Could not initialize the browser’s security component

Here explains the causes of this error message in FireFox.

‘ERROR MESSAGE’
‘Could not initialize the browser'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.’

The causes are the following.

1. Corrupted file is present;
2. New profile
3. File permissions are set improperly;
4. Hard disk space is not enough;

1. Corrupted file
   • In Profile folder, cert8.db file is corrupted.  So when exit FireFox, delete this cert8.db file.
   • Click menu ‘Firefox’ and cert8.db file
   • Choose ’Delete’.
   • Restart.
2. New Profile
   • Open ‘Profile’ folder.
   • Click menu ‘Firefox’ and ‘Help’.
   • Choose ‘Troubleshooting Information’. The tab will be opened.
   • Go ‘Application Basics’ section and choose ‘Open Containing Folder’.
3. File permissions
   • In profile folder, you shall examine the file permissions and that file of cert8.db shall not be set read-only.
   • Click-right on file cert8.db.
   • Select ‘Properties’ and tab ‘General’.
   • See if ‘Read-only’ box is un-clicked and enter OK.
   • Restart.
4. Check your The free space on the hard drive could be checked by following method.  Follow these steps.
   • Choose ‘My Computer’ and click ‘Drive C:’ and ‘Properties’.
   • A dialog will appears. Choose tab ‘General’.

If free space available is less than 1MB, extra space is needed.

Martyables,

Your problem here is very easy to be solved, as long as the system has specified  the errors incurred. The main thing you need to do in this case is to check the memory of your hard disk and the registry or the 'directory' as it has been noted.  As you can see, in this case, the  most likely error is the space in your hard drive. You will need to reduce the memory of your local disk by using these steps;

• i) Go to 'Start' button and click on it
• ii)Go to 'My computer and click on it to open
• iii)Go to the drive 'Local disk:C'
• iv) Right click on it and select 'properties'
• v)  In the 'General' tab reduce the memory
• Check for file permissions in the Firefox profile folder using the following steps;
• i) In theFfirefox window, click on Firefox menu, go to Help menu,(Win Xp, click on Help menu) and select 'Troubleshooting Information'. The tab will open.
• ii)Under 'Application Basics' click on 'Open containing folder'. A window with ur profile files will open.
• iii)At the top of Firefox window, click on 'Firefox' button.('File' menu in Win Xp) and click 'Exit'
• iv)Right click on file named 'cert8.db'
• v) Click on 'Properties'. A dialog box will appear
• vi) Go to 'General' tab
• vii) Make sure the 'Read only' checkbox is checked
• viii) Finally, click on 'Ok'
• You need to restart Firefox.

This should solve the error.

Thanks.