Could not initialize the application's security component

Hello,
I installed Firefox 3, I did check for update, but 4.0.1 when running show me this message:
"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."
I have Uninstalling 3 times Firefox but I see the same error and now I can't install Firefox, this is the question... My harddisk is ok, also and my permissions, there is not any directory of Firefox...
I have removed any directory of Firefox(also personal data)
I have Windows XP Professional... I run the Google Chrome 11.0.696.68,
After one week, I haven't any answer...
I would like to write me first: How do I fully uninstall and then: how to install Firefox;
I wait for your answer...
thanks a lot...

Rename secmod.db (secmod.db.old) in the [http://kb.mozillazine.org/Profile_folder_-_Firefox Profile Folder] in case there is a problem with the file. 
You may have to rename cert8.db (cert8.db.old) as well. 
Firefox will create new files. If that works then you can remove the renamed files.
* [[Could not initialize the browser security component]]

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I am receiving an alert message that reads: Could not initialize the application's security component.

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.

See this support article:
*https://support.mozilla.com/kb/Could+not+initialize+the+browser+security+component

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I suddenly have this error message on FireFoxthis message pops up: "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 re

I suddenly encounter this error message from Fire Fox.
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.
I uninstalled the browser and download a new version but it does not resolve the issue.
I know my hard disc has ample space. I do NOT know where to find the Profile directory to fix the read restriction box.
== This happened ==
Every time Firefox opened
== After something about security add-on of Norton pop up by itself. ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; MSN Optimized;US)

This link shows things to check - https://support.mozilla.com/kb/Could+not+initialize+the+browser+security+component

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This link shows how to fix this - https://support.mozilla.com/kb/Could+not+initialize+the+browser+security+component

I get the following when I try to open fox: "Could not initialize the application's security component. The most likely cause......"

When I try to open Firfox, I get the following error message:
"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."

See:
*https://support.mozilla.com/kb/Could+not+initialize+the+browser+security+component

KEEP GETTING FOLLOWING MESSAGE Could not initialize the application's security component.

everytime click on firefox icon to use browser message box appears 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.

The following link shows how to resolve this - https://support.mozilla.com/kb/Could+not+initialize+the+browser+security+component

Firefox suddenly quit working and I get the following error message: Could not initialize the application's security component. The most

Error message: 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.

See:
*https://support.mozilla.com/kb/Could+not+initialize+the+browser+security+component

What should I do about the alert "Could not initialize the application's security component...." Firefox no responding.

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This solution worked for me:
http://support.mozilla.com/en-US/kb/Could+not+initialize+the+browser+security+component
The step that worked for me was to locate and delete the cert8.db file.

I'm getting Could not initialize the application's security component, when opening Firefox and I can't bookmark anymore, why?

Here is the message I get when I open Firefox;
Could not initialize the application's security component. The most
likely cause is problems with files in your application's profile
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recommended that you exit the application and fix the problem. If you
continue to use this session, you might see incorrect application
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Rename secmod.db (secmod.db.old) in the [http://kb.mozillazine.org/Profile_folder_-_Firefox Profile Folder] in case there is a problem with the file.
You may have to rename cert8.db (cert8.db.old) as well. 
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Could not initialize the application's security component when clicking on a hyberlink from LotusNotes, default browser Firefox

I have Lotus Notes 8.5 installed on Windows 7 computer.
Firefox 4.0.1 works fine.
But when I change FF as default browser and launch a hyperlink from My mail client I get an error "Could not initialize the application's security component. The most likely cause is problems with files in your browser'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 browser and fix the problem. If you continue to use this browser session, you might see incorrect browser behavior when accessing security features."
After this error I can open tabs but no website will work.
But if I close Firefox and reopen it will work.
When Firefox is running, if I click the hyberlink from my mail client, it launches without error message and works fine.
Gave Write access to profile folder. replaced cert8.db etc, but it is not helpful.
I installed Firefox 4 - same.
Installed Firefox 5 beta - same.
Installed Firefox 3.6.17 - error message is there but Firefox keeps working after launch.

In Mac OS X v10.7, the $HOME/Library folder is a hidden folder.
Open Finder and use one of these:
* Go > Go To Folder (Shift-Command-G) and in the dialog type: ~/Library
* Open the "Go" menu and hold down the Option key to make the Library appear
You can also use this command in a Terminal window to remove the hidden flag.
* Mac HD > Applications > Utilities > Terminal
* chflags nohidden ~/Library

This message [Ubuntu repositories or Mozilla download: " There is no Profile folder Could not initialize the application's security component. The most likely cause is problems with files in your application's profile directory....

