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bookmarks sidebar in firefox 23

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Apparently there are quite a few problems with sidebars in FF23, here's mine:

I can't remove the sidebar by clicking the x-button on top, instead I have to use View=> Sidebar to remove it.

Second problem that's been coming and going (now constant) is that trying to open more than 2 windows with sidebar open doesn't work. After the second window the sidebar disappears.

Apparently there are quite a few problems with sidebars in FF23, here's mine: I can't remove the sidebar by clicking the x-button on top, instead I have to use View=> Sidebar to remove it. Second problem that's been coming and going (now constant) is that trying to open more than 2 windows with sidebar open doesn't work. After the second window the sidebar disappears.

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Try the Firefox SafeMode to see how it works there.
A troubleshooting mode, which disables most Add-ons.
Troubleshoot Firefox issues using Firefox SafeMode

When in Safe Mode...

  • The status of plug-ins is not affected.
  • Custom preferences are not affected.
  • All extensions are disabled.
  • The default theme is used, without a persona.
  • userChrome.css and userContent.css are ignored.
  • The default toolbar layout is used.
  • The JIT Javascript compiler is disabled.
  • Hardware acceleration is disabled.


  • You can open the Firefox 15.0+ SafeMode by holding the Shft key when you use the Firefox desktop or Start menu shortcut.
  • Or use the Help menu item, click on Restart with Add-ons Disabled... while Firefox is running.


To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before using the Firefox shortcut (without the Shft key) to open it again.


If it is good in the Firefox SafeMode, your problem is probably caused by an extension, and you need to figure out which one.
http://support.mozilla.com/en-US/kb/troubleshooting+extensions+and+themes
Or it might be caused by Hardware Acceleration.

When you figure out what is causing that, please let us know. It might help other user's who have that problem.