Firefox will not open even in the safe mode

Started with the addition of beta 4 where gmail would not open and it froze firefox. Added whatever the new addition was yesterday (3/14/11) and then firefox would not even open. Tried safe mode but it still will not open. Error message below

Do a clean (re-)install:
* Download a fresh Firefox copy and save the file to the desktop.
* http://www.mozilla.com/firefox/all-beta.html
* Remove the Firefox program folder before installing that copy of the Firefox installer.
* Don't remove personal data if you uninstall the current version.
* 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.
Create a new profile exclusively for the Firefox 4 version and create a desktop shortcut with -P "profile" appended to the target to launch that profile.
* http://kb.mozillazine.org/Testing_pre-release_versions
* http://kb.mozillazine.org/Creating_a_new_Firefox_profile_on_Windows
* http://kb.mozillazine.org/Shortcut_to_a_specific_profile
* http://kb.mozillazine.org/Using_multiple_profiles_-_Firefox

Similar Messages

Firefox will not open at all (regular, safe mode, profile manager).

Firefox hung while using the Garmin import plugin on the mapmyrun.com page. No crash report was provided. After closing it, firefox will no longer open.
It appears in the taskmanager momently, but then disappears before any window appears. It never consumes more than 1004K of RAM before it disappears.
It will not open in regular mode, safe mode, or in profile manager. In each case the result is the same.
I rebooted. No change.
I reinstalled it over itself. No change.
I completely uninstalled it, and then reinstalled it. No change.
I deleted sessionstore.js and replaced it with sessionstore.bak. No change.
I can't open the profile manager.

You can do a disk check with the chkdsk.exe program.
If you run the chkdsk.exe program from a cmd.exe Command window then you can read the response from the chkdsk.exe program.
Open a cmd.exe window:<br />
Start > Run: cmd.exe <press Enter>
At the command prompt (>) type or Copy&Paste: chkdsk.exe /f /r <press Enter> (put a space before /f and /r)
If you get something like: Would you like to schedule this volume to be checked the next time the system restarts? y/n then answer the question with "Y" and close all programs and reboot the computer.
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 and the plugin-container process.
See:
* [[Server not found]]
* [[Firewalls]]
* http://kb.mozillazine.org/Browser_will_not_start_up

Firefox will not open in regular or safe mode?

I am unable to open Firefox regular or safe mode. Last night it began to update on its' own and crashed. I immediately tried to open Firefox but was unable to do so. Now after rebooting numerous times, I still can't open it. No parts of FF are running in the task manager. I don't know what to do. Can anyone help me please?

Do a clean reinstall.
Download a fresh Firefox copy and save the file to the desktop.
* Firefox 6.0.x: http://www.mozilla.com/en-US/firefox/all.html
* Uninstall your current Firefox version.
* Do not remove personal data when you uninstall the current version.
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.
Your bookmarks and other profile data are stored elsewhere in the Firefox Profile Folder and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.
* http://kb.mozillazine.org/Profile_folder_-_Firefox
* http://kb.mozillazine.org/Profile_backup

After installing 3.6 FF won't open even in the safe mode, I click on the icon and nothing happens at all

I installed 3.6 and now FF won't open even in the safe mode. I restored my computer setting back to where I was running 3.5.13 but it still doesn't work...some files must have been deleted when I upgraded that weren't put back even when going back to the older version but I have no idea what to look for or what to do even if I find them. Can you please help me?

Using system restore can create problems as well as solving them. I have seen system restore destroy a Firefox setup. The installation may be OK but to be sure perform a clean install
# [http://kb.mozillazine.org/Uninstalling_Firefox Uninstall Firefox]
# Delete the Firefox [http://kb.mozillazine.org/Installation_directory Installation directory], default location C:\Program Files\Mozilla Firefox\
# Download the latest version from http://www.mozilla.com/ and install it
If Firefox still does not start, try creating a new profile folder. Firefox stores user data in a profile folder, creating a new profile will show if the problem is with the old profile. For how to do that see [http://kb.mozillazine.org/Creating_a_new_Firefox_profile_on_Windows creating a new Firefox profile on Windows].
If the new profile works, you can copy selected data such as bookmarks and passwords to the new profile. For details see [http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox transferring data to a new profile]. Do not copy the preferences file, and it is best to re-install any add-ons.

Firefox will not open even after update or in safe mode using windows button + R

Tried solitions given on site using IE. Firefox will not start at all, did latest update and tried safe mode start.
Only get box stating it has encounterd a problem and crashed. I only use firefox and have so many bookmarks I really don't want to uninstall and start over.

