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new window opens all tabs from previous window

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When I open a new window, all of the tabs from the previous window open, which can be many, very annoying. How can I open a new window that doesn't open all the tabs from another opem previous window ? I tried "open a new window" and also tried opening a new Firefox program, but all the tabs from the winodws that are open come with it. I really hope I can change this. It started happening before this latest update.

When I open a new window, all of the tabs from the previous window open, which can be many, very annoying. How can I open a new window that doesn't open all the tabs from another opem previous window ? I tried "open a new window" and also tried opening a new Firefox program, but all the tabs from the winodws that are open come with it. I really hope I can change this. It started happening before this latest update.

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Normally you would get the home page(s) when you open a new window.

You can check the home page setting:

  • Tools > Options > General > Startup: Home page

Firefox supports multiple home pages separated by '|' (pipe) symbols.

If that isn't the case then check for issues caused by extensions.

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.

  • Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
  • Do NOT click the Reset button on the Safe Mode start window