Firefox 안전 모드 중 문제점 해결

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Safe Mode is a special Firefox execution mode that can be used to troubleshoot issues in Firefox. In Safe Mode, you can reset some settings or disable add-ons that might be the source of the issue. By comparing Firefox behavior in normal mode to its behavior in Safe Mode with various items disabled, you may be able to diagnose issues.

Note: Windows users may be familiar with a Safe Mode for Windows. Firefox Safe Mode has no connection to Windows Safe Mode.



How to start Firefox in Safe Mode

메뉴 버튼을 Fx89menuButton 클릭하고, 도움말을 클릭한 후 문제 해결 모드…를 선택하고 Firefox를 문제 해결 모드로 다시 시작하시겠습니까? 대화상자에서 다시 시작을 클릭하세요.
노트: Firefox를 시작하는 동안Shift 키를 길게 눌러 Firefox를 시작하는 동안option 키를 길게 눌러Firefox를 종료하고 Terminal에서 firefox -safe-mode를 실행하여 문제 해결 모드로 시작할수도 있습니다.
Firefox 설치 경로를 지정해야 할 수도 있습니다(예, /usr/lib/firefox)
메뉴 버튼을 Fx57menu 클릭하고, 도움말을 클릭한 후 부가 기능을 끄고 다시 시작…을 선택하고 부가 기능을 끄고 다시 시작 대화상자에서 다시 시작을 클릭하세요.
노트: Firefox를 시작하는 동안shift 키를 길게 눌러 Firefox를 시작하는 동안option 키를 길게 눌러Firefox를 종료하고 Terminal에서 firefox -safe-mode를 실행하여 문제 해결 모드로 시작할수도 있습니다.
Firefox 설치 경로를 지정해야 할 수도 있습니다(예, /usr/lib/firefox)


Safe Mode window

93cafd5e0e8bef77b66875863ae7f197-1259888532-113-1.png You now have three options:

  • Clicking the Exit button cancels your attempt to get into Firefox's Safe Mode.
  • Clicking the Continue In Safe Mode button starts Firefox in its Safe Mode. While you are in Safe Mode, your extensions and themes will be disabled, and any toolbar customizations will be reverted back to their defaults. These changes are not permanent - when you leave Safe Mode and start Firefox up normally, your extensions, themes, and settings will return to the state they were in before you entered Safe Mode.
  • The Make Changes and Restart button is only enabled if you select one of the boxes above it.
Note: The following changes cannot be undone.

You can elect to make the following changes:

  • Disable all add-ons: If you select this box and then click Make Changes and Restart then Firefox will start back up in its normal mode, except all your extensions and themes (but not plugins) will be disabled (not uninstalled).
  • Reset toolbars and controls: If you select this box and then click Make Changes and Restart then Firefox will start back up in its normal mode, except any toolbar customizations you have made will be lost, such as position of buttons and toolbars.
  • Reset bookmarks to Firefox defaults: If you select this box and then click Make Changes and Restart then Firefox will delete your current bookmarks and replace them with its default set.
  • Reset all user preferences to Firefox defaults: If you select this box and then click Make Changes and Restart then any changes you have made to Firefox's options will be set back to their default settings.
  • Restore default search engines: If you select this box and then click Make Changes and Restart then any of the default search engines you deleted will be restored.

  • Disable all add-ons: If you select this box and then click Make Changes and Restart then Firefox will start back up in its normal mode, except all your extensions, themes, and plugins will be disabled (not uninstalled).
  • Reset toolbars and controls: If you select this box and then click Make Changes and Restart then Firefox will start back up in its normal mode, except any toolbar customizations you have made will be lost, such as position of buttons and toolbars.
  • Delete all bookmarks except for backups: If you select this box and then click Make Changes and Restart then Firefox will delete your current bookmarks and replace them with the default set (This item is labeled Reset bookmarks to Firefox defaults in Firefox 3.5).
  • Reset all user preferences to Firefox defaults: If you select this box and then click Make Changes and Restart then any changes you have made to Firefox's options will be set back to their default settings.
  • Restore default search engines: If you select this box and then click Make Changes and Restart then any of the default search engines you deleted will be restored.


Exiting Safe Mode

  1. Firefox 메뉴 버튼Fx89menuButton을 클릭하고, 종료를 클릭하세요.창 상단의 Firefox 메뉴를 클릭한 뒤, Firefox 종료를 클릭하세요.Firefox 메뉴 버튼Fx89menuButton을 클릭하고, 종료를 클릭하세요.
  2. Start Firefox as you normally would.





Based on information from Safe mode (mozillaZine KB)