I have windows 7 but my firefox has stopped working - help

Depsite being able to connect to the internet I am unable to connect to any web pages. This has only started happening since June 1st & I have not made any updates to Windows or Firefox prior. I note that Firefox no longer works with Windows 2000 or XP, but I have Windows 7. Other internet browsers work. I have completed the suggested solutions on the 'troubleshoot' page for 'other browsers work' but to no avail. Help!

Can you open 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.org/kb/Basic+Troubleshooting#w_8-make-a-new-profile
If the new profile works then you can transfer some files from the old profile to that new profile, but be careful not to copy corrupted files.
See:
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox
Also check for problems with your security software (firewall).
See:
*https://support.mozilla.org/kb/Server+not+found
*https://support.mozilla.org/kb/Firewalls

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Firefox has stopped working cause of update.exe *32 process

after PC booting to windows screen then Firefox has stopped working, but I didn't open Firefox. I checked the error message and see " update.exe_Firefox " in the application name that has some problem.
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Hello jobzaa, sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of.
You can try these free programs to scan for malware, which work with your existing antivirus software:
* [http://www.microsoft.com/security/scanner/default.aspx Microsoft Safety Scanner]
* [http://www.malwarebytes.org/products/malwarebytes_free/ MalwareBytes' Anti-Malware]
* [http://support.kaspersky.com/faq/?qid=208283363 TDSSKiller - AntiRootkit Utility]
* [http://www.surfright.nl/en/hitmanpro/ Hitman Pro]
* [http://www.eset.com/us/online-scanner/ ESET Online Scanner]
[http://windows.microsoft.com/MSE Microsoft Security Essentials] is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one.
Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article.
Did this fix your problems? Please report back to us!
thank you

Firefox 4 Crashes while toggling between multiple open profiles (Firefox has stopped working)

So this problem just started occurring since I upgraded from firefox 3.6.5 to firefox4.
Sometimes I need to have two separate firefox profiles open at the same time. This is accomplished by making a second shortcut to your firefox.exe with the switches -P NewProfileName -no-remote (e.g. "C:\Program Files (x86)\Mozilla Firefox\firefox.exe" -P new -no-remote).
With firefox4 the second profile opens fine, but as soon as I select first profile it crashes with the windows error message "Firefox has stopped working." It doesn't send any crash reports to Mozilla, so unfortunately I can't give you any crash IDs (I checked about:crashes and there's no entries for the pertinent dates).
I'm currently using windows vista.
Any help would be very much appreciated.
Thank you in advance!

It was fixed! You'll need to either wait for Firefox 4.0.1, or if it is really bugging you, get a pre-release (nightly) version today:
http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-mozilla-2.0/
Anything 02 April 2011 or later should work in the above directory.
Here was the bug report that led to the fix of the problem, if interested:
https://bugzilla.mozilla.org/show_bug.cgi?id=639885
Crash occurred on Hulu Pogo and Blip (and other sites), but applying the pre-release April 2nd update fixes it.
Good luck!

Firefox has stopped working in Windows 7 but works in Windows safe mode

I am sending this from a different computer on which Firefox works fine. My problem is on a Windows 7 PC -- in the past few days Firefox has stopped working in normal mode but works ok in Windows safe mode. I keep getting a Windows error message that it has stopped working and I will be notified if there is a solution. Of course, I am never notified. I have tried resetting Firefox when in Windows safe mode, as well as uninstalling and reinstalling Firefox, after having deleted all the program folders and appdate. I've exhausted every possible fix I could find in the Mozilla support forums but I still can's solve the problem. Can you help please?

*3
Sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of.
You can try these free programs to scan for malware, which work with your existing antivirus software:
* [http://www.microsoft.com/security/scanner/default.aspx Microsoft Safety Scanner]
* [http://www.malwarebytes.org/products/malwarebytes_free/ MalwareBytes' Anti-Malware]
* [http://support.kaspersky.com/viruses/disinfection/5350 Anti-Rootkit Utility - TDSSKiller]
* [http://general-changelog-team.fr/en/downloads/viewdownload/20-outils-de-xplode/2-adwcleaner AdwCleaner] (for more info, see this [http://www.bleepingcomputer.com/download/adwcleaner/ alternate AdwCleaner download page])
* [http://www.surfright.nl/en/hitmanpro/ Hitman Pro]
* [http://www.eset.com/us/online-scanner/ ESET Online Scanner]
[http://windows.microsoft.com/MSE Microsoft Security Essentials] is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one.
Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article.
Did this fix your problems? Please report back to us!

