Depending on which browser you use, here are the common uninstall operations regarding toolbar removal:
Go to Tools > Addons > Extensions, locate the toolbar and click
Google Chrome: Click the wrench in the upper-right area then go to
Tools > Extensions and click the bin.
Internet Explorer: Go to
Tools > Manage Addons > Toolbars and Extensions, locate the Toolbar and click Disable.
Please note that for Internet Explorer, the toolbar is available for uninstallation from Add or Remove Programs / Programs because when you install it you will use a setup package.