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I used to be able to "restore" all my Firefox open browsers (about 30) and tabs (about 20 in each browser), but now the browsers are gone. Help?

Posted

Hello,

I like Mozilla Firefox, and have used the browser for years.

I like to have a different Firefox browser for each major subject (for example, each upcoming trip). I have about 30 different Firefox browsers open at once in my computer memory. Each of these 30 browsers has about 20 different tabs open in my computer memory. So in total, I have about 30 x 20 = 600 different tabs (websites) open at any one time. I refer to these often. Since I have spent the time to search and find these websites, I want to read them very easily in the future. I also have about 100 bookmarks, but bookmarks are not as organized as browsers and tabs. At night, I put my computer to sleep. In the morning, I turn on the computer, and all the browsers and tabs are there. If I had to restart my computer, (for example after installing Windows updates), then Firefox used to ask if I want to restore the previous session, which I did, and I got all 30 browsers x 20 tabs = 600 tabs back no problem.

But recently, I cannot restore all of those browsers; they are gone. How can I restore all the browsers I had open previously? I see the tabs under "History", but they are not organized within all the browsers that I had open. I reset Firefox to the factory default, but that has not helped.

Thanks, Craig Seattle, Washington, USA

Hello, I like Mozilla Firefox, and have used the browser for years. I like to have a different Firefox browser for each major subject (for example, each upcoming trip). I have about 30 different Firefox browsers open at once in my computer memory. Each of these 30 browsers has about 20 different tabs open in my computer memory. So in total, I have about 30 x 20 = 600 different tabs (websites) open at any one time. I refer to these often. Since I have spent the time to search and find these websites, I want to read them very easily in the future. I also have about 100 bookmarks, but bookmarks are not as organized as browsers and tabs. At night, I put my computer to sleep. In the morning, I turn on the computer, and all the browsers and tabs are there. If I had to restart my computer, (for example after installing Windows updates), then Firefox used to ask if I want to restore the previous session, which I did, and I got all 30 browsers x 20 tabs = 600 tabs back no problem. But recently, I cannot restore all of those browsers; they are gone. How can I restore all the browsers I had open previously? I see the tabs under "History", but they are not organized within all the browsers that I had open. I reset Firefox to the factory default, but that has not helped. Thanks, Craig Seattle, Washington, USA

Chosen solution

Hi craigfmiller,

A reliable restoration is to have all of the 600 tabs open and have the options set to "remember tabs from last time" in you Firefox preferences. If the restore previous session on the current about:home, does not have all of the tabs that open up I recommend Also having an add on that manages the sessions. Session Manager might be a good one to check out.

I hope this helps.

Read this answer in context 2

Additional System Details

Installed Plug-ins

  • Shockwave Flash 12.0 r0
  • Google Update
  • McAfee MSS+ NPAPI Plugin
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.9
  • GEPlugin
  • 5.1.20913.0
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers

Application

  • Firefox 27.0.1
  • User Agent: Mozilla/5.0 (Windows NT 6.0; rv:27.0) Gecko/20100101 Firefox/27.0
  • Support URL: https://support.mozilla.org/1/firefox/27.0.1/WINNT/en-US/

Extensions

  • Troubleshooter 1.1a (troubleshooter@mozilla.org)
  • Microsoft .NET Framework Assistant 0.0.0 ({20a82645-c095-46ed-80e3-08825760534b}) (Inactive)

Javascript

  • incrementalGCEnabled: True

Graphics

  • adapterDescription: NVIDIA GeForce 7900 GS
  • adapterDescription2:
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  • adapterDrivers2:
  • adapterRAM: 256
  • adapterRAM2:
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  • adapterVendorID2:
  • direct2DEnabled: False
  • direct2DEnabledMessage: [u'tryNewerDriver', u'257.21']
  • directWriteEnabled: False
  • directWriteVersion: 7.0.6002.23200
  • driverDate: 9-17-2007
  • driverDate2:
  • driverVersion: 7.15.11.6371
  • driverVersion2:
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  • isGPU2Active: False
  • numAcceleratedWindows: 0
  • numAcceleratedWindowsMessage: [u'tryNewerDriver', u'182.65']
  • numTotalWindows: 1
  • webglRendererMessage: [u'tryNewerDriver', u'182.65']
  • windowLayerManagerRemote: False
  • windowLayerManagerType: Basic

