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History/downloads/bookmarks window is stuck in fullscreen

Posted

This started happening after I began using the fullscreen mode and split screen view on the new OS X El Capitan.

I don't know what I did, but the history/downloads/bookmarks window (the one that pops up when you click "Show All History", etc.) is now permanently stuck in fullscreen. It takes up the entire screen, and it disables the menu bar and the Dock as a normal fullscreen would -- but it is clear this is a bug, since I can somehow move it around (see screenshot). No title bar pops up when I move my cursor to the top of the screen, and the usual Control-Command-F shortcut for toggling fullscreen doesn't seem to work.

How can I fix this?

This started happening after I began using the fullscreen mode and split screen view on the new OS X El Capitan. I don't know what I did, but the history/downloads/bookmarks window (the one that pops up when you click "Show All History", etc.) is now permanently stuck in fullscreen. It takes up the entire screen, and it disables the menu bar and the Dock as a normal fullscreen would -- but it is clear this is a bug, since I can somehow move it around (see screenshot). No title bar pops up when I move my cursor to the top of the screen, and the usual Control-Command-F shortcut for toggling fullscreen doesn't seem to work. How can I fix this?
Attached screenshots

Chosen solution

Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac Options)
key, and then starting Firefox. Is the problem still there?


You may have a corrupt xulstore.json file. https://support.mozilla.org/en-US/kb/changes-toolbars-and-window-sizes-are-not-saved

Read this answer in context 3

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FredMcD
  • Top 10 Contributor
4302 solutions 60401 answers

Chosen Solution

Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac Options)
key, and then starting Firefox. Is the problem still there?


You may have a corrupt xulstore.json file. https://support.mozilla.org/en-US/kb/changes-toolbars-and-window-sizes-are-not-saved

Start '''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Firefox in Safe Mode]''' {web Link} by holding down the '''<Shift><br> ''(Mac Options)'' ''' key, and then starting Firefox. Is the problem still there? --------------- You may have a corrupt '''xulstore.json''' file. '''https://support.mozilla.org/en-US/kb/changes-toolbars-and-window-sizes-are-not-saved'''

Helpful Reply

Deleting the xulstore.json file fixed it for me. Thanks!

I think it's definitely a bug, and it's reproducible too (Mac OS X El Capitan):

1. Set Firefox to fullscreen 2. Open the history window by clicking "Show All History" 3. The history window will open in fullscreen as well. Close the history window. 4. Open the history window again. The history window will now be stuck in fullscreen.

Deleting the xulstore.json file fixed it for me. Thanks! I think it's definitely a bug, and it's reproducible too (Mac OS X El Capitan): 1. Set Firefox to fullscreen 2. Open the history window by clicking "Show All History" 3. The history window will open in fullscreen as well. Close the history window. 4. Open the history window again. The history window will now be stuck in fullscreen.
FredMcD
  • Top 10 Contributor
4302 solutions 60401 answers

Glad to help. Safe surfing.


If you want to leave feedback for Firefox developers, you can go to the Firefox Help menu and select Submit Feedback... or use this link. Your feedback gets collected at http://input.mozilla.org/, where a team of people read it and gather data about the most common issues.

Glad to help. Safe surfing. If you want to leave feedback for Firefox developers, you can go to the Firefox ''Help'' menu and select ''Submit Feedback...'' or use [https://input.mozilla.org/feedback this link]. Your feedback gets collected at http://input.mozilla.org/, where a team of people read it and gather data about the most common issues.