Q&A Forum > Advanced Tech Support > Browser Fingerprint : What is Gekko 20100101 ? Start a new discussion Tagged: browser, Fingerprinting, Firefox, Mac, MacOS Catalina 4 replies, 2 voices Last updated by Randall Blanchard 3 years, 10 months ago Viewing 4 reply threads Author Replies September 22, 2020 at 8:45 pm #45288 Randall BlanchardParticipant @leftblank15 Where is this located, on my Mac, and can I update it ? September 23, 2020 at 4:12 am #45289 Randall BlanchardParticipant @leftblank15 Sorry — That is “Gecko” — my mistake . September 23, 2020 at 1:04 pm #45292 TeamKomando:JohnParticipant @264458 Hello Leftblank15, Gecko is a browser engine developed by Mozilla. It is used in the Firefox browser, the Thunderbird email client, and many other projects. You will not be able to update this by itself, updating your Mozilla software should take care of updating the browser engine. October 25, 2020 at 7:27 pm #45759 Randall BlanchardParticipant @leftblank15 And it hasn’t been updated, since 2010 ? November 17, 2020 at 6:49 pm #45987 Randall BlanchardParticipant @leftblank15 ??? Author Replies Viewing 4 reply threads You must be a Komando Community member to reply to this post. Sign up or log in. Log In Username: Password: Keep me signed in Log In