Firefox does not opens. It shows an alert message -"Your Firefox profile cannot be loaded. It may be missing or inaccessible."

Firefox window does not opens. It shows an alert message -"Your Firefox profile cannot be loaded. It may be missing or inaccessible." I have deleted the processes in task manager and restarted Mozilla.Even then it does not opens. Pls get me a solution.

Make a new profile ('[[managing profiles]]'); if the old profile directory is still there, just copy-and-paste its contents into the new profile directory.

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Your firefox profile cannot be loaded. it may be missing or inaccessible. Vista

Vista. I tried uninstall and reinstall 3.6.3 and 4 beta 7 with reboot in between.
When I try to start FF 4 beta 7, I still get the message "your firefox profile cannot be loaded. it may be missing or inaccessible"

Use a specific [[Managing profiles|profile]] to test Firefox 4.0b7 and keep your current profile for Firefox 3.6.
Moreover, you use an out-of-date version of Firefox 3.6, [[Updating Firefox|update Firefox 3.6]].

I have been using firefox but since Mac update i am receiving this message: your firefox profile cannot be loaded. it may be missing or inaccessible.

Message trying to open firefox; your firefox profile cannot be loaded. it may be missing or inaccessible

Firefox is already running but is not responding
https://support.mozilla.com/en-US/kb/Firefox%20is%20already%20running%20but%20is%20not%20responding
Check and tell if its working.

Firefox profile cannot be loaded it may be missing or inaccessible WINDOWS 8

I have a Windows 8 OS running on a PC. I have been using Firefox as my browser for several months. Suddenly, when I try to load Firefox, I get an error message, "Your Firefox profile cannot be loaded. It may be missing or inaccessible." I have uninstalled and reinstalled Firefox version 21.0 twice, and still get the same error message. How do I get to the profile.ini file using Windows 8, and what am I supposed to do when I ever get there?

There are a few steps to try.
First, try resetting Firefox:
https://support.mozilla.org/en-US/kb/reset-firefox-easily-fix-most-problems
If this doesn’t solve the problem, trying using the Firefox Profile Manager to remove your old profile and create a new one manually:
https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles
If this still doesn’t work, try deleting the profile.ini file to force Firefox to create a new default profile:
* Make sure that Firefox is closed
* Press Windows key+R to open the Run box
* Type: %APPDATA%\Mozilla\Firefox
* Click “OK”
* Delete the file called “profile.ini”
* Run Firefox again

Cannot reacquire firefox. error message reads "your firefox profile cannot be loaded. it may be missing or inaccessible.

I lost Firefox for no apparent reason. I deleted the program and attempted to reinstall and download. Received an error message that read "Your firefox profile cannot be loaded. It may be missing or inaccessible." At the same time, I lost Picasa and all my photos. When I tried to reinstall Picasa, I received the same message about Firefox. Can someone please help. It's driving me nuts.

See:
* http://kb.mozillazine.org/Recovering_a_missing_profile
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
There may be extensions and plugins installed by default in a new profile, so check that in "Tools > Add-ons > Extensions & Plugins" in case there are still problems.
If that 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

Uninstalled Firefox & deleted profile folder. Installed new Firefox but box pops up "Your Firefox profile cannot be loaded It may be missing or inaccessible."

I can't reinstall firefox. I deleted the profile folder and uninstalled firefox in hopes of clearing up the cookies from some problems I was having accessing my school course through a website. It seems to be downloaded but won't open up because the profile is missing. Help is appreciated thanks!

If you delete the Firefox profile folder, but leave the profiles.ini file then Firefox will try to access the folder that is marked as "Default=1" in the profiles.ini file and that will cause this error message.
*Mac: ~/Library/Application Support/Firefox/
In Mac OS X v10.7 and later, the ~/Library folder is a hidden folder.
*http://kb.mozillazine.org/Show_hidden_files_and_folders#Mac_OS_X
You do not have to delete the Firefox profile folder if there is a problem with the cookies.
You would only have to delete the cookies.sqlite file that stores the cookies in case clearing the cookies in the normal way isn't working.
You can try these steps in case of issues with web pages:
You can reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.
*Hold down the Shift key and left-click the Reload button
*Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
*Press "Command + Shift + R" (Mac)
Clear the cache and remove cookies only from websites that cause problems.
"Clear the Cache":
*Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"
"Remove Cookies" from sites causing problems:
*Firefox/Tools > Options > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"
Start Firefox in [[Safe Mode|Safe Mode]] to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
*Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
*Do NOT click the Reset button on the Safe Mode start window
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

Firefox does not open when clicking on the icon, the firefox.exe process consumes 99 % of the CPU and my computer runs slowly.

