Browser will not start up: Difference between revisions

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(Problematic plugins prevent browser from starting)
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If Firefox or Mozilla Suite/SeaMonkey fails to start, Your first step should be to restart the computer and then try again.  If it still fails to start,  then this article may help.
If Firefox or SeaMonkey fails to start, Your first step should be to restart the computer and then try again.  If it still fails to start,  then this article may help.
 
*If it starts up but won't load any web pages, then read [[Error loading websites]].   
*If it starts up but won't load any web pages, then read [[Error loading websites]].   
*If it starts up but immediately closes, (whether or not you see the  [[Mozilla Crash Reporter]]  or another error message)  see [[Firefox crashes]] and [[Firefox_crashes#Crash_when_starting_Firefox|Crash when starting Firefox]].  
*If it starts up but immediately closes, (whether or not you see the  [[Mozilla Crash Reporter]]  or another error message)  see also [[Firefox crashes]] and [[Firefox_crashes#Crash_when_starting_Firefox|Crash when starting Firefox]].  
*If it starts up but immediately hangs (stops responding) see [[Firefox hangs]].
*If it starts up but immediately hangs (stops responding) see also [[Firefox hangs]].


==Browser process from previous session did not exit==
==Browser process from previous session did not exit==
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If you see the message, ''XULRunner - Error: Platform version <x.x.x.x> is not compatible with minVersion <x.x.x.x> ....''  after a [[Software Update]] ("<x.x.x.x>" depends on version number),   
If you see the message, ''XULRunner - Error: Platform version <x.x.x.x> is not compatible with minVersion <x.x.x.x> ....''  after a [[Software Update]] ("<x.x.x.x>" depends on version number),   
use another browser to download the Firefox installer from [http://www.mozilla.com mozilla.com], save it to the desktop or other location, and then delete the Firefox [[installation directory]] and reinstall Firefox.  For detailed instructions, see [[Standard diagnostic - Firefox#Clean reinstall]].  This problem is sometimes caused by a security program (such as Zone Alarm Extreme Security) that is preventing changes to the "application.ini" file when you update Firefox.  [http://forums.mozillazine.org/viewtopic.php?f=38&t=1006775]  [http://support.mozilla.com/en-US/questions/704326]
use another browser to download the Firefox installer from [http://www.mozilla.com mozilla.com], save it to the desktop or other location, and then delete the Firefox [[installation directory]] and reinstall Firefox.  For detailed instructions, see [[Standard diagnostic - Firefox#Clean reinstall]].  This problem is sometimes caused by a security program (such as Zone Alarm Extreme Security) that is preventing changes to the "application.ini" file when you update Firefox.  [http://forums.mozillazine.org/viewtopic.php?f=38&t=1006775]  [http://support.mozilla.com/en-US/questions/704326]
==Problematic plugins prevent browser from starting==
Depending on your browser version and OS, Firefox or SeaMonkey may hang when you try to start it, or it may crash at startup, because of problematic plugins.  Visit Mozilla's [http://www.mozilla.com/en-US/plugincheck/  Plugin Check page] and update outdated plugins.  If the problem persists, you can make a note of each plugin's location and then manually remove all plugins to another location, such as the desktop.  See [[Issues related to plugins]] for details and plugin locations.  If this resolves the problem,  move each plugin back to its original location, one at a time, and test in between until the culprit is found.  Plugins known to cause this problem on Mac OS include "WebEx.plugin" and old versions of "huludesktop.webplugin" and "Flash Player.plugin".  [http://forums.mozillazine.org/viewtopic.php?f=38&t=2062997&start=45]


==Windows-specific problems==
==Windows-specific problems==

Revision as of 13:37, 29 July 2011

If Firefox or SeaMonkey fails to start, Your first step should be to restart the computer and then try again. If it still fails to start, then this article may help.

