Dear user, Thank you for Sharing this problem with me, I am going to help you as good as possible. so you say that Snapchat suddenly appeares wen you open Firefox, You als said that you do not have a snapchat account and you cant get rid of it. *Some possible Reasons could be, # Numbered list itemIt opens Through a pop-up or redirect via a website that you recently visited. # Numbered list itemOr it is possible that a fast-access-tile or shortcut to Snapchat is automatically added to your home screen or Firefox start page. # Numbered list itemThere may also be adware or an extension that was unintentionally installed. ----------------------------------------------------------------------------------------------------- * Bulleted list itemSolutions 1. Check Firefox Home Page Open Firefox. Tap the Home page (the house icon). Search or scroll down and see if Snapchat is there as a shortcut. If so, hold on it for a long time and choose 'Delete'. 2. Remove SnapChat from the Home Screen (as an App Shortcut) Touch and hold the Snapchat link on your phone. Drag it to 'Delete' at the top of the screen (or use the menu option to delete). 3. Check for malware/adware #Click the menu button [[Image:Fx89menuButton]] and choose History. #In the History menu, choose "Clear Recent History…". #Under "Time range to clear", select "Everything".<!--#Now, click the arrow next to Details to toggle the Details list active.--> #Under the History section<!--From the details list-->, check ''Cache'' and ''Cookies'' and uncheck everything else. #Now click the "Clear Now" button. Further information can be found in the [[Delete browsing, search and download history on Firefox]] article. 4. Check that you don't have SnapChat installed Go to Settings Apps . Search for Snapchat. If it's there, you can deactivate or delete it. I hope This helps solving the problem! If you need more help you can contact me by replying on this post Kind regards, Kaasplank3333. ''TIP! for extra security try downloading a anti virus to find any involved viruses or malm/adware, My antivirus recomendation is Bitdefender antivirus free '' (you can download here: [https://play.google.com/store/search?q=Bitdefender&c=apps&hl=en Download bitdefender antivirus here! (free)]