Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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No matter what settings I change Firefox opens new windows instead of new tabs. How can I stop it?

cor-el replied
vdc1961

After the last update when selecting a searched item a new window opens. Then when you select an item in the newly opened search window, it takes you to the item in another new window. It will continue each time you search and select. Very frustrating. Like Firefox better before the udpate.

After the last update when selecting a searched item a new window opens. Then when you select an item in the newly opened search window, it takes you to the item in another new window. It will continue each time you search and select. Very frustrating. Like Firefox better before the udpate.

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Start Firefox in Use Troubleshoot Mode in Firefox to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).