Please follow these steps to remove Babylon:
Go to Control Panel, click Programs (software).
Uninstall "Browser Manager" + "Bprotector" + "Object Installer" + "Babylon Toolbar on IE"
Then follow the relevant steps:
----------------------Firefox ---------------------------
> Open a new Firefox window (website)
> Go to Tools> Options> and go to change your order, the Home. ( f.e http://www.google.de) and click OK.
> Remove the search engine of Babylon by clicking the small arrow next to the icon of Babylon
> Manage Search Engines
> select Babylon and Remove
> Close Firefox and open again
> write in the address Bar "about:config " and click Enter
> Write in the search engine "Babylon."
> Click on any 'Babylon' preferences with the right mouse button and select "Reset"
In the following video you can see how to Remove Babylon:
http://www.babylon.com/uninstall_search/firefox