Modified Preferences

  • browser.cache.disk.capacity: 358400
  • browser.cache.disk.smart_size.first_run: False
  • browser.cache.disk.smart_size.use_old_max: False
  • browser.cache.disk.smart_size_cached_value: 358400
  • browser.places.smartBookmarksVersion: 4
  • browser.sessionstore.upgradeBackup.latestBuildID: 20140212131424
  • browser.startup.homepage_override.buildID: 20140212131424
  • browser.startup.homepage_override.mstone: 27.0.1
  • dom.mozApps.used: True
  • extensions.lastAppVersion: 27.0.1
  • network.cookie.prefsMigrated: True
  • places.history.expiration.transient_current_max_pages: 80453
  • plugin.disable_full_page_plugin_for_types: application/pdf
  • plugin.importedState: True
  • plugin.state.java: 0
  • privacy.sanitize.migrateFx3Prefs: True

Misc

  • User JS: No
  • Accessibility: No
guigs2
  • Top 10 Contributor
  • Administrator
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574 solutions 6565 answers

Chosen Solution

Hi craigfmiller,

A reliable restoration is to have all of the 600 tabs open and have the options set to "remember tabs from last time" in you Firefox preferences. If the restore previous session on the current about:home, does not have all of the tabs that open up I recommend Also having an add on that manages the sessions. Session Manager might be a good one to check out.

I hope this helps.

Hi craigfmiller, A reliable restoration is to have all of the 600 tabs open and have the options set to "remember tabs from last time" in you Firefox preferences. If the restore previous session on the current about:home, does not have all of the tabs that open up I recommend Also having an add on that manages the sessions. [https://addons.mozilla.org/en-US/firefox/addon/session-manager/?src=search Session Manager] might be a good one to check out. I hope this helps.

Helpful Reply

rmcguigan,

Thank you so much for your help. Per your recommendation, I just installed Session Manager. But you also suggest "have the options set to 'remember tabs from last time' in your Firefox preferences." I looked for that, but could not find it. Exactly where will I find that in Firefox?

Thanks, Craig

rmcguigan, Thank you so much for your help. Per your recommendation, I just installed Session Manager. But you also suggest "have the options set to 'remember tabs from last time' in your Firefox preferences." I looked for that, but could not find it. Exactly where will I find that in Firefox? Thanks, Craig
cor-el
  • Top 10 Contributor
  • Moderator
11981 solutions 111345 answers

See:

  • Tools > Options > General > Startup: "When Firefox Starts":
    "Show my windows and tabs from last time"

You can try to restore a previous version of the sessionstore.js file.

  • Right-click: Properties > Previous Versions
See: *Tools > Options > General > Startup: "When Firefox Starts":<br>"Show my windows and tabs from last time" *https://support.mozilla.org/kb/restore-previous-session ---- You can try to restore a previous version of the sessionstore.js file. *Right-click: Properties > Previous Versions *http://windows.microsoft.com/en-US/windows-vista/Previous-versions-of-files-frequently-asked-questions *http://kb.mozillazine.org/Session_Restore
John99
  • Top 25 Contributor
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679 solutions 9447 answers

I would add that bookmarks may be organised into folders and subfolders. You may wish to make more use of bookmarks if only to ensure you do not loose everything if your session restore becomes problematic.

Bookmarks are a bit more robust than the session restore system. Firefox backs them up automatically and you may do so manually. Possibly Firefox will behave better and faster with hundreds of bookmarks but only tens of tabs open. There is also the tabs groups, but that is something I think development has ceased on and may have similar issues to session restore / or open tabs.

I would add that bookmarks may be organised into folders and subfolders. You may wish to make more use of bookmarks if only to ensure you do not loose everything if your session restore becomes problematic. Bookmarks are a bit more robust than the session restore system. Firefox backs them up automatically and you may do so manually. Possibly Firefox will behave better and faster with hundreds of bookmarks but only tens of tabs open. There is also the tabs groups, but that is something I think development has ceased on and may have similar issues to session restore / or open tabs. * [[How to use bookmarks to save and organize your favorite websites]] ** [[Restore bookmarks from backup or move them to another computer]] ** [[Use bookmark folders to organize your bookmarks]] *[[Use Tab Groups to organize a lot of tabs]]
cor-el
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  • Moderator
11981 solutions 111345 answers

Tab groups are stored in the same sessionstore.js file as Session Restore data (open and closed tabs).

Tab groups are stored in the same sessionstore.js file as Session Restore data (open and closed tabs).

Question owner

Thank you everyone for your wonderful help. I think I solved it now. After the next crash, I will know whether I can restore all the windows and tabs! :)

Craig

Thank you everyone for your wonderful help. I think I solved it now. After the next crash, I will know whether I can restore all the windows and tabs! :) Craig