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Firefox has started freezing up when I click on bookmarks

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This problem started yesterday (June 7th) when I clicked on a forum thread that had some embedded video's, thinking nothing of it I force quit firefox and restarted it. Then later on I tried to access my bookmarks however when I clicked on it to bring up the list firefox froze again forcing me to again force quit and restart.

Since then I've discovered that I can't click on File, Edit, View, History, Bookmarks, Help or any of my RSS feeds without Firefox immediately freezing up. Even right-clicking in the browser causes it to freeze up.

As you might imagine this is very annoying and a little worrying as well.

The only change to my software was an update to my Ubuntu10.04 LTS OS yesterday (June 7th). Though the problem I'm having didn't start up until about 6 hours after the update. I've also tried updating Firefox but the problem still persists.

This problem started yesterday (June 7th) when I clicked on a forum thread that had some embedded video's, thinking nothing of it I force quit firefox and restarted it. Then later on I tried to access my bookmarks however when I clicked on it to bring up the list firefox froze again forcing me to again force quit and restart. Since then I've discovered that I can't click on File, Edit, View, History, Bookmarks, Help or any of my RSS feeds without Firefox immediately freezing up. Even right-clicking in the browser causes it to freeze up. As you might imagine this is very annoying and a little worrying as well. The only change to my software was an update to my Ubuntu10.04 LTS OS yesterday (June 7th). Though the problem I'm having didn't start up until about 6 hours after the update. I've also tried updating Firefox but the problem still persists.

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You can check for problems with the places.sqlite database file in the Firefox profile folder.


If possible that please update to the current Firefox 29 release (Firefox 30.0 will be released next Tuesday).


Note that your System Details List shows multiple Flash plugins.

  1. Shockwave Flash 11.2 r202
  2. Shockwave Flash 9.0 r999

You can find the installation path of all plugins on the about:plugins page and remove the Shockwave Flash 9.0 r999 version.

You can find the latest Flash player here (Linux: Flash Player 11.2.202.359).