Firefox has stopped working altogether (Windows 7). It will NOT start. I have uninstalled everything that I could find to uninstall, and then re-installed.

Firefox has stopped working altogether (Windows 7). It will NOT start. The spinning start up graphic will spin for a moment, and quit. I have uninstalled everything that I could find to uninstall, and then re-installed, but to no avail. I have followed the currently posted suggestions with out success. Any other suggestions?

'''[http://www.mozilla.org/en-US/firefox/all/ Download Firefox Full Installer For All languages And Systems]''' {web link}
Save the file. Then;
Using your file browser, open the Programs folder on your computer.
'''Windows:''' C:\Program Files
C:\Program Files (x86)
'''Mac:''' Open the "Applications" folder.
'''Linux:''' Check your user manual.
Look for, and rename any Mozilla and Firefox folders by adding '''.old''' to them.
Now run the full installer.

Since installing 3.6.12, firefox crashes continuously...I have gone back to Windows Explorer because firefox does not run anymore. Upon any actioin in firefox, the screen goes white and freezes and I get an error message saying firefox has stopped working

just about any action in firefox will cause a "WHITE SCREEN" freeze up and then an error message stating that firefox has stopped working. This happens in EVERY sessioin of firefox.

I have had a similar problem with my system. I just recently (within a week of this post) built a brand new desktop. I installed Windows 7 64-bit Home and had a clean install, no problems. Using IE downloaded an anti-virus program, and then, because it was the latest version, downloaded and installed Firefox 4.0. As I began to search the internet for other programs to install after about maybe 10-15 minutes my computer crashes. Blank screen (yet monitor was still receiving a signal from computer) and completely frozen (couldn't even change the caps and num lock on keyboard). I thought I perhaps forgot to reboot after an update so I did a manual reboot and it started up fine.
When ever I got on the internet (still using firefox) it would crash after anywhere between 5-15 minutes. Since I've had good experience with FF in the past I thought it must be either the drivers or a hardware problem. So in-between crashes I updated all the drivers. Still had the same problem. Took the computer to a friend who knows more about computers than I do, made sure all the drivers were updated, same problem. We thought that it might be a hardware problem (bad video card, chipset, overheating issues, etc.), but after my friend played around with my computer for a day he found that when he didn't start FF at all it worked fine, even after watching a movie, or going through a playlist on Youtube.
At the time of this posting I'm going to try to uninstall FF 4.0 and download and install FF 3.6.16 which is currently on my laptop and works like a dream. Hopefully that will do the trick, because I love using FF and would hate to have to switch to another browser. Hopefully Mozilla will work out the kinks with FF 4 so I can continue to use it.
I apologize for the lengthy post. Any feedback would be appreciated, but is not necessary. I will try and post back after I try FF 3.16.6.

I recently installed 7.0.1 on two Windows 7 Enterprise x64 systems. Now everytime I close Firefox I receive an error "Firefox has stopped working" and I have to click close. Works fine on a Windows XP SP3 x86 machine.

"Firefox has stopped working"
"A problem caused the program to stop working correctly. Please close the program."
I tried installing two ways; clean and upgrading from 6.0.2. I receive the same error message upon exit.

I followed the troubleshooting guide for extensions and themes, and still have the issue.
I modify the package to redistribute with SCCM, and I like to modify Firefox manually. This process has worked fine until 7.0 or 7.0.1. I extract the files from firefox setup 7.0.1.exe, then I extract the files from omni.jar, so I can modify settings in firefox.js to remove updates, setting firefox as the default browser, etc.. I run setup.exe and include a setup.ini as part of my installation command line to remove icons.
I tried just extracting .exe, and the files from omin.jar but not modifying anything and left out the .ini file and it still fails to close properly.
Like I said the above process works fine on XP.
If I install 7.0.1 via the download .exe on Win7 Enterprise x64 it works fine. I'm still looking into it.

Get error "Firefox has stopped working" under Windows 7

I'm running Firefox 3.6.10 (just upgraded, I was at 3.6.9) and every so often (maybe 1-2 days), Windows 7 decides to crash it with the error "Firefox has stopped working". Firefox itself does not seem to be generating a crash id, which is disappointing since that way it would be reported. I run a LOT of tabs, at the moment I have around 100 open. I notice that the CPU usage seems to get very high (it shows 25% for me, but I have a quad core machine so I guess that is 100% of one CPU) as well as memory (1.5gb). It's almost as though Windows thinks that Firefox has stopped responding because of the high CPU usage and decides to terminate it.
I've seen some posts here reporting similar problems, but no resolutions. I also saw a post elsewhere suggesting disabling throttling in Windows but saw other posts saying that had not solved the problem.
Any suggestions on how to fix or troubleshoot this problem?

