I have a new Dell Ubuntu pre-installed laptop. It came with 11.10 and I've just upgraded it to 12.04 (Precise).
Firefox has its homepage set to Yahoo search and the default search engine is Yahoo too. I want to change the home page and the default search engine. Every time I change this, the settings do not stick until the next time I start the browser again.
There don't seem to be any such settings that I can change in Edit->Preferences. (It does not stick until the next startup of the browser if I change the homepage in the Preferences/General tab).