Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Шукати в статтях підтримки

Остерігайтеся нападів зловмисників. Mozilla ніколи не просить вас зателефонувати, надіслати номер телефону у повідомленні або поділитися з кимось особистими даними. Будь ласка, повідомте про підозрілі дії за допомогою меню “Повідомити про зловживання”

Learn More

Ця тема перенесена в архів. Якщо вам потрібна допомога, запитайте.

Can't find browser.newtab.url file to stop Yahoo from opening in new tabs

  • 1 відповідь
  • 1 має цю проблему
  • 9 переглядів
  • Остання відповідь від cor-el

more options

Hi, Yahoo is hijacking my new tabs. So annoying! I have followed your solution but where I need the file - browser.newtab.url I can't find this file with the instructions given. It doesn't show up. How do I stop Yahoo from opening new tabs without this file? Thanks.

Hi, Yahoo is hijacking my new tabs. So annoying! I have followed your solution but where I need the file - browser.newtab.url I can't find this file with the instructions given. It doesn't show up. How do I stop Yahoo from opening new tabs without this file? Thanks.

Усі відповіді (1)

more options

The browser.preferences.inContent is no longer supported in Firefox 42 and later (bug 1140495), so it is not possible to open a standalone window by setting this pref to false.

You can possibly create a button on the Bookmarks Toolbar to the about:preferences page and hold the Shift key and left-click to open the page in a new window or tear off the tab with the about:preferences page (Tab bar: Move to New Window).

You can look at the Classic Theme Restorer extension.

  • General UI (1): Open options page (about:preferences) in a window (v2)

If that isn't working or the choice is missing then you might be using a theme that isn't supported. You can check that by switching to the default theme.


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

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

If you do not keep changes after a restart or otherwise have problems with preferences, see: