LocalAppData\Hertzler_Systems\ folder:
A user-specific folder that contains minor settings for GainSeeker, including the Usershared.settings file.
On Windows Vista or later, the default name for this folder is \Users\user_name\AppData\Local\Hertzler_Systems\ folder on the drive where Windows is installed (usually C: or D:).
On Windows XP, the default name for this folder is \Documents and Settings\user_name\Application Data\Hertzler Systems\ on the drive where Windows is installed (usually C: or D:).