This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Running Max OS 10.7.4. & Firefox 14.0.1. If Mac is left idle for a while, Firefox window shrinks, moves to lower left corner of display, sometimes disappears.

  • 2 replies
  • 2 have this problem
  • 23 views
  • Last reply by tcmoore

more options

Also, cannot submit comment via "Submit feedback" site. Neither "made me sad" nor "made me happy" submit buttons work.

Also, cannot submit comment via "Submit feedback" site. Neither "made me sad" nor "made me happy" submit buttons work.

Chosen solution

Try to remove the Firefox plist file (org.mozilla.firefox.plist).

Go to "~/Library/Preferences" and remove the plist file for Firefox (org.mozilla.firefox.plist)

You can also check for problems with the localstore.rdf file.


In Mac OS X v10.7, the $HOME/Library folder is a hidden folder.

Open Finder and use one of these:

  • Go > Go To Folder (Shift-Command-G) and in the dialog type: ~/Library
  • Open the "Go" menu and hold down the Option key to make the Library appear
Read this answer in context 👍 3

All Replies (2)

more options

Chosen Solution

Try to remove the Firefox plist file (org.mozilla.firefox.plist).

Go to "~/Library/Preferences" and remove the plist file for Firefox (org.mozilla.firefox.plist)

You can also check for problems with the localstore.rdf file.


In Mac OS X v10.7, the $HOME/Library folder is a hidden folder.

Open Finder and use one of these:

  • Go > Go To Folder (Shift-Command-G) and in the dialog type: ~/Library
  • Open the "Go" menu and hold down the Option key to make the Library appear
more options

As suggested, I removed the Firefox plist file and the problem has not recurred (yet). So far, so good!