| 摘要 |
PROBLEM TO BE SOLVED: To easily restore an information processor into environment before download, when there is abnormal download in