Try in safemode *https://support.mozilla.org/kb/troubleshoot-firefox-issues-using-safe-mode

Maybe your localstore.rdf are corrupted, try rename or delete it, first go to your profile, close Firefox, delete or rename the localstore.rdf file then restart Firefox, maybe you need unhide the hidden files and folders! *[http://kb.mozillazine.org/Show_hidden_files_and_folders] *[https://support.mozilla.org/kb/profiles-where-firefox-stores-user-data Profiles] Also try go to '''View''' >> '''Toolbars''' >> '''Customize''' in this window look to your bookmark toolbar, if you find it just drag and drop it and put where you want. *[https://support.mozilla.org/kb/customize-firefox-controls-buttons-and-toolbars Customize toolbars] Also: *[http://kb.mozillazine.org/Preferences_not_saved] *[https://support.mozilla.org/kb/how-to-fix-preferences-wont-save Preferences won’t save] *[https://support.mozilla.org/kb/reset-firefox-easily-fix-most-problems Reset Firefox]

go to View >> Toolbars >> Customize in this window look to your bookmark toolbar, if you find it just drag and drop it and put where you want. Worked! Simple that's the best.