Hey t_garrr! Thanks for writing to us today. Try creating a new profile and follow the instructions here: https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles and let me know what happens. Thanks.

Make sure that you do not run Firefox in (permanent) Private Browsing mode (Never Remember History). *https://support.mozilla.org/kb/Private+Browsing *Tools > Options > Privacy > Firefox will: "Use custom settings for history" *Deselect: [ ] "Always use private browsing mode" Problems with bookmarks and history not working properly can be caused by a corrupted places.sqlite database file. You can check for problems with the places.sqlite database file in the Firefox profile folder. *http://kb.mozillazine.org/Bookmarks_history_and_toolbar_buttons_not_working_-_Firefox *https://support.mozilla.org/kb/Bookmarks+not+saved#w_fix-the-bookmarks-file