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Why doesn't FireFox restore webpages after a crash, update, or CTRL-ALT-DEL?

  • 1 réponse
  • 1 a ce problème
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  • Dernière réponse par cor-el

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When the web browser crashed or updated it would restore all web pages, even those with logons when the browser was relaunched. This stopped several months ago. Also, the feature that allowed me to select whether cookies were allowed, denied, or allowed for the session is no longer there. Did I change some setting that broke both these features?

When the web browser crashed or updated it would restore all web pages, even those with logons when the browser was relaunched. This stopped several months ago. Also, the feature that allowed me to select whether cookies were allowed, denied, or allowed for the session is no longer there. Did I change some setting that broke both these features?

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If you are referring to the "Ask me" setting for cookies then yes this feature has been removed a while back.

You would have to use a cookie extension to have more finer control than Firefox has. You can search the AMO website (https://addons.mozilla.org).

Are you by any chance using Private Browsing mode if restoring a session isn't working?


Firefox uses sessionstore.js in the profile folder to store session data. Sessionstore.js is only present when Firefox is closed. The sessionstore.js file is created from recovery.js when you close Firefox and is removed and copied to previous.js when you start Firefox to make is possible to restore the session at any time.

You will normally find these files in the sessionstore-backups folder:

  • previous.js (cleanBackup: copy of sessionstore.js from previous session that was loaded successfully)
  • recovery.js (latest version of the sessionstore written during runtime)
  • recovery.bak (previous version of the sessionstore written during runtime)
  • upgrade.js-<build_id> (backup created during an upgrade of Firefox)

You can copy a file from the sessionstore-backups folder to the main profile and rename the file to sessionstore.js to replace the current file (make a backup copy of the current sessionstore.js).

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