Firefox crashes when opening Options

Running Fx 4.0 in Win 7 64bit. Whenever I try to customise, as soon as I try to open Options it crashes.

Try to boot the computer in Windows Safe mode with network support (press F8 on the boot screen) as a test to see if that helps.
Do a clean reinstall and delete the Firefox program folder before reinstalling a fresh copy of Firefox.
Download a fresh Firefox copy and save the file to the desktop.
*Firefox 20.0.x: http://www.mozilla.org/en-US/firefox/all.html
Uninstall your current Firefox version, if possible, to cleanup the Windows registry and settings in security software.
*Do NOT remove personal data when you uninstall your current Firefox version, because all profile folders will be removed and you will also lose your personal data like bookmarks and passwords from profiles of other Firefox versions.
Remove the Firefox program folder before installing that newly downloaded 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.
*http://kb.mozillazine.org/Uninstalling_Firefox
Your bookmarks and other profile 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

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Since updating to mac osx10.6.7 firefox crashes when opening google homepage

Firefox crashes when opening home page on google. after clicking restore get this is embarassing note if I click on restore once firefox toolbar comes up. I can than access my bookmarks and browse. however it will still crash at random sites, including any firefox help article. as exampl,e on a comics site doonsberry crashed yesterday opened today and crashed again when I went back to yesterdays site.

* Preferences that have been modified are shown as '''bold (user set)'''.
* Preferences can be '''Reset to the default''' or changed via the right-click context menu.
The preferences on which Reset is greyed (not available), are they appearing in Bold Text or Normal ??

Firefox crashes when opening "Extras Add-ons"

Firefox crashes when opening "Extras>Add-ons" (German user interface - I don't know what the according menu points are labeled in English).
The crash seems to be so severe that no crash ID is created. On every restart after a crash Firefox 4 is in offline mode and has to be switched back to online mode. If needed I could provide a screenshot of the error message shown when firefox crashes.
There were no problems on this machine running firefox 3.xx. The problems occurred after upgrading from firefox 3.6x to firefox 4.

Start Firefox in [[Safe Mode]] to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes). 
See [[Troubleshooting extensions and themes]] and [[Troubleshooting plugins]] 
 
If it does work in Safe-mode then disable all your extensions and then try to find which is causing it by enabling one at a time until the problem reappears. 
You can use "Disable all add-ons" on the [[Safe mode]] start window to disable all extensions. 
You have to close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")

Firefox crashes when opening and the crash report I get is Firefox 3.6.3 Crash Report [@ strlen | nspr4.dll@0x15f9f ].

== Issue
==
Firefox is crashing or closing unexpectedly
== Description
==
Firefox 3.6.3 crashes when opening and the Crash Report [[@ strlen nspr4.dll@0x15f9f ]. It was working perfectly fine and the last three days, I am having difficulty in opening firefox. It crashes with the above crash report every time I open. I came across the bad image error and did a clean reinstall multiple times and that did not help. I have firebug and firecookies as an addon.
== Crash ID(s)
==
bp-5972b384-791f-4667-b3cb-051812100504
== Firefox version
==
3.6
== Operating system
==
windows XP
== User Agent
==
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.1.249.1064 Safari/532.5
== Plugins installed
==
firebug and firecookie

Usually doesn't immediately crash, although that happens also. Usually hangs, then crashes.
Addons are WHY I use Firefox when it works. I am NOT on the bleeding edge any longer. I could go back to boring, boring, Chrome.

Firefox crashes when opening after upgrading to 6.0.2

After upgrading firefox to 6.0.2 firefox crashes upon opening. When I try to open firefox the "Mozilla Crash Reporter" opens up. I tried all the sugestions on the support page. None of these worked. It will open with the computer in safe mode. I can not find where to start firefox in safe mode after upgrading.
I can open it now after running firefox in compatibility mode for windows XP sp2. The problem with this is I have to accept permission everytime I open firefox. If I change user account control settings to not ask every time firefox crashes on opening again.

