The registry files should be reset in case a problem with starting the system after he has been restored.
--metadata-path=<PATH> - path to metadata files (.met) created during HDD Image backup.
--image-path=<PATH> - path to image file,
-registry-path=<PATH> - the path to the registry to be edited,
--help - shows help,
--show-params - shows used parameters with their values.
ERROR: No registry keys in metadata content - means there are no entries to edit.