Under Preferences>Web Features, turn on Block Popup Windows.
If that's already on, I don't have any other brilliant ideas. When Adblock is on, I get Adblock tabs at the tops of ad windows. When I click on the tab, I get a dialog box, click OK and the ad goes away.
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If that's already on, I don't have any other brilliant ideas. When Adblock is on, I get Adblock tabs at the tops of ad windows. When I click on the tab, I get a dialog box, click OK and the ad goes away.