Can you attach a screenshot? *https://en.wikipedia.org/wiki/Screenshot *https://support.mozilla.org/kb/how-do-i-create-screenshot-my-problem *Use a compressed image type like PNG or JPG to save the screenshot *Make sure that you do not exceed the maximum size of 1 MB ----- Firefox manages downloads in the Downloads folder in the Library (History > Show All History) *Downloads are treated as history items: clearing history removes included download items and vice versa. *The Download button gets a blue highlight once all downloads are finished to make you aware that new downloads are available. *Pause and Resume can be found in the right-click context menu of an item. ----- You can check for problems with the <b>places.sqlite</b> database (bookmarks and history) in the Firefox profile folder. *https://addons.mozilla.org/firefox/addon/places-maintenance/ See also: *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

Screenshot from library.

Are you using Sync to sync the bookmarks/ Did you check for issues with the places.sqlite database like I posted above?

Thanks, I solved it.