Hi ZombieMaster00 To add or remove items from toolbar you must be in customize menu, Right-click an empty section of the Tab Strip and select Customize... see for more information: [https://support.mozilla.org/en-US/kb/customize-firefox-controls-buttons-and-toolbars#w_how-do-i-customize-or-rearrange-toolbar-items How do I customize or rearrange toolbar items?] if the above does not solve the issue then try to delete the [http://kb.mozillazine.org/Localstore.rdf localstore.rdf] file in [http://kb.mozillazine.org/Profile_folder_-_Firefox profile folder] beware do '''not delete the localstore.rdf file in the Firefox program installation folder''' see for info : [http://kb.mozillazine.org/Corrupt_localstore.rdf Corrupt localstore.rdf] thank you Please mark "Solved" the answer that really solve the problem, to help others with a similar problem.