Removing the Babylon Toolbar

I sort of got to be Jim Dinkey one recent Saturday evening, when a conversation with a friend led me to fix her computer remotely.
The Babylon Toolbar (BT) is foistware software that is insinuated onto your machine because you overlooked some negative option choice to keep it from happening. What does the Babylon Toolbar do? Basically, it makes itself your search engine, in any browser.