not require use of firefox, firefox would not start. it does not show up in the task manager and typing "firefox.exe -ProfileManager" into the search box opens a crash report which neither restarts firefox nor quits it. further attempts to do the same results in the same crash report.
restarting the computer does not help.
previously, in the past week, firefox has been frequently crashing. however, this afternoon was the first time firefox would not start at all. cannot uninstall firefox as my system provides no response.

See http://kb.mozillazine.org/Firefox_crashes and [[Firefox crashes]]

Firefox will not start and Firefox.exe process will not end!

Good evening,
I am typing this on Internet Explorer, and Google Chrome seems to refuse to install. I have been experiencing considerable trouble with launching FF. Whenever I double-click the icon, FF does not launch. There are no error mesages, the cursor just turns to an hourglass and then back to the pointer. When I open the task manager, there is always one Firefox.exe process open that will not close no matter how many times I press the "End Process" button. This is maddening. Can I do anything to get FF up and running again? I have restarted my computer countless times. I ran a scan with Norton Antivirus and whatever it detected obviously wasn't what is causing this issue. Please try and assist me, this is outrageous.
Thank you,
~AdmiralGFM

See [/forum/1/725968]
This issue can be caused by malware.

Firefox will not start and I already tried ALL the suggestions.

Hi, Firefox is my favorite browser that I've been using for years and all of a sudden it won't start. I've already tried the following and it will not open at all, ever.
I'm on windows 7 and have never had a problem before.
1. I disabled my anti-virus & spyware sweeper.
2. Tried Safe mode.
3. I uninstalled, deleted the program files, restarted computer, reinstalled.
4. I disabled my anti-virus & spyware sweeper again and tried with fresh install.
5. I tried the Run dialog box, type in: firefox.exe (Profile manager window didn't open, nothing happens)
I also tried "C:\Program Files\Mozilla Firefox\firefox.exe"
AND "C:\Program Files (x86)\Mozilla Firefox\firefox.exe" and nothing happened.
In between each try, I END PROCESS in my task manager. Even though a window never actually opens for any of these steps.
I'm at a loss and really need and would appreciate any help.
Thank you,
Jon

That didn't work either, but after everything, it turned out to be a recent adoble flash update. I uninstalled flash and now it works. I do need flash player though, so hopefully it works next time I reinstall... I will probably try it over the weekend and let you know.
Thanks for the help!

Firefox will not start, have to reinstall firefox

only happened to me after i switch to comcast and use norton anti virus.

Certain Firefox problems can be solved by performing a ''Clean reinstall''. This means you remove Firefox program files and then reinstall Firefox. Please follow these steps:
'''Note:''' You might want to print these steps or view them in another browser.
#Download the latest Desktop version of Firefox from http://www.mozilla.org and save the setup file to your computer.
#After the download finishes, close all Firefox windows (click Exit from the Firefox or File menu).
#Delete the Firefox installation folder, which is located in one of these locations, by default:
#*'''Windows:'''
#**C:\Program Files\Mozilla Firefox
#**C:\Program Files (x86)\Mozilla Firefox
#*'''Mac:''' Delete Firefox from the Applications folder.
#*'''Linux:''' If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see [[Installing Firefox on Linux]]. If you downloaded and installed the binary package from the [http://www.mozilla.org/firefox#desktop Firefox download page], simply remove the folder ''firefox'' in your home directory.
#Now, go ahead and reinstall Firefox:
##Double-click the downloaded installation file and go through the steps of the installation wizard.
##Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.
Please report back to see if this helped you!

Firefox will not start, says I must restart my computer, did that more than once ( at least 4 times ) but still nothing, just repeats that I most restart my computor

This started when I tried to upgrade from ?? to the latest version. It did add a second icon to my start page, both act the same way, tried to uninstale, again I get same message. Tried to do a system restore again same message" must restart".

