These can't get your data back, but will help in the future.

These add-ons can be a great help by backing up and restoring Firefox

FEBE (Firefox Environment Backup Extension) {web link} FEBE allows you to quickly and easily backup your Firefox extensions, history, passwords, and more. In fact, it goes beyond just backing up -- It will actually rebuild your saved files individually into installable .xpi files. It will also make backup of files that you choose.

OPIE {web link} Import/Export extension preferences

Separate Issue; Your System Details shows;

Installed Plug-ins

Adobe Shockwave for Director Netscape plug-in, version 11.6.5.635 Adobe Shockwave for Director Netscape plug-in, version 11.6.3.633 Adobe Shockwave for Director Netscape plug-in, version 11.6.7.637

Having more than one version of a program may cause issues.

Grab the uninstaller from here: Uninstall Flash Player | Windows Uninstall Flash Player | Mac Then reinstall the latest version.

Flash Player Version 16.0.0.305
https://www.adobe.com/products/flashplayer/distribution3.html Shockwave Director Version 12.1.7.157 http://get.adobe.com/shockwave/

See also:

• https://support.mozilla.org/kb/how-do-i-use-bookmarks
• https://support.mozilla.org/kb/restore-bookmarks-from-backup-or-move-them