Follow these steps:
Mozilla Firefox
In Firefox,click Tools | Add-ons.
Click Extensions.
Select Yahoo Toolbar.
Click Remove.
Restart Firefox.
Microsoft Internet Explorer
In Internet Explorer, click Tools | Manage Add-ons.
Click Toolbars and Extensions.
Scroll down, then select Yahoo Toolbar. Click Disable.
Restart Internet Explorer.
Google Chrome:
In Chrome, click the menu button chrome menu button | Settings.
-The "Settings" window opens.
Click Extensions.
De-select the "Enabled" checkbox for Yahoo Toolbar.
Close and restart Google Chrome.
File Cure
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