It sounds like you did create a new profile and Firefox now opens without your old profile data, since you said, ''It does not have a toolbar or any of my bookmarks...''. Is that correct? If so, try the suggestions in this article: [[Recover user data missing after Firefox update or reinstall]] Also, if you need more help please also tell us what operating system you are using on your desktop computer (Windows? Linux? macOS?) since you posted your question with a mobile phone according to your system details (User Agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Mobile Safari/537.36)