AOL Toolbar is another fairly new toolbar from one of the big online providers. Like the others, this toolbar offers multiple features, and appears in the browser as follows:
The following icon is the Pop-up Blocker: 
To allow pop-ups to appear, merely click on the icon. You should now see the following: 
To turn the Pop-up Blocker back on, you can click the icon again to re-enable the Pop-up Blocker.