Since UserDefaults hand builds the path to the local app data location, this location is incorrect if the USERNAME doesn't match the USERPROFILE location directory. This means that all UserDefaults writes will fail because the location on disk won't exist.
Since UserDefaults hand builds the path to the local app data location, this location is incorrect if the
USERNAMEdoesn't match theUSERPROFILElocation directory. This means that allUserDefaultswrites will fail because the location on disk won't exist.