I have been a happy user of Firefox for many years. Around last April first I opened Firefox and was offered an update to v 4.42.0.0 which I accepted. Installation seemingly went well. I forget now exactly what happened but the result has been that ever since April 1 I haven’t been able to open the Firefox browser when clicking on the Firefox icon. My computer now was running very slowly. I tried to uninstall Firefox, but a popup told me I couldn’t because Firefox was in use. This confused me because I couldn’t see it being used. Only now I have found that on Task Manager processes that “firefox.exe” was consuming 99 % of the CPU. After removing firefox.exe by clicking End Process my computer ran better. I uninstalled Firefox I had on my computer and installed Firefox 5.0. Unfortunately I have the same problems: Firefox does not open when clicking on the icon, the firefox.exe process consumes 99 % of the CPU and my computer runs slowly.

Born2die! Brilliant. I am a desktop clicker and never knew Firefox had a safe mode.
Thank You!
I was unable to start in safe mode initially. The second time I disabled all of the Add-Ons and she started up just fine. I enabled them one by one hoping to track down the culprit but the problem seems to have gone away.
BTW I am running ver. 3.6.8 (in response to cor-el's earlier post) and
Firefox is in the process of downloading 3.6.10 (which I am starting to think may have been what caused this whole problem to begin with)
Incidentally, whats up with all of the Java Console Add Ons?
I have:
Java Console 6.0.11, Java Console 6.0.13, Java Console 6.0.15
Java Console 6.0.17, Java Console 6.0.20, and Java Console 6.0.21
What are they? Do I need them? Can I uninstall them? Is this due to using Open Office?
Also, .NET Framework 0.0.0 Should I uninstall it?

Firefox will not open, try to reinstall and message states firefox must be closed before install can begin.

firefox will not open. when i try to reinstall firefox the process stops. the message tells me to close firefox before i can proceed. but firefox is not running.

Prez,
I too have had this problem a few times with several different versions of FF.
What you need to do is to open a window to Task Manager (Ctrl-Alt-Del) and on the 'Processes' tab look down the list for Firefox, highlight the entry, then click "End Process". Accept the warning that pops up. You should then be able to uninstall.

I have downloaded firefox but when i go to open it it says your firefox profile cannot be loaded it may be missing or innaccessible what do i do to fix this?

downloaded firefox 4.0 i completed that then a box popped up saying profile canot be loaded tell me please how to fix this

Did you ever have an older version of Firefox installed in that PC?

Cannot access firefox. Error message "your firefox profile cannot be loaded. It maybe missing or inaccessible"

This ocurred on my Dell Laptop, it seems, after several reset Firefox to Default. My Dell is an Inspriron/8600. I have removed Firefox and reloaded twice. What should Ido next.
Thanks
Bernard Crotty
edit: removed your mail address from public display, since the only thing it will attract are spam bots. you will be notified per mail once somebody replies to the thread. (philipp)

Hi Bernard, normally, when doing a Reset, Firefox moves your old profile folder to the desktop (in a folder named Old Firefox Data), creates a new profile folder incorporating some of the data from your old profile, and updates a configuration file with the new profile folder name. It sounds as though this broke down somewhere along the way. Let's see whether it was that third step.
In order to ease the next few steps, please make sure that you can view hidden files and folders. This article has the steps:
* Windows XP: http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/win_fcab_show_file_extensions.mspx
* Newer Windows: http://windows.microsoft.com/en-us/windows/show-hidden-files
To open your Firefox data folder, you can type or paste the following into either the Start menu Run box, Search box, or into the address bar of a Windows Explorer/My Computer window:
%APPDATA%\Mozilla\Firefox
In the folder that loads, you should see a Profiles folder and a file named profiles.ini (it's a text file you can edit with Notepad).
Click into the Profiles folder to see whether you can find a semi-randomly-named folder. If you find it, click into it to confirm that it contains some files and isn't empty. If there is stuff there, let's work with it. Up in the address bar of Windows Explorer, select and copy the semi-random name of the folder, or you can make a note of it somewhere.
Return back up to the Firefox folder. Right-click>Edit the profiles.ini file and it should open in Notepad. You should see something like the following:
[General]
StartWithLastProfile=1
[Profile0]
Name=default
IsRelative=1
Path=Profiles/'''asdf1234.default'''
Default=1
The part of Path after Profiles/ needs to match the name of the folder you copied or noted earlier. Go ahead and fix it and save the file.
Then try to start Firefox again. Any luck?
If the existing profile (post-Reset) is missing completely, or is missing important data, we can grab one of the earlier profile folders from the Old Firefox Data folder on your desktop. For the steps to do that, please see this post: https://support.mozilla.org/questions/1025708#answer-641099