We're sorry to hear that your Firefox seems to be crashing when you open it. Please perform the following steps to give us a crash report ID that helps us find out more about the cause of the crash.
#Press the following shortcut to get a Run window: [Windows] + [R]. This should bring up a window that contains a text field.
#In that text field, enter %APPDATA% and press Enter. An explorer window should open.
#From that explorer window, double-click on the ''Mozilla'' folder, then double-click on ''Firefox'' and then on ''Crash reports''. Double-click on ''submitted''.
#Now, you should see a list of files that contain reports. Go to ''View'' > ''Arrange Icons by'' > ''Modified'' to get the most recent files at the top of the window.
#Open the most recent 5 files with a text editor and copy the IDs.
#Paste each ID with '''bp-''' into the reply window on the forums.
Thanks in advance!
You can find more information and troubleshooting steps in the [[Firefox crashes]] article.

Firefox will not open even with new profile

When I attempt to open Firefox nothing happens on screen. I have created a new profile still no joy. In the Windows Task Master Process window Firefox.exe is shown. I have attempted to update Firefox no joy I have uninstalled and reinstalled Firefox still no joy. I know that it is working in the background but where and how can I bring it to the foreground

Hi cor-el, and thanks
Have checked the Firewall that is ok and have allowed any mention of Firefox to have Internet acess , still no joy, I am using Zone Alarm.
I do not get any messages when I attempt open Fire Fox just the browser does not open. I can see in the Task Manager that Firefox has started and is sitting idle but no Browser window.
I End Task in the Task Manager before I attempt to start Fire Fox again after I have made any changes such as the changes to Zone Alarm as mentioned before. Then I attempt to start Firefox again and still no joy.

After firefox 18.0.1 update firefox will not open even in safe mode?

I updated firefox and it wouldnt open. i uninstalled twice with no luck. crashed twice before the update yesterday now it wont open at all

[[Firefox 18 crashes on startup due to malware - how to fix]]

I had a pop-up from Mcafee yesterday with option to block a particular access request, today Firefox will not open but shows the message with "try again" -please help.

I assume that I inadvertantly authorized McAfee to block Firefox .
How to unblock ?
thanks for helping.

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!

Firefox will not open to home page as directed in options and settings. Opening in safe mode makes no difference, either. Any ideas?

Firefox will not open to home page as set in the settings. Even in safe mode, it still will not open to home page as directed. It seems to want to open to last set of tabs, even though that is not the way it was set in settings. It seems as though the settings do not have any impact on the way it behaves!!!

Create a new profile as a test to check if your current profile is causing the problems.
See "Creating a profile":
*https://support.mozilla.org/kb/profile-manager-create-and-remove-firefox-profiles
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues
If the new profile works then you can transfer some files from an existing profile to the new profile, but be careful not to copy corrupted files.
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox
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.
*http://kb.mozillazine.org/Profile_folder_-_Firefox
*http://kb.mozillazine.org/Profile_backup
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

Firefox will not open. Hangs at "connecting" stage. Non-responsive even to process shut-down via task manager.

Starting yesterday, Firefox will not open at all. It hangs at the "connecting stage." For hours. It will not shut down even using the task manager for applications or processes, and it locks up virtually every other application. I thought I managed to save an open Word document yesterday - it looked like a slow, but normal save during the Firefox hang, but the document was empty when I restarted my computer.
Even though my machine is not pentium 4 based, I tried starting using the Windows XP/M configuration, I downloaded and re-installed (over the top of) the existing version, I verified that no Mozilla processes were running before trying to start Mozilla, and tried creating a new profile. Absolutely no success. Every time (of the dozens) I have tried to start Firefox I have had to force a hard shut-down to get out of the application. I have now unpinned Firefox from my task bar because I keep forgetting and hitting it by reflex.
I am running version 11.0 (at least that is what I just downloaded - I am not positive what I was running yesterday). My system is Windows 7 Home Premium, Intel Core i3, 2.4 gHz, 4 GB RAM, 64 bit OS.
Next option is to restore to a previous version. If that doesn't work, I will uninstall and start over from scratch.

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 and the plugin-container 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.org/kb/Server+not+found
*https://support.mozilla.org/kb/Firewalls
*http://kb.mozillazine.org/Browser_will_not_start_up

I have no navigation bar and firefox will not open in safe mode to reset to default config. Reinstalling doesn't work. Any help please.

