hello, how are you trying to bookmark pages, what happens instead - do you you get any error messages?

You can check for problems with the <b>places.sqlite</b> 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 *Places Maintenance: https://addons.mozilla.org/firefox/addon/places-maintenance/ ----- Make sure that toolbars like the "Bookmarks Toolbar" are visible. *"3-bar" Firefox menu button > Customize > Show/Hide Toolbars *View > Toolbars<br>Tap the Alt key or press F10 to show the Menu Bar *Right-click empty toolbar area Open the Customize window and set which toolbar items to display. *"3-bar" Firefox menu button > Customize *check that "Bookmarks Toolbar items" is on the Bookmarks Toolbar *if "Bookmarks Toolbar items" is not on the Bookmarks Toolbar then drag it back from the Customize palette into the Customize window to the Bookmarks Toolbar *if missing items are in the Customize palette then drag them back from the Customize window on the toolbar *if you do not see an item on a toolbar and in the Customize palette then click the Restore Defaults button to restore the default toolbar setup *https://support.mozilla.org/kb/customize-firefox-controls-buttons-and-toolbars