Ubuntu 11.04: I have been getting this message whenever I install Firefox from the repositories and downloading the tar file. I cannot use Firefox! " There is no Profile folder 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."Firefox does not respond to any addresses or a google search. Indeed it responds to nothing. There is no Profile folder!

Uninstalling Firefox on Linux
* http://kb.mozillazine.org/Uninstalling_Firefox#On_Linux
* http://kb.mozillazine.org/Installation_directory#Linux
* Removing user profile data - http://kb.mozillazine.org/Uninstalling_Firefox#Removing_user_profile_data
After all is done, Restart your system.
Installing Firefox on Linux
* https://support.mozilla.com/en-US/kb/Installing%20Firefox%20on%20Linux
Check and tell if its working.

Alert! "Could not initialize the application's security component..."

I started getting this alert after a restart last Saturday (2-22-2014) and Thunderbird freezes before it is fully operational: (incorrect application behavior?)
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.
I have over 500 GB free on the hard disk and have checked the directory TTBOMA. As recently as this
morning I again uninstalled TB using the TB uninstall utility, rebooted and reinstalled from the Mozilla website. Nada,
Toshiba Satellite L875D
Windows 8
Troubleshooting info:
Thunderbird
Version 24.3.0
User Agent Mozilla/5.0 (Windows NT 6.2; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0
Any help out there?

Delete the cert8.db file in the Thunderbird profile folder. 
This will remove all intermediate certificates that Thunderbird has stored.
*http://kb.mozillazine.org/Profile_folder_-_Thunderbird
* https://support.mozilla.org/kb/couldnt-initialize-applications-security-component

Firefox Error with Roaming Profiles "Could not initialize the application's security component"

Hi there
I get the common error "Could not initialize the application's security component" when I startup Firefox.
I tried this manual: http://support.mozilla.org/en-US/kb/couldnt-initialize-applications-security-component
I have enough space left, i have read/edit/write-rights, created a new firefox profile and also reset all the settings, nothing works.
BUT I dont have a cert8.db File in my %APPDATA%\Mozilla\Firefox\Profiles
What can I do?
Like I said in my description, its about Users that are logged in with a Roaming-Profile. Every User has this problems, it doesn't matter if or without Admin-Rights.
Also this problem exists since Firefox 4.0.0, the last working Version was 3.6.13 I guess.

You can use this button to go to the Firefox profile folder:
*Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)
Try to remove or rename secmod.db (secmod.db.old) in the Firefox profile folder.
If that didn't help then also rename the cert8.db file to cert8.db.old or delete the cert8.db file to remove intermediate certificates that Firefox has stored.
If that helped to solve the problem then you can remove the renamed cert8.db.old file. 
Otherwise you can rename (or copy) the cert8.db.old file to cert8.db to restore the previous intermediate certificates. 
Firefox will automatically store intermediate certificates when you visit websites that send such a certificate.
Do a clean reinstall and delete the Firefox program folder before (re)installing a fresh copy of the current Firefox release.
Download a fresh Firefox copy and save the file to the desktop.
*Firefox 25: 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 lose 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.
*(32 bit Windows) "C:\Program Files\Mozilla Firefox\"
*(64 bit Windows) "C:\Program Files (x86)\Mozilla Firefox\"
*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 personal 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

When I open Firefox the following alert appears: "Could not initialize the application's security component. The most likely cause is problems with files in your application's profile directory." There is a solution in the forum but only for Windows based

When I open the application the following alert appears: "Could not initialize the application's security component. The most likely cause is problems with files in your application's profile directory." There is a solution on the support site but only for Windows-based Firefox, and I'm a Mac user. I have plenty of room on my hard disk.
== This happened ==
Every time Firefox opened
== Two days ago, for no apparent reason.

In Mac OS X v10.7, the $HOME/Library folder is a hidden folder.
Open Finder and use one of these:
* Go > Go To Folder (Shift-Command-G) and in the dialog type: ~/Library
* Open the "Go" menu and hold down the Option key to make the Library appear
You can also use this command in a Terminal window to remove the hidden flag.
* Mac HD > Applications > Utilities > Terminal
* chflags nohidden ~/Library

Could not initialize the application's security component

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