Browser process from previous session did not exit

If the Firefox or SeaMonkey browser process from the previous session did not exit properly, the next time you attempt to start your Mozilla browser it may fail to start with no error messages. Attempts to restart the browser may result in multiple instances of Firefox or SeaMonkey in the processes list. You will not be able to start the browser until you first end all browser processes or restart the computer. (If this is a recurring problem, read this for other possible solutions.) [1] [2]

Profile locked

One of the following messages can appear when you start your Mozilla browser, if the profile is inaccessible or "locked":

  • Profile in Use: The Profile Manager appears along with a message that the selected profile is already "in use" when you attempt to start your Mozilla browser.
  • Close Firefox: A "Close Firefox" box appears with one of these messages [3] (Starting in SeaMonkey 2, a Close SeaMonkey box may appear with a similar message):
    • "Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system."
    • "A copy of Firefox is already open. Only one copy of Firefox can be open at a time."

Ending the browser process or restarting the system will normally unlock the profile. If not, see this article article for further instructions.

XULRunner error after an update

If you see the message, XULRunner - Error: Platform version <x.x.x.x> is not compatible with minVersion <x.x.x.x> .... after a Software Update ("<x.x.x.x>" depends on version number), use another browser to download the Firefox installer from mozilla.com, save it to the desktop or other location, and then delete the Firefox installation directory and reinstall Firefox. For detailed instructions, see Standard diagnostic - Firefox#Clean reinstall. This problem is sometimes caused by a security program (such as Zone Alarm Extreme Security) that is preventing changes to the "application.ini" file when you update Firefox. [4] [5]

Problematic plugins prevent browser from starting

Depending on your browser version and OS, Firefox or SeaMonkey may hang when you try to start it, or it may crash at startup, because of problematic plugins. Visit Mozilla's Plugin Check page and update outdated plugins. If the problem persists, you can make a note of each plugin's location and then manually remove all plugins to another location, such as the desktop. See Issues related to plugins for details and plugin locations. If this resolves the problem, move each plugin back to its original location, one at a time, and test in between until the culprit is found. Plugins known to cause this problem on Mac OS include "WebEx.plugin" and old versions of "huludesktop.webplugin" and "Flash Player.plugin". [6]

Windows-specific problems

No Mozilla applications will start

This can be caused by an incorrect setting in the Windows registry. If you attempt to install the Opera browser as a workaround, or if you attempt to install or remove various Microsoft applications, you will see an error similar to, Error 1606: Could Not Access Network Location. See this Microsoft support article for details, including a fix you can download. [7]

Procedure entry point js_SaveRegExpStatics error in js3250.dll after updating Firefox

Firefox may fail to start after updating and you may see the error, The procedure entry point js_SaveRegExpStatics could not be located in the dynamic link library js3250.dll. [8] (For other update errors, see the Software Update article.) As a workaround, open the Firefox installation directory (usually C:\Program Files\Mozilla Firefox) and look for two "js3250.dll" files (the second one will be named "js3250.dll.moz-backup"). Rename "js3250.dll" to "Xjs3250.dll" and then rename the backup file to "js3250.dll". This should allow Firefox to start but you will still need to update Firefox. Updating Firefox may resolve the issue but if the problem persists, download the Firefox setup file from www.mozilla.com, remove the "Mozilla Firefox" program folder and then reinstall Firefox.

Firefox does not start after updating with ZoneAlarm ForceField enabled

If you use ZoneAlarm ForceField (either standalone or as part of ZoneAlarm Extreme Security) Firefox may crash at startup or fail to start after an update. Try clearing the ZoneAlarm virtual cache (go to "Browser Security -> Settings -> Advanced", and click "Clear Virtual Data" in ZoneAlarm Extreme Security) or turn off Forcefield and restart Firefox. [9] [10] If the problem persists, download the Firefox setup file from www.mozilla.com, remove the "Mozilla Firefox" program folder and then, with ZoneAlarm ForceField turned off, reinstall Firefox. If you need more help, contact ZoneAlarm Support.

Firefox does not start when System Mechanic is installed

Firefox may fail to start if the Iolo System Mechanic application is installed. You may see an error message similar to: Firefox.exe - Application Error. The instruction at “0x5a9288f8” referenced memory at “0x5a9288f8”. The memory could not be “written”. (the memory address varies). Internet Explorer, Google Chrome, or other browsers may also fail to start. See if updating System Mechanic fixes the problem or, if don't need the program, consider uninstalling it. As a workaround, try disabling the two System Mechanic services. You can also try renaming the "ioloHL.dll" file in the C:\Program Files\iolo\Common\Lib folder. [11] [12]

Firefox does not start after installing the WinAmp Toolbar

Firefox may not start after installing the WinAmp media player, if the toolbar option is selected during installation. [13] You will need to Start Firefox in Safe Mode then uninstall the WinAmp Toolbar via the Firefox Add-ons manager ("Tools -> Addons -> Extensions").

Application fails to start because js3250.dll or other program files are missing

If you see message, This application has failed to start because js3250.dll was not found. Re-installing the application may fix this problem. you must reinstall Firefox (or other Mozilla browser) and check your system for malware. See This application has failed to start because js3250.dll was not found for more information.

"The program must close to allow a previous installation attempt to complete. Please restart." on Vista

If you are receiving this message when attempting to start Firefox and a restart has no effect, delete the “xpicleanup.dat” file, located in the C:\Users\<username>\AppData\Local\VirtualStore\Program Files\Mozilla Firefox folder. If you have problems finding or deleting this file, follow these steps:

  1. Restart your system, or if you know how, terminate all Firefox and xpicleanup processes with Task Manager.
  2. Go to "Start -> Start Search" and type in %APPDATA%.
  3. From there, navigate to Local\VirtualStore\Program Files\Mozilla Firefox
  4. Delete the file "xpicleanup.dat".

You should now be able to start Firefox. [14] [15]

If the problem persists, restart the system or use Task Manager again, then delete the "xpicleanup.exe" file in the Firefox installation directory (usually C:\Program Files\Mozilla Firefox). [16]

"Error opening file for writing..." on Vista

Firefox may require you to be logged in as an administrator. As a workaround, to launch Firefox, right-click the icon and choose "Run As Administrator".[17][18]

Linux-specific problems

Ownership

If you used "sudo" to install Firefox and it starts at the end of the install process and runs when you log in as root but fails to run as a normal user, then check the ownership of "$HOME/.mozilla" and subdirectories. The symptoms are that you won't get any error messages, and Firefox will exit with a value of 1. The ownership of "$HOME/.mozilla" and subdirectories may be set to "root:root", and you will need to execute

chown -R <username>:<usergroup> $HOME/.mozilla

at the command line to get Firefox to work (Firefox 1.0.x).

Similarly other users on the system may need their ".mozilla" folder 's permissions changed using "chown" as shown above.

Fedora 4 libstdc++

When you run from the console window the command /{path to download location}/firefox/firefox you may see

/usr/local/firefox/firefox-bin: error while loading shared libraries: 
libstdc++.so.5: cannot open shared object file: No such file or directories

On Fedora 4, you need to install libstdc++ by running yum install /usr/lib/libstdc++.so.5. After running this, rpm -qf /usr/lib/libstdc++.so.5 should print compat-libstdc++-33-3.2.3-47.fc4.

"/lib/i686/libc.so.6: version 'GLIBC_2.3' not found required by /{path to download location}/firefox/libxpcom.core.so"

If you see

/lib/i686/libc.so.6: version 'GLIBC_2.3' not found required by /{path to download location}/firefox/libxpcom.core.so

or something similar when starting Firefox, then the library is not new enough to support Firefox 1.5 and possibly previous versions. Updating GLIBC is not advised as other applications depend upon it. If possible, migrate to a newer Linux distribution with an updated version of GLIBC.

Mac-specific problems

Firefox 4 does not start on Mac OS X 10.4 or PPC Mac OS X 10.5

Firefox 4 requires at least Mac OS X 10.5 and will only run on an Intel Mac. If you install Firefox 4 on Mac OS X 10.4 or on PPC Mac OS X 10.5 it will not work. You may see an error message such as, You cannot use the application Firefox.app with this version of Mac OS X or, You cannot open the application "Firefox" because it is not supported on this architecture. Users with Mac OS X 10.4 or PPC Mac OS X 10.5 can install Firefox 3 after first removing Firefox 4. Another option is TenFourFox, which is based on Mozilla 2.0 and Firefox 4 code. [19][20] [21] [22] [23]

Firefox 3 does not start on Mac OS X 10.3.9 or below

Firefox 3 requires Mac OS X 10.4 or above. [24] Mac OS X 10.3 and 10.2 users can install Firefox 2 after first removing Firefox 3.

Other solutions

External links