On Windows 11 (and 10), the system includes an "AppData" folder for each user account that houses three other folders, ...

APPDATA%\Mozilla\Firefox\Profiles\ To set Windows to show the AppData folder and other hidden files and folders, you need to configure Windows to display hidden files and folders. A post-graduate ...

Delete the app folder in the AppData folder. Next, press the Windows Key + R key combination in order to bring up the Run dialog box. Type in the environment variable below and hit Enter.