I have no navigation bar ever since I closed it to gain more space on the screen. It won't re-open. Firefox will not open in safe mode, but opens immediately in normal mode with the new improper config, so I cannot reset to default config. I erased Firefox and re-installed and it still opens with the same faulty config. Why does Firefox not give me the safe mode dialog box, why can I not re-open the nav bar, and how can I do these two things, please? Firefox is currently unusable for me without a nav bar and without access to the default settings in safe mode. I cannot research the extensions I'm running since I have no nav bar to go to Tools, Add-ons, Extensions.
== This happened ==
Every time Firefox opened
== I closed the navigation bar to gain more space on the screen and I couldn't re-open it. ==
== 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)

Hit the '''Alt''' key to show the Menu bar, then open View > Toolbars and select Menu bar and Navigation bar, so they have a check-mark.

Firefox will not open unless I run it in compatibility mode (Windows XP SP 3), run it as an administrator, or launch it immediately after a reinstall (the reinstall thing only works once.) How do I fix this?

This morning, Firefox crashed. After this, when I click the Firefox icon, the hourglass appears and then nothing happens. Firefox does briefly appear in the task manager when I do this.
I tried rebooting. I tried reinstalling multiple times. (Firefox will run when I select "Launch Firefox" from the installer. Then the problem occurs again.) I tried safe mode. I have found that Firefox will work if I select Windows XP compatibility mode from the icon properties menu or if I run the program as an administrator. When I do this, Windows asks me if I want a program to be able to make changes to my computer.
I have noticed that a Windows Error Report is being generated each time Firefox will not open.

A possible cause is security software (firewall,anti-virus) 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 and the plugin-container 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.org/kb/Server+not+found
*https://support.mozilla.org/kb/Firewalls

Firefox will not open on my computer, even after reinstall. Please help?

I've been using Firefox for a long time and it's been working well. I'm on acer Windows 7. However now it will not open even when I try to run "C:\Program Files\Mozilla Firefox\firefox.exe". Chrome or Internet Explorer work fine. I also reinstalled Firefox and it still doesn't work.
Here's the id of my latest crash (from 30.4.2014): bp-4e981129-aea6-4b23-87a2-739b42140430
Thank you for any help with fixing this.

Create a new profile as a test to check if your current profile is causing the problems.
See "Creating a profile":
*https://support.mozilla.org/kb/profile-manager-create-and-remove-firefox-profiles
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues
Profile Backup and Restore
*http://kb.mozillazine.org/Profile_backup
*https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

Firefox will not open at all. I only get the Mozilla Crash Reporter over and over.

After updating yesterday, Firefox will not open. I repeatedly get the Mozilla Crash Reporter. I've scanned my computer for malware, I've tried to open it in safe mode (it won't), I've completely uninstalled and reinstalled Mozilla, but nothing works. Each time I reinstall, I still get the Mozilla Crash Reporter. The program will not open at all.
I ran my crash ID. Here is the info: bp-eff196eb-ed21-45ee-83c6-e0fc42130123

hello, this crash is caused by Websense Endpoint security software that is running on the system. please try to install all the updates for this program that are available...

Firefox will not open Basic Charts or Basic Tech. Analysis chart in Yahoo Finance. Regardless which of the 3 choices, only Interactive chart comes up ? ? ?

Firefox will not open Basic Charts or Basic Tech. Analysis in Yahoo Finance.
Regardless of which of the 3 chart choices you click on only the Interactive chart comes up.
It worked earlier this week and still works in “Exploder”.
Anyone know what’s going on, I don’t want to go back to “Exploder”
XP, SP-3, Firefox 33.0
Thanks

Can you provide a web link to these things?
Many site issues can be caused by corrupt cookies or cache.
* Clear the Cache and
* Remove Cookies '''''Warning ! ! '' This will log you out of sites you're logged in to.'''
Type '''about:preferences'''<Enter> in the address bar.
* '''Cookies;''' Select '''Privacy.''' Under '''History,''' select Firefox will '''Use Custom Settings.''' Press the button on the right side called '''Show Cookies.''' Use the search bar to look for the site. Note; There may be more than one entry. Remove '''All''' of them.
* '''Cache;''' Select '''Advanced > Network.''' Across from '''Cached Web Content,''' Press '''Clear Now.'''
If there is still a problem,
'''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode]''' {web link}
While you are in safe mode;
Type '''about:preferences'''<Enter> in the address bar
Select '''Advanced > General.'''
Look for and turn off '''Use Hardware Acceleration'''.
Poke around safe web sites. Are there any problems?
Then restart.

Firefox will not open even in the safe mode

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