Your crashreport is: 
[https://crash-stats.mozilla.com/report/index/bp-ecab5c5e-a98f-481e-b83a-caad12110926 https://crash-stats.mozilla.com/report/index/bp-ecab5c5e-a98f-481e-b83a-caad12110926] 
Firefox 6.0.2 Crash Report [@ NS_URIChainHasFlags(nsIURI*, unsigned int, int*) ] 
This crash can be caused by malware as indicated by the Related Bugs. Reason: 
strange dll in stackframe #2 
Do a malware check with some malware scanning programs. 
You need to scan with all programs because each program detects different malware. 
Make sure that you update each program to get the latest version of their databases before doing a scan. 
 
# [http://www.malwarebytes.org/mbam.php http://www.malwarebytes.org/mbam.php] - Malwarebytes' Anti-Malware 
# [http://www.superantispyware.com/ http://www.superantispyware.com/] - SuperAntispyware 
# [http://www.microsoft.com/windows/products/winfamily/defender/default.mspx http://www.microsoft.com/windows/products/winfamily/defender/default.mspx] - Windows Defender: Home Page 
# [http://www.safer-networking.org/en/index.html http://www.safer-networking.org/en/index.html] - Spybot Search & Destroy 
# [http://www.lavasoft.com/products/ad_aware_free.php http://www.lavasoft.com/products/ad_aware_free.php] - Ad-Aware Free 
 
See also: 
"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

Firefox crashes when opening and will not open in safe mode

Recently FF3 started crashing when opening. It will not open in safe mode as well. I have uninstalled it including deleting the install folder and profile folders as well as registry entries. Upon reinstallation is will still not launch in any mode.
I have scanned for malware with several scanners and that has not found anything.
Here is the crash report cause - nsCOMPtr_base::~nsCOMPtr_base() | nsDocShell::SetupNewViewer(nsIContentViewer*)
Anti-virus is Trend Micro Worry Free for Business. I uninstalled it and Firefox and then reinstalled only Firefox and still get the same thing.
I do not know what to try next.

Add-ons: {972ce4c6-7e08-4474-a285-3208198ce6fd}:3.6.3
BuildID: 20100401064631
CrashTime: 1274739594
EMCheckCompatibility: true
Email: [email protected]
FramePoisonBase: 00000000f0dea000
FramePoisonSize: 4096
InstallTime: 1274097386
ProductName: Firefox
ReleaseChannel: release
SecondsSinceLastCrash: 525200
StartupTime: 1274739562
Theme: classic/1.0
Throttleable: 1
URL: http://en-us.start3.mozilla.com/firefox?client=firefox-a&rls=org.mozilla:en-US:official
Vendor: Mozilla
Version: 3.6.3
This report also contains technical information about the state of the application when it crashed.

Firefox crashes when opening a local file (a .jpg photo) click drive, click directory and it crashes.

Firefox crashes when clicking FILE / OPEN FILE / Drive (G:)/and when double clicking the directory containing the file. It happens every time I'm trying to open a local file. Must close, go to Internet Explorer, Opera or Chrome which have no problems doing this.

You are running out of memory. In the stack notice this line:
Caused by: java.lang.OutOfMemoryError: Java heap space
Edit the sqldeveloper.conf file and add this
AddVMOption -Xmx1024M
That will bump it up some.
-kris

Firefox crashes when opened

I Firefox crashes upon opening, I have uninstalled and installed it now 2 times. On initial opening it will work, the future opens it doesn't.
None of these problems occurred until we upgraded to 9.0.1
Desk top running window 7

upgrade your browser to Firefox 9 and check
* getfirefox.com

Firefox crashes when opened through the option "Safe Run for Websites" through Kaspersky Internet Security 2012

Safe Run for Websites in Kaspersky Internet Security 2012 is for browsing websites without the attack of phising sites from storing the date or key strokes. While accessing my online bank account through the said safe run, firefox crashes with an alert msg. by Kaspersky saying "could not initialize the application's security component. The most likely cause is problems with files in your application's profile directory. Please check that this directory has no read/write restrictions and your hard disk is not full or close to full. It is recommended that you exit the application and fix the problem. If you continue to use this session, you might see incorrect application behaviour when accessing security features." How to solve this technical problem? If anybody has a solution, kindly send the same to my email ID : [email protected]

