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Firefox (ver.7, ver11) do not keep settings after its restarting


All my settings from menu options>options disappear after restarting FireFox. But primarily it was not so! The complete reinstallation (with uninstallation) do not remove the problem.

Additional System Details

Installed Plug-ins

  • Shockwave Flash 11.3 r300
  • Google Update
  • DjVu browser plugin
  • GEPlugin
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.0
  • 3.0.40818.0
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
  • DRM Netscape Network Object
  • DRM Store Netscape Plugin
  • Npdsplay dll


  • User Agent: Mozilla/5.0 (Windows NT 5.1; rv:7.0.1) Gecko/20100101 Firefox/7.0.1

More Information

  • Top 25 Contributor
617 solutions 4264 answers

see How to fix preferences that won't save


but keep in mind, version 7 of firefox is too old and unsupported, try the latest version



thank you