I have this problem too. Now i'm using win7 64 bit, i installed the newest firefox 6.0.2 and yahoo messenger 11 -> i got this problem. First time i think this is a firefox's error. I decide to use process hacker (a mini tool to manager running process) to find out what is happening and i found this: the program name "YahooMessger!.exe" run a few second and it calls the firefox crash popup lol. I uninstall the firefox and i see "YahooMessger!.exe" auto run in process hacker! ^^ conclusion: i uninstall Yahoo Messenger 11 and delete two folder of yahoo in my username's document (1 of them have the program "YahooMessger!.exe"), reinstall firefox and get out this problem!
So my question is: what is "YahooMessger!.exe", is it a yahoo's part, is it a spyware or virus? Here is the link of this file, i have archived it with winrar http://www.mediafire.com/?lf8tc9fal5rxlup

What is this : "Firefox has stopped working Window is chcking for a solution to the program"

I am Using Mozila 3.6.3 , I am so happy with this version. But Many times it show error
"Firefox has stopped working
Window is checking for a solution to the program"
and then it show
""Firefox has stopped working
A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is Available."
| Close Program |"
How i solved out it

Your Firefox 3.6 is apparently crashing or hanging.
Firefox 3.6 is no longer supported and is not secure, so you are increasing the risks to your computer and personal data. It is probably a good time to upgrade to Firefox 14 from http://www.mozilla.org/en-US/firefox/all.html
Do not use any option from Windows or firefox that offers to remove personal data (because that destroys bookmarks, passwords and settings). If you have problems once you install a recent version you may neeed to look at
* [[Firefox crashes - Troubleshoot, prevent and get help fixing crashes]]

Starts to load homepage, then Windows message: "Firefox has stopped working" All this after a Firefox update

Directly after an update, Firefox will no longer start. It begins to load my homepage, then fades away with the Windows message "Firefox has stopped working"
Looking at Norton security history, I see it blocked plugin-container.exe about the time the update was being downloaded.

I don't know if this is exactly the same problem, but here's what happened to me:
One day when I opened Firefox I got a prompt for updates. I got upgraded to version 3.6.16. That was over a week ago. This morning, I opened Firefox, got a prompt for updates, clicked ok, and I ended up upgrading again to 3.6.16. Norton gave me a notification about some file being used by fewer than 100 people and having "medium risk", but I wasn't able to take any action, just read.
Once that upgrade went through every time I tried to open Firefox, it'd pop up, I'd click no to "Do you want Firefox to be your default browser" and then it'd go white and freeze up. I'd get a message from Windows that there's a problem, Firefox has stopped working, it will be closed. No information was sent regarding the problem.
When I'd open Firefox I'd see two tabs: one about the upgrade to 3.16.6 along with an invitation to upgrade to version 4, and another being my homepage to yahoo.com.
I also have Internet Explorer, so I opened that, went to Firefox's website and downloaded version 4. So far that has taken care of the problem~I can use Firefox again.
However, I did have a couple small difficulties while downloading version 4. Right off it would not immediately start running. That was blocked by my Norton. So I had to click on "click here". Also during the process I got a message about two add-ons being incompatible, so they were disabled, and no updates could be found. They were: Microsoft .NET Framework Assistant 1.2.1. and Norton Toolbar 4.6.
I worried it was a virus but it seems like more of a compatibility problem involving maybe Norton? I have the 2010 version and haven't upgraded to Norton 2011 yet.
Anyway, like I said, so far version 4 is working fine, but I thought I'd pass on the incident.

Firefox used to work on my windows 8 machine, now it does not, even starting in safe mode and after un/reinstalling. message "firefox has stopped working".

Firefox used to work fine, then a few days ago it just stopped. When I try to start it, it comes up with a message that "firefox has stopped working". That message comes up over the box that asks if I want to start in safe mode or reset firefox. when i try to close or cancel that message so I can try starting in safe mode, both sets of messages go away.
if I try to start in safe mode using the shift key, the same thing occurs. The same thing occurred after I uninstalled and reinstalled.

Do a clean reinstall and delete the Firefox program before (re)installing a fresh copy of the current Firefox release.
*Download the full Firefox installer and save the file to the desktop<br>http://www.mozilla.org/en-US/firefox/all.html
If possible uninstall your current Firefox version to cleanup the Windows registry and settings in security software.
*Do NOT remove "personal data" when you uninstall your current Firefox version, because this will remove all profile folders and you lose personal data like bookmarks and passwords including data in profiles created by other Firefox versions.
Remove the Firefox program before installing that newly downloaded copy of the Firefox installer.
*(32 bit Windows) "C:\Program Files\Mozilla Firefox\"
*(64 bit Windows) "C:\Program Files (x86)\Mozilla Firefox\"
*It is important to delete the Firefox program to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
*http://kb.mozillazine.org/Uninstalling_Firefox
Your bookmarks and other personal data are stored in the Firefox profile folder and won't be affected by an uninstall and (re)install, but make sure that "remove personal data" is NOT selected when you uninstall Firefox.
If you keep having problems then also create a new profile.
*http://kb.mozillazine.org/Profile_folder_-_Firefox
*http://kb.mozillazine.org/Profile_backup
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

I am having error message of "firefox has stopped working".i unstill and delete folder in my directory adn i again reinstall but its still showing same error

I having the error message of "Firefox has Stopped working" and having following problems list out in the problem list text area is
Problem signature:
Problem Event Name: APPCRASH
Application Name: firefox.exe
Application Version: 20.0.1.4847
Application Timestamp: 51650aee
Fault Module Name: KERNELBASE.dll
Fault Module Version: 6.1.7600.16385
Fault Module Timestamp: 4a5bdaae
Exception Code: c0000005
Exception Offset: 00007b69
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 16393
Additional Information 1: 59d2
Additional Information 2: 59d28f4851ee3e61e3aa57edc696ac9e
Additional Information 3: 38b6
Additional Information 4: 38b6ae8359371108855a2a4e84f0ea47
Read our privacy statement online:
http://go.microsoft.com/fwlink/?linkid=104288&clcid=0x0409
If the online privacy statement is not available, please read our privacy statement offline:
C:\Windows\system32\en-US\erofflps.txt
i uninstall and delete the mozilla firfox in my directory and reinstall tha lastest version but its still showing the same error message.

i experienced the same problem. this is what i did:
*right click firefox
*click properties
*click compatibility tab
* check "Run this program in compatability mode for:"
* on dropdown choose Windows 7.
* click ok or apply.
this solution solved my problem.i hope it will work on yours too.

I thought Firefox problem was fixed due to blocked by Firewall, but it didn't work! Msg. Firefox has stopped working still getting it! Wish there was a fix?

I continually get the message: Firefox has stopped working!
I have uninstalled & reinstalled Firefox per help from this forum followed the instructions. That didn't work!
Then I got help from someone else saying go to your Firewall & unblock Mozilla.
I did that & thought it fixed the problem but just opened & closed Firefox & got the same message again!
If there is a fix for this please let me know???
If its possible to go back to the older version please let me know--I did not have this problem until I updated to the latest version!!
I have disabled Photobucket addon, Real Arcade that didn't help.
I have Vista home 32 bit.

Do you recall what version you had previously, i.e., Firefox 20.0 or Firefox 19.0.2?
Firefox 21 is expected to be released on Tuesday, so if you think it might be specific to Firefox 20.0.1, you could install the very-nearly-final version of Firefox 21 from here: http://www.mozilla.org/en-US/firefox/beta/
It wouldn't be a bad idea to make a backup of your current Firefox settings folder first, just in case something goes wrong. This article has tips on that: [[Back up and restore information in Firefox profiles]].

I have tried fixing Firefox by uninstall reinstall that didn't work. I still get the same error message: Firefox has stopped working. May have to change!

I am not the only one having this problem why is Mozilla not doing something about it? I am about fed up & may have to change to a different browser! Firefox was the best browser I've ever had but not anymore! Wish I could go back to the old version--it worked just fine! The new version is when I started having this trouble!
Time for Mozilla to step up & get a fix or you will be losing more than me I think! I've disabled real arcade & most other add-ons. That didn't help either.

Thanks for offering help but I have done all of the above & it didn't work! I am really getting fed up with it every time I close Firefox I get the same msg. "Firefox Has Stopped Working." At other times the msg. comes when I have it open. Then I have to close & restart whatever I was doing.
Don't know what else to do!

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I have windows 7 but my firefox has stopped working - help

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