Just checked the model of card youre using by Hardware ID
PCI\VEN_02&DEV_0002&SUBSYS_00A02&REV_0A = SB0220 SBLi've! 5. Digital,
and I think if this is correct, you'll may find some other frustrationed owners asking the
same question you have.
Have you tried these drivers
and/or
these drivers
About this issue you and the others are having:
[url="http://forums.creative.com/creativelabs/board/message?board.id=soundblaster&message.id=4670" target=_blank>See this thread[/url]
BTW:
You perhaps can install Audigy 2 drivers and software to your card. Here are the instructions how to do it.
It's quite easy process. Download Audigy driver/software package (~20MB) (link is there), extract it into some directory. Download the patch (link is on Automatic Method sentence)and follow instructions how to patch the instalation package. Then installation process. I've modded my Audigy 2 to Audigy 2 Zs using a similiar method and everyting else, but GraphicMixer, works great.
.jtpMessage Edited by jutapa on 08-24-2005 06:38 AM

Firefox will not start at all

New versions of Firefox will not start and only bring up the crash reporter. I've tried starting in safe mode, I've deleted/created new Profiles and I've uninstalled/installed Firefox over and over. I can still download 28.0 and it has no problem opening. Below is the latest Crash ID from 35.0
Crash ID: bp-4ac8fb2d-9a2a-4a6a-a9e4-06cc42150125

hello sid.robinson, this crash is caused by the "Digital Guardian" software by Verdasys that is running on your computer. Please see if there's an update available for that program.

Firefox will not start after a software update

After software installation Firefox will not start and displays a message box that says that it crashed and can't start

Installed latest Firefox v. 6 software.
Drop box saying that Firefox could not start and had to shut down upon start.
Yes, Firefox started with Shift and click of icon.
I uninstalled software, re-installed and it seems to be working fine.
Thank you for your help

Firefox will not start any more.

Firefox will not start. (reported as a hang)

Try Application > Utilities > Activity Monitor and look in the Process Name column to see if there is a version of Firefox there. If so, select it and then hit the Quit Process icon.
Restart Firefox.
Recently, Firefox has repeatedly started hanging on my 10.7.2 iMac.
If that is not it, try Carolyn's suggestion.

Askcom has taken over as my browser firefox will not start, how do I get rid of askcom

firefox will not start. When I try to open firefox my computer displays askcom every time. I would like to get rid of askcom, I do not know how it got in my computer. I have tried to remove it in Win 7 programs and features but it will not go away.
My O/S is Win 7 Home addition.

''how do I get rid of ask.com''
See
:All of a sudden Ask.com showed up today as my default rather than Google. How do I get my Google back?
:'''https://support.mozilla.com/questions/868741'''
<br><small>Please mark "Solved" one answer that will best help others with a similar problem -- hope this was it.</small>
a good starting place for problems with extensions and toolbars are
:http://kb.mozillazine.org/Problematic_extensions
:http://kb.mozillazine.org/Uninstalling_toolbars

After removing system fonts and reinstalling fonts, FireFox will not start

After removing system fonts and reinstalling fonts, FireFox will not start! When I start FireFox the "Mozilla Crash Reporter" opens as if FF just crashed??? I don't see any records in event viewer. I am using FF v3.6.3 on a Windows 7 box. I tried uninstalling 3.6.3 and installing 3.0.18 and had the same problem!
== This happened ==
Every time Firefox opened
== After a uninstalled all fonts including system fonts and then reinstalling system fonts. ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; GTB6.4; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; AskTB5.5)

The files with submitted crash report ids are inside the ''submitted '' directory, from the directory you found the LastCrash.txt timestamp file.
The file names will begin with '''bp-'''
There might be more information from the crash report, but it might just tell us you are crashing the first time Firefox tries to use a font.
One thing I suppose you could do is select only those fonts you've got in Tools -> Options -> Content -> Fonts and Colors -> Advanced and then uncheck the '''Allow pages to use their own fonts''' option.
See http://support.mozilla.com/en-US/kb/Options+window+-+Content+panel#Fonts_Dialog
To be honest, I can't find anything on this Netscape Font Navigator and it sounds highly dubious.

I click on the icon and firefox will not start or try to start

I installed Avery labels and then had trouble with tool bar remover avery but now firefox will not start up when i click on icon. I removed Firefox and reinstalled but will not run.
== This happened ==
Every time Firefox opened
== 5/19/2010 ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; FunWebProducts; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; msn OptimizedIE8;ENUS)

It sounds like you may have a problem caused by an extension (maybe that avery toolbar)
[[Troubleshooting extensions and themes|Try the instructions in this article]] - begin by putting Firefox in Safe Mode. If Firefox will start in safe mode, continue with the section [[Troubleshooting extensions and themes|#Disable_all_extensions|Disable all extensions]] and then [[Troubleshooting extensions and themes|#Test_for_faulty_extensions|Test for faulty extensions]]
I hope that helps. Let us know if you can.

Firefox will not start and I get firefox.exe Application Error with the code 0x00000000, I've tried reloading but always get the same error message!

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