Your Firefox Profile cannot be loaded.It may be missing or inaccessable. Have tried all suggestions and cannot find my profile or fix it

I have bee using firefox for many years and seemed to have lost it. I downloaded again about 5 times,have tried all suggestions in the forums nothing worked.The only thing is I tried to recover my Profile default fold and it is missing. What can I do? I miss using firefox and would like you back

Hello All.
I've been using Firefox for a long time with a great pleasure of course. I've got today the same problem as you: my profile can't be loaded, missing or inaccessible. I tried all solutions but it was not OK.
Finally, as yesterday I've played with hiddens files in my home directory, I noticed that my "/home/myuser/.cache" was marked with a little padlock: it was access protected. So I just execute:
'''sudo chown myuser /home/myuser/.cache -R '''
and now Firefox is working fine.
I hope this way will be useful for you
Thanks

I cannot open firefox. i receive an error message instead: " your firefox profile cannot be loaded. It is missing or inaccessible" help

<blockquote>Locking duplicate thread. 
Please continue here: [[/questions/947572]]</blockquote>
after I received the error message, i uninstalled and then re-installed mozilla firefox. my desktop now has a mozilla firefox icon and a separate folder entitled: old firefox data. i tried a solution posted at the site:

Hello poestirs3
press Windows key + R to open the Run box of windows Vista, then type '''%APPDATA%\Mozilla\Firefox''' (or copied from here) and click "'''OK'''" to quickly open the appropriate folder,
then find [http://kb.mozillazine.org/Profiles.ini_file profiles.ini file] (see the screenshot how possible looks like) and rename it (right-click on mouse and select rename) to profiles.iniOLD , then when you start firefox again, a new default profile folder will be created and only a single profile, the new "default", will be listed in the Profile Manager.
This new "default" profile doesn't contain any of the profile data or settings stored in your old "default" profile folder, which still exists but is no longer accessible from the Profile Manager.
Your existing Firefox user profile data, which includes bookmarks, passwords, cookies, preference settings and added extensions, will no longer appear in the new profile but you [http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox can transfer the data from the old profile folder to the new default profile folder].
see also : [https://support.mozilla.org/el/kb/Recovering%20important%20data%20from%20an%20old%20profile#os=win7&browser=fx17 Recovering important data from an old profile]
thank you

Firefox does not open links with a new window or tab for certain web sites, e.g. Santander On line banking, help links.

When accessing some sites where they have links for additional information that would normally open a new window or tab, Firefox does not open either. This happens on a variety of sites, most recently the Santander on-line banking site.
== URL of affected sites ==
http://

Such JavaScript links should show the image in the same tab, so make sure that you left click such links.
* http://kb.mozillazine.org/JavaScript
Try to reload the web page(s) and bypass the cache.
* Press and hold Shift and left-click the Reload button.
* Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
* Press "Cmd + Shift + R" (MAC)

Clicking on a link in Mac Mail Firefox does not open in front of Mail--it used too. The link does open but I have to click on the Firefox icon in the Tray to bring it to full screen. Can you please help

clicking on a link in Mac Mail Firefox does not open in front of Mail--it used too. The link does open but I have toclick on the Firefox icon in the Tray to bring it to full screen. Can you please help.

Thanks Jason, I had the same problem and did exactly the steps above. Problem solved! You rock! :)

I keep getting a "Your Firefox profile cannot be loaded. It may be missing or inaccessible" message and firefox does not open. WHat is wrong and how do I fix?

I uninstalled Firefox from my computer, then I reinstalled it and tried to run it, but this message appeared, "Your Firefox profile cannot be loaded. It may be missing or inaccessible" and Firefox does not open at all.

hello davidrusso71, press windows-key+R on your computer and open ''%appdata%\Mozilla\'' - an explorer window should come up, in there rename the folder labelled "Firefox" to something like oldFirefox. on the next start of firefox this should lead to a new profile being created...
you might want to import some of your old data into the new profile afterwards: [[Recovering important data from an old profile]]

Firefox does not opens. It shows an alert message -"Your Firefox profile cannot be loaded. It may be missing or inaccessible."

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