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POP UP BLOCKER FROM GOOGLE it's FREE....
The pop-up blocker in the Toolbar Options menu prevents new windows from automatically opening when you visit a website. Often times, these new windows display advertising that can interfere with your ability to see the content on the page you're trying to read.
If you feel you were deceived when you installed a program that creates pop-ups, you may want to take action. The Federal Trade Commission (FTC) handles complaints about deceptive or unfair business practices. To file a complaint, visit:
http://www.ftc.gov/ and click on "File a Complaint," call 1-877-FTC-HELP, or write to: