Toolbars and add-ons can sometimes negatively affect the display and performance of REsearch. Example of a toolbar: How to remove unwanted extra add-ons from Firefox Click the menu button located on the upper right section of Firefox. Click Add-ons from the dropdown   On the Add-ons Manager page: Click Extensions located to the left Locate the extensions you would like to remove – Click Disable or Remove, please use your best judgement A browser restart may be required to complete the process. Done! In cases of more malicious programs sometimes there is no disable or remove button. These will need … Continued