What is the AppData folder? Windows 11 app data storage explained.
On Windows 11 (and 10), the system includes an "AppData" folder for each user account that houses three other folders, ...
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A JavaScript error occurred in the main process message on Windows 11/10
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.