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

  • 1 回覆
  • 1 有這個問題
  • 9 次檢視
  • 最近回覆由 cor-el

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.

所有回覆 (1)

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: