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Every other browser installed is working fine, but Firefox will not connect to the internet. What do I need to check to make Firefox work on my computer? I am new to Ubuntu. I searched the web, but could not find enough clear information.

This is the error message that I am getting just before launching the application:

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.

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  • 1
    what happens if you do sudo firefox in a terminal?
    – MarioDS
    Dec 15, 2012 at 11:24
  • It got installed successfully, but when I try to launch the application showing the above error
    – Chella
    Dec 15, 2012 at 11:25

1 Answer 1

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  1. Reset your firefox The reset feature works by creating a new profile folder for you while saving your:Bookmarks,Browsing history,Passwords,Cookies,Web form auto-fill information.Your original will be lost.
  2. Troubleshooting by yourself for a long time

EDIT Use safemode,choose reset button

firefox -safe-mode

or Use profile manager,type in terminal:

firefox -p
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  • He can't start Firefox, so he'll never be able to reset it by the way showed on your link.
    – Farid
    Dec 15, 2012 at 11:47
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    @Farid What about firefox -safe-mode?
    – yuan
    Dec 15, 2012 at 12:02
  • Hey Thanks Zhang Yuan..! It is not solved my problem..drived me towards solving the problem..! Thank you..Now I resolved the issue..!I would have vote up but I don have enough reputation
    – Chella
    Dec 15, 2012 at 12:22
  • @Chella,I'm willing to hear that you solve your problem.We are appreciate that if you can post your approaches.
    – yuan
    Dec 15, 2012 at 12:29
  • 1.I tried your advice "firefox -safe-mode" first(problem not solved) 2. then I typed firefox alone..! It asked me to reset the firefox completely, I chosen reset, restarted Firefox-> problem solved..! earlier I restarted firefox but not reset'ed
    – Chella
    Dec 15, 2012 at 12:34

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