Post date: Mar 27, 2011 2:19:55 AM
FireFox stopped connecting to Internet, with ALERT MESSAGE: "Could not initialize the browser security component"
This worked for me: http://kb.mozillazine.org/Could_not_initialize_the_browser_security_component
Corrupted file
The file cert8.db in your profile folder may have become corrupted. Delete this file while the application (Firefox, SeaMonkey, etc) is closed. To do this on Windows machines:
Close the application by choosing File -> Exit.
Open your profile folder in Windows Explorer.
Click on the file named cert8.db.
Press delete.
Restart the application. cert8.db will be recreated when you do so
On Windows 2000, XP, Vista, and Windows 7, you can also use this path to find the profile folder, even when it is hidden:
%APPDATA%\Mozilla\Firefox\Profiles\<profile folder>
%APPDATA% is a variable represents the C:\Documents and Settings\<user name>Application Data folder on Windows 2000/XP and the C:\Users\<user name>\AppData\Roaming folder on Windows vista and Windows 7.
To find a profile folder in the default location on Windows 2000, XP, Vista, or Windows 7:
Press "Windows key + R" to open the Run box
(or, you can click "Start → Run..." on Windows 2000/XP)
In the Run box, type in %APPDATA%
Click OK. A Windows Explorer window will appear.
In this window, choose Mozilla → Firefox → Profiles.
Each folder in the "Profiles" folder (e.g., "xxxxxxxx.default") is a profile on your computer.