Kaspersky 2012 not compatible with Firefox 9 yet, can you also notify Kaspersky Techsupport and Kaspersky forum about this issue?
* http://forum.kaspersky.com/index.php?showforum=4
* http://support.kaspersky.com/helpdesk.html
if the problem is Kaspersky related, they will fix it through patch via database update

Firefox crashes when opening email in gmail

Hello
Whenever I open gmail and try to read my email FireFox crashes. This is happening with all accounts I have. I am using the MAC Version and on a MacBook Pro. Any advise will be great.
Thanks

AdapterDeviceID: 0x 863
AdapterVendorID: 0x10de
Add-ons: [email protected]:1.0,[email protected]:1.5.3,{0545b830-f0aa-4d7e-8820-50a4629a56fe}:12.8,{097d3191-e6fa-4728-9826-b533d755359d}:0.7.18,{D4DD63FA-01E4-46a7-B6B1-EDAB7D6AD389}:0.9.10,{dc572301-7619-498c-a57d-39143191b318}:0.4.0.3,{23fcfd51-4958-4f00-80a3-ae97e717ed8b}:2.1.2.145,gmailwatcher@sonthakit:1.55,{29dd9c80-9ea1-4aaf-9305-a0314aba24e3}:2.3.1r14,{972ce4c6-7e08-4474-a285-3208198ce6fd}:15.0.1
BuildID: 20120905151427
CrashTime: 1349569714
EMCheckCompatibility: true
Email:
FramePoisonBase: 7ffffffff0dea000
FramePoisonSize: 4096
InstallTime: 1347300270
Notes: AdapterVendorID: 0x10de, AdapterDeviceID: 0x 863GL Context? GL Context+ GL Layers? GL Layers+
ProductID: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}
ProductName: Firefox
ReleaseChannel: release
SecondsSinceLastCrash: 36986
StartupTime: 1349569557
Theme: classic/1.0
Throttleable: 1
URL: https://mail.google.com/mail/u/0/?shva=1#inbox/13a2e357bec5f683
Vendor: Mozilla
Version: 15.0.1
This report also contains technical information about the state of the application when it crashed.

Firefox crashes when opening any page especially email

Firefox has suddenly started to crash when I open up any page but especially when I click through an email. I don't have a problem when I fire up Firefox by clicking the icon in my task bar, it's only when I want to view a page in any other way.
Does anyone know how I can fix this issue, I'm not very technically minded so step by step would be most appreciated.

Hi Madperson
One of my crash reports is as follows :-
AdapterDeviceID: 0x0046
AdapterDeviceID: 0x8086
Add-ons: (D19CA586-DD6C-4a0a-96F8-14644F340D60):14.4.1,(d40b90b4-d3b1-4d6b-a5d7-dc041c1b76C0):3.13.0.6(336D0C35-8A85-403a-B9D2-65C292C39087):2.0.0.441,(841468a1-d7f4-4bd3-84e6-bb0f13a06c64):1.300.426,(4ED1F68A-5463-4931-9384-8FF5ED91D92)3.4.1.195,[email protected]:12.1.1084,(972ce4c6-7e08-4474-a285-3208198ce6fd):12.0,userzoom_tool@jetpack:3.2
I'm not saying this crash report is bang on accurate because I had to copy it out by hand, but I did my best. There may be other crash reports but as I was only able to copy them by hand I didn't make a note of them, so when they happen again I will do so. I hope this crash report helps you solve my Mozilla issue.
Thank you

Firefox crashes when opening new tab

Crash-ID: bp-681f1751-fc5b-4f14-a30b-f93ed2150407
I have tryed:
Clean install (with removing of C:prog..\mozilla)
Uninstalling and deleting extensions
Restarted Firefox in safe mode without addons/extensions.
Uninstalling/updating flash/adobe
I can start firefox, but when i press the "+" to open a new tab Firefox closes and "Mozilla Crash-report" window opens.
It seems like firefox it self can open a tab. For example when i do a fresh installation, Firefox opens with 2 tabs.
But when i want to open one it fails and Firefox shuts down. Its really wierd because i have never run in to this kind of problem before and i dont recall installing anything new before this problem showed up.

