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Two BIG problems: Firefox erases tabs and won't save preferences

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Long story: I'm on a 2009 15" Macbook Pro Intel Core 2 Duo running OS X 10.6.8. A couple weeks ago, I suddenly began having problems with certain features in Gmail... but only in Firefox. Specifically, I was no longer able to preview attachments in Gmail's new attachment viewer. After a long back-and-forth on the Gmail forum with no results, I turned to Firefox. After poking around in Firefox Help, I decided to reset Firefox. This solved the issue with Gmail, but in turn created two new and more serious problems with Firefox: (1) I am unable to save my History settings in the Privacy tab of Preferences (I want to use Custom settings; every time I choose this option from the dropdown menu and close Prefs., as soon as I open Prefs again, the History setting is back on the default "Remember history"; (2) Even more grave, and evidently related: every time I quit Firefox, all my tabs and tab groups are gone upon re-opening. I can restore the previous session, but this is obviously not the desired solution.

I've essentially tried everything suggested in the designated articles in Firefox help, from resetting Firefox again, to trashing the prefs.js file in my Profile folder (I don't have any other pref files--i.e. no "prefs-n.js or "prefs.js.moztmp" or "Invalidprefs.js"... I also don't see a user.js file in my Profile folder either). I've even used Disk Utility to repair permissions on my Mac HD... for whatever that's worth.

I'm so sick of all this that I'm seriously considering ditching Firefox altogether. Can anyone out there help me figure out what's going on?

Accidemic13

Long story: I'm on a 2009 15" Macbook Pro Intel Core 2 Duo running OS X 10.6.8. A couple weeks ago, I suddenly began having problems with certain features in Gmail... but only in Firefox. Specifically, I was no longer able to preview attachments in Gmail's new attachment viewer. After a long back-and-forth on the Gmail forum with no results, I turned to Firefox. After poking around in Firefox Help, I decided to reset Firefox. This solved the issue with Gmail, but in turn created two new and more serious problems with Firefox: (1) I am unable to save my History settings in the Privacy tab of Preferences (I want to use Custom settings; every time I choose this option from the dropdown menu and close Prefs., as soon as I open Prefs again, the History setting is back on the default "Remember history"; (2) Even more grave, and evidently related: every time I quit Firefox, all my tabs and tab groups are gone upon re-opening. I can restore the previous session, but this is obviously not the desired solution. I've essentially tried everything suggested in the designated articles in Firefox help, from resetting Firefox again, to trashing the prefs.js file in my Profile folder (I don't have any other pref files--i.e. no "prefs-n.js or "prefs.js.moztmp" or "Invalidprefs.js"... I also don't see a user.js file in my Profile folder either). I've even used Disk Utility to repair permissions on my Mac HD... for whatever that's worth. I'm so sick of all this that I'm seriously considering ditching Firefox altogether. Can anyone out there help me figure out what's going on? Accidemic13

Chosen solution

The "Use custom settings for history" selection allows to see the current history and cookie settings, but selecting this doesn't make any changes to history and cookie settings.

Firefox shows "Use custom settings for history" as an indication that at least one of the history and cookie settings is not the default to make you aware that changes were made.

If all History and Cookie settings are default then the custom settings are hidden and you see "Firefox will: (Never) Remember History".

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Additional System Details

Installed Plug-ins

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Application

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  • Support URL: https://support.mozilla.org/1/firefox/29.0.1/Darwin/en-US/

Extensions

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  • Torrent Handler 1.1 (TorrentHandler@TorrentHandler.com) (Inactive)

Javascript

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Graphics

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Modified Preferences

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Misc

  • User JS: No
  • Accessibility: No
philipp
  • Top 25 Contributor
  • Moderator
5321 solutions 23502 answers

hello, once you set "custom history" in the privacy panel you'll also have to change some of related settings that appear afterwards - otherwise there's no difference to the default configuration and firefox will still be in "remember history mode".

also see How to set the home page to continue your old session on startup of the browser automatically.

hello, once you set "custom history" in the privacy panel you'll also have to change some of related settings that appear afterwards - otherwise there's no difference to the default configuration and firefox will still be in "remember history mode". also see [[How to set the home page]] to continue your old session on startup of the browser automatically.

Question owner

Thanks much. All fixed.

Thanks much. All fixed.
cor-el
  • Top 10 Contributor
  • Moderator
17571 solutions 158915 answers

Chosen Solution

The "Use custom settings for history" selection allows to see the current history and cookie settings, but selecting this doesn't make any changes to history and cookie settings.

Firefox shows "Use custom settings for history" as an indication that at least one of the history and cookie settings is not the default to make you aware that changes were made.

If all History and Cookie settings are default then the custom settings are hidden and you see "Firefox will: (Never) Remember History".

The "Use custom settings for history" selection allows to see the current history and cookie settings, but selecting this doesn't make any changes to history and cookie settings. Firefox shows "Use custom settings for history" as an indication that at least one of the history and cookie settings is not the default to make you aware that changes were made. If all History and Cookie settings are default then the custom settings are hidden and you see "Firefox will: (Never) Remember History".