What browser are you using?
On the toolbar to the far right is Help. It takes you to an FAQ page. On this page is:
Q. How do I uninstall the AAdvantage eShopping toolbar?
A. To uninstall, follow these steps: On the AAdvantage eShopping toolbar beside the AAdvantage eShopping logo you'll find a drop down menu arrow. Select AAdvantage eShopping toolbar Admin then select 'uninstall'.
If that doesn't work, you can also uninstall as follows:
To uninstall in Internet Explorer: Go to start -> Program files -> AAdvantage eShopping toolbar -> Uninstall
To uninstall in Firefox: Go to Tools -> Add-ons -> Select the AAdvantage eShopping toolbar and press uninstall
Got it, thank you!
For the record, I see no option from the drop down reading "AAdvantage eShopping toolbar Admin".
Also, I use Firefox and indeed one can go to Tools > Add-ons and uninstall the toolbar.