Undoubtedly, it is always unwise and inefficient to remake a backup just because of these minor reasons. gho file was downloaded from Internet, we may also need to modify some files inside or just extract some files for use. After using Ghost to backup a partition/disk (primarily operation system or data), you may encounter some problems like this: forgot to include some files, need to remove some unnecessary files, or some files should not have been backup, and so on.