Firefox won't open on some managed machines

Hello,
We've been using Safari on our school's managed Macs. I have downloaded Firefox on 96 Science MacBooks since they use a program that works better with Firefox. I have given the computer workgroup permission to open Firefox, but it won't open on about half of the laptops. The dock icon bounces once, but then stops. Any solutions? Thanks!

We have this same problem at one of our schools: Local Admin account can launch FireFox, and browse to his heart's content, network managed clients get a blank page. Randy's process did not fix it, however did carry the preferences over.
FireFox 3 STILL opens with a blank page for a managed user. When attempting to type a URL into the address bar then hitting enter or clicking the arrow to go to that URL, the browser does nothing. Literally, it doesn't even try to load a page.
I've posted at the Mozilla forums as well, but no one seems to be getting anywhere there, either.
http://support.mozilla.com/tiki-viewforum_thread.php?forumId=1&commentsparentId=101655
The odd thing is, at our Middle School and High School, we use Active Directory AND Open Directory with Workgroup Managed Clients, and this is not an issue.

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''arcandl [[#question-1038482|said]]''
<blockquote>
I'm running Firefox on a Windows 7 machine. Firefox won't open following the latest update. I've read the help articles and it seems like I need to create a new profile because my settings have likely been corrupted. I'm unable to open Profile Mgr, even when using entire directory path in cmd line. I've tried the following commands in the command line:
firefox -p
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I'm also running Norton Internet Security. I read a help article Re Virtual Browsing features possibly causing a problem. The article said to check the virtualization setting in the internet security software and to clear the virtual cache. I went thru all of the settings menus in Norton Internet Security version 21.6.0.32 and I didn't see anything that looked like 'virtualization" settings, so I assumed that this doesn't apply to me.
If you have any ideas, I'd sure appreaciate your expertise!!
</blockquote>
''philipp [[#answer-670108|said]]''
<blockquote>
hello arcandl, when firefox isn't launching after you double-click on the shortcut this is sometimes also a sign of malware being active on a system.
you might want to try running a scan with some different other security tools like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes] and [http://www.bleepingcomputer.com/download/adwcleaner/ adwcleaner] which are specialised in removing adware and browser hijackers.
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</blockquote>
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** http://kb.mozillazine.org/Firefox_hangs
** https://support.mozilla.com/en-US/kb/Firefox+is+already+running+but+is+not+responding
* You may need to try Firefox Safe Mode
** You may need to use '''Safe Mode''' to locate the problem: http://support.mozilla.com/en-US/kb/Safe+Mode
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*** http://support.mozilla.com/en-US/kb/Troubleshooting+extensions+and+themes
*** http://support.mozilla.com/en-US/kb/Troubleshooting+plugins
*** http://support.mozilla.com/en-US/kb/Basic+Troubleshooting

