deleting web address from esarch
How can I delete the Web Name from Search Box?
How can I delete the Web Name from Search Box?
Wšě wotmołwy (1)
See Search bar - add, change and manage search engines on Firefox
By the way, go to Help | Check For Updates and update to v3.6.16
The version you have installed potentially exposes your system to attack.
Wot Xircal