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when i open firefox once the pages load up there is a siren sound, but i do not have coolpreivew so i can't disable that.

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when I open Firefox there is a siren sound that happens. And I don't have coolpreview so I can't disable that. I have also tried adblock plus and that seemed to help for a few times, but the siren is back now.

This happened

Every time Firefox opened

when I open Firefox there is a siren sound that happens. And I don't have coolpreview so I can't disable that. I have also tried adblock plus and that seemed to help for a few times, but the siren is back now. == This happened == Every time Firefox opened

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"Clear the Cache": Firefox > Preferences > Advanced > Network > Offline Storage (Cache): "Clear Now" "Remove the Cookies" from sites causing problems: Firefox > Preferences > Privacy > Cookies: "Show Cookies"