''avfallskvarn [[#question-1056211|said]]''
<blockquote>
Crash-ID: bp-681f1751-fc5b-4f14-a30b-f93ed2150407
I have tryed:
Clean install (with removing of C:prog..\mozilla)
Uninstalling and deleting extensions
Restarted Firefox in safe mode without addons/extensions.
Uninstalling/updating flash/adobe
I can start firefox, but when i press the "+" to open a new tab Firefox closes and "Mozilla Crash-report" window opens.
It seems like firefox it self can open a tab. For example when i do a fresh installation, Firefox opens with 2 tabs.
But when i want to open one it fails and Firefox shuts down. Its really wierd because i have never run in to this kind of problem before and i dont recall installing anything new before this problem showed up.
</blockquote>
''cor-el [[#answer-714817|said]]''
<blockquote>
What is the setting of the new tab page?
You can check the browser.newtab.url pref on the about:config page.
You can open the about:config page via the location/address bar.
You can accept the warning and click "I'll be careful" to continue.
*http://kb.mozillazine.org/about:config
See this article about the New Tab page (about:newtab):
*https://support.mozilla.org/kb/new-tab-page-show-hide-and-customize-top-sites
</blockquote>
Thx! For some reason the string was set to "about:newtab" or something like that. Changed the name to my default homepage and the problem was fixed. Any ideas on why this happend? I didn't change it myself.
Never the less! Thank you for saving my haircolour from turning gray of frustration. Was worried i had to turn to Chrome or.... IE....

Firefox Crashes when opening -- Win 8.1

Hi,
About a month ago i wiped my laptop and upgraded from 7 to 8.1. Now when i try and use Firefox, it will open for 1-2 seconds, then crash. I had AVG, un-installed that and now use Avast. I also used Hitman Pro alert, and un-installed that to make sure -- cant figure it out for the life of me.
Crash ID: bp-bb0b77dd-fd37-4132-8883-31aac2140423
Thanks.

In case your Firefox program files have become corrupted somehow, you may also want to replace them. The following method does not involve uninstalling Firefox, just hiding the existing program folder and re-running the installer.
(1) Download a fresh installer from https://www.mozilla.org/firefox/all/ to a convenient location. (Scroll down to your preferred language.)
(2) Exit out of Firefox (if applicable).
(3) Rename the folder
C:\Program Files (x86)\Mozilla Firefox
to
C:\Program Files (x86)\OldFirefox
(4) Run the installer you downloaded in #1. It should automatically connect to your existing settings.
Any improvement in behavior?
Note: Some plugins may exist only in that OldFirefox folder. If something essential is missing, look in these folders:
* C:\Program Files (x86)\OldFirefox\Plugins
* C:\Program Files (x86)\OldFirefox\browser\plugins

On Mac, Firefox crashes when opening Yahoo Mail with attachment

On IMAC using OS 10.4 Firefox crashes completely when using Yahoo Mail to open email with attachment. Also crashes when attempting to attach photo to outgoing email. Email without attachments do not crash Firefox.

Installing a Flash plug-in took care of this problem

Firefox crashes when opened even after all tips here applied

Have tried it all and as soon as I put home page different than default one firefox crashes at start unless in safe mode

See:
*http://kb.mozillazine.org/Firefox_crashes
*https://support.mozilla.org/kb/Firefox+crashes
Can you start Firefox in Safe mode?
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
You can use one of these to start Firefox in Safe mode:
*On Windows, hold down the Shift key while starting Firefox with a double-click on the Firefox desktop shortcut
*On Mac, hold down the Options key while starting Firefox
*Help > Restart with Add-ons Disabled
*https://support.mozilla.org/kb/Safe+Mode
Try to disable hardware acceleration in Firefox.
*Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
*https://hacks.mozilla.org/2010/09/hardware-acceleration/
*https://support.mozilla.org/kb/how-do-i-upgrade-my-graphics-drivers

Firefox crashes when opening Options

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