Some toolbars may not be compatible with the latest Firefox
-  Upgrade to Kaspersky version 2013
-  Kaspersky 2013: patch D
-  Norton toolbar only supports Firefox 15 and above
-  Firefox 17 Support for NIS/NAV 2012/2013 & Norton 360 Toolbar
-  Google Toolbar is no longer compatible with Firefox - Here are some alternatives
Fix problems with Firefox's toolbars and other add-on toolbars
-  Navigation buttons like back, home, bookmarks and reload are missing
-  Restore the Menu bar in Firefox
-  Changes to toolbars and window sizes are not saved
-  Re-enable add-ons that were disabled when updating Firefox
-  Troubleshoot Firefox issues caused by malware
-  How do I remove a third-party toolbar that has taken over my Firefox search or home page?