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After upgrading to FF 4.0, I'm getting many advertisements popping up in separate windows apparently triggered by my navigating around websited. FF pop up blocker is on, and I so no further options to prevent these ads.

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Question After upgrading to FF 4.0, I'm getting many advertisements popping up in separate windows apparently triggered by my navigating around websited. FF pop up blocker is on, and I so no further options to prevent these ads.

Question After upgrading to FF 4.0, I'm getting many advertisements popping up in separate windows apparently triggered by my navigating around websited. FF pop up blocker is on, and I so no further options to prevent these ads.

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