Firefox has this bad habit of checking for update for the browser,search engines and the installed addons.And if found any Firefox installs the update for you in the background which obviously retards the performance of your browser.It may come up with this just at the wrong time when the last thing you want is a browser update.This a tutorial on how to turn off this habit of firefox and enjoy peace of mind.
3.Go to Advanced
4.Click on Updates
5.Uncheck all the boxes below "Automatically check for updates"
There you go.No more unwanted social service from firefox.