Type '''about:addons'''<enter> in the address bar to open your Add-ons Manager. Hot key; '''<Control>''(Mac=<Command>)''<Shift> A)''' In the Add-ons Manager, on the left, select '''Extensions.''' Remove Bing '''Anything.''' Now do the same in the computers Programs Folder. '''Windows:''' Start > Control Panel > Uninstall Programs. '''Mac:''' Open the "Applications" folder. '''Linux:''' Check your user manual.