This is strange but since I have updated to Ubuntu 12.04 LTS from 11.10, some websites simply refuse to open in Firefox browser. I have not been able to install any addon since the site itself does not load. Another important site i am unable to open is Wordpress.org.

I have tried opening them in Chromium and they are working just fine(So the network settings are fine, I guess). The problem seems to be limited to Firefox only and I want to resolve this issue than moving to another browser. Firefox is the only browser I intend to use.


Reset your browser and settings by removing you ~/.mozilla folder (move it to somewhere else just in case you actually need it), there might be something preventing you from opening some pages, if you want to restore the setting just move the folder back in to its original place.

You can see the .mozilla folder by opening Nautilus in your home and pressing Ctrl+h, after locating it just rename it to .mozilla.old with Firefox closed and re-open Firefox when done.

Has an option you can also open Firefox in safe mode by going to Help > Restart with Add-ons Disabled or by opening a terminal and typing firefox -safe-mode.

  • Before renaming or removing ~/.mozilla, it might be worthwhile to log in as guest and try running Firefox. This would use a different profile and thus would show whether or not the problem is user-specific. – Eliah Kagan May 21 '12 at 17:02
  • Yeah, that also, it should have the same effect -load a fresh config- always forget about the lesser user since I don't really use it :/ Thx for the heads up. – Bruno Pereira May 21 '12 at 17:06

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