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gdb firefox
GNU gdb (GDB) 7.5.1
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/firefox...(no debugging symbols found)...done.
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The program is not being run.
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warning: Could not load shared library symbols for linux-vdso.so.1.
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[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
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File "/usr/share/gdb/auto-load/usr/lib/libgobject-2.0.so.0.3400.3-gdb.py", line 9, in <module>
from gobject import register
File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
import gdb.backtrace
ImportError: No module named backtrace
[New Thread 0x7fffe87f9700 (LWP 6148)]
[New Thread 0x7fffe77df700 (LWP 6149)]
[New Thread 0x7fffe6bff700 (LWP 6150)]
[New Thread 0x7fffe5de4700 (LWP 6151)]
[New Thread 0x7fffe55e3700 (LWP 6152)]
[New Thread 0x7fffe49e2700 (LWP 6153)]
[New Thread 0x7fffe41e1700 (LWP 6154)]
[New Thread 0x7fffe39e0700 (LWP 6155)]
[New Thread 0x7fffe2dff700 (LWP 6156)]
[New Thread 0x7fffe1e9f700 (LWP 6157)]
[New Thread 0x7fffe12ff700 (LWP 6158)]
[New Thread 0x7fffe03ff700 (LWP 6159)]
[New Thread 0x7fffde1ff700 (LWP 6160)]
[New Thread 0x7fffdd9fe700 (LWP 6161)]
[New Thread 0x7fffdcbff700 (LWP 6162)]
[New Thread 0x7fffdc1ff700 (LWP 6163)]
[Thread 0x7fffdcbff700 (LWP 6162) exited]
[Thread 0x7fffdc1ff700 (LWP 6163) exited]
[New Thread 0x7fffdb9fe700 (LWP 6164)]
[New Thread 0x7fffdcbff700 (LWP 6165)]
[Thread 0x7fffdcbff700 (LWP 6165) exited]
[New Thread 0x7fffdcbff700 (LWP 6166)]
[New Thread 0x7fffdc1ff700 (LWP 6167)]
[New Thread 0x7fffda48b700 (LWP 6178)]
[New Thread 0x7fffd9c8a700 (LWP 6203)]
[Thread 0x7fffd9c8a700 (LWP 6203) exited]
[Thread 0x7fffe1e9f700 (LWP 6157) exited]
[New Thread 0x7fffd9c8a700 (LWP 6239)]
[New Thread 0x7fffe1e9f700 (LWP 6240)]
[New Thread 0x7fffd9489700 (LWP 6241)]
[New Thread 0x7fffd8c88700 (LWP 6242)]
[New Thread 0x7fffd8487700 (LWP 6243)]
[New Thread 0x7fffd7c86700 (LWP 6244)]
[New Thread 0x7fffd7485700 (LWP 6245)]
[Thread 0x7fffd7485700 (LWP 6245) exited]
[New Thread 0x7fffd7485700 (LWP 6246)]
[New Thread 0x7fffd6c84700 (LWP 6247)]
[New Thread 0x7fffd6483700 (LWP 6248)]
[New Thread 0x7fffd5c82700 (LWP 6249)]
[Thread 0x7fffd6c84700 (LWP 6247) exited]
[Thread 0x7fffd6483700 (LWP 6248) exited]
[New Thread 0x7fffd6c84700 (LWP 6250)]
[Thread 0x7fffd6c84700 (LWP 6250) exited]
[Thread 0x7fffd7c86700 (LWP 6244) exited]
Then it just sits there forever, spawning and killing new processes. Firefox never appears.
Any ideas?
Last edited by rezza (2013-02-12 11:13:14)

debijan wrote:try this:
firefox -P -no-remote -safe-mode
In order to test the problem, I think my suggestion is better; at least as a first try. Without Firefox running and without ~/.mozilla; no misconfiguration should prevent Firefox to run. The options you suggest will try to disable any problematic configuration. It can be usefull if you need to start Firefox to fix a configuration problem; but as a firt try renaming the ~/.mozilla is better because you are sure that Firefox can't read anything that can hurt it. Only after having figured out that a bad ~/.mozilla is the cause of the problem, we can try to fix the configuration (or restart with a new configuration).
Last edited by olive (2013-02-12 15:56:15)

Firefox won't open...error message - "your firefox profile cannot be loaded. . It may be missing or inaccessible." Please help. I have unistalled & reinstalle

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Did you delete the profiles.ini file?
*http://kb.mozillazine.org/profiles.ini_file
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*Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)
*Windows: %AppData%\Mozilla\Firefox\ C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\Profiles\<profile>\
*Linux: ~/.mozilla/firefox/
*Mac: ~/Library/Application Support/Firefox/
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*Use the Profile Manager to create a new profile
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*http://kb.mozillazine.org/Profile_Manager
*https://support.mozilla.org/kb/Managing+profiles
*http://kb.mozillazine.org/Profile_folder_-_Firefox

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HELP!

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You're in a bit of a pickle here because you can't use System Restore to revert to 3.6.16. You probably now have version 1.9.2.x which is in part, files which were not removed when you installed FF4
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