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Although I click the button to open a new tab, firefox won't open it.

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I've been trying to open multiple tabs in firefox and I can't. I press the button but none open. I've tried closing out of the browser and opening it again but nothing changed.

I've been trying to open multiple tabs in firefox and I can't. I press the button but none open. I've tried closing out of the browser and opening it again but nothing changed.

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Try disabling the Ask Toolbar extension or uninstall it.