With The Uninstaller
The best way is using the uninstaller that came with the application.
Windows XP Click Start > Settings > Control Panel. You should be able to uninstall the toolbar here.
Windows 7 Click Start Orb > Control Panel > Programs and Features. You should be able to uninstall the toolbar here.
This is often the best way to remove toolbars. This will remove traces of files and registry keys of the toolbar.
Removing Toolbars through Internet Explorer Options
Load Internet Explorer and browse to Tools > Manage Add-ons
The Manage Add-on dialog will appears. In here you can select toolbars and choose to disable them. Finish off by clicking Ok. Close Internet Explorer and open it again.