Many applications are there which comes along with a browser toolbar, and users who are not checking these will be installing them. Gradually there will be many toolbars installed on your browsers. If you want to uninstall the Toolbars and other BHOs (Browser Helper Objects), Toolbar Cleaner is a free handy utility which can help you to remove them.
Remove toolbars from both Internet Explorer and Firefox and Chrome
Remove almost any toolbar and BHO
Select toolbars that you want to remove
Simple and fast
It is so easy to remove,
Run the Toolbar Cleaner , choose the things you want to uninstall, click remove.
This application also can help you to remove unwanted startup objects too.
Supports Internet Explorer, Firefox and Chrome.
Read more and get it from here
You may also check on How to change your homepage settings