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sometimes many tabs keep opening by themselves

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bold text My browser fills with many repeats of the same tab and won't stop loading them.

'''bold text''' My browser fills with many repeats of the same tab and won't stop loading them.

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Hi Andrew, does that tab contain any particular content, such as a repeat of the currently open page, or is it blank?

Sometimes a runaway blank tab problem can be caused by setting Firefox to try using a tab to open types of content it can't display. To solve this problem, see the steps in: Firefox repeatedly opens empty tabs or windows after you click on a link.