Firefox General

Addons

Adblock Plus:
http://adblockplus.org/en/
http://adf.ly/917219/addons.mozilla.org/en-US/firefox/addon/1865

FoxyProxy:
http://getfoxyproxy.org/
http://adf.ly/917219/addons.mozilla.org/en-US/firefox/addon/2464

Easy YouTube Video Downloader:
http://www.bestvideodownloader.com
http://adf.ly/917219/addons.mozilla.org/en-US/firefox/addon/easy-youtube-video-downl-10137/

Video DownloadHelper:
http://www.downloadhelper.net/
http://adf.ly/917219/addons.mozilla.org/en-US/firefox/addon/3006

Disable FireFox unexpected shutdown recovery

1- Write to address bar :

about:config

2- find this key and change the vaule to false :

browser.sessionstore.resume_from_crash