I can't change my default search engine and homepage on firefox

Nafees - Apr 18, 2016 at 10:08 AM
Hi.I use Mozila firefox for browsing internet.But today,suddenly my homepage and default search engine got changed.I changed to my default ones,but it doesn't work and they again get changed to the other ones as soon as I leave the settings page.So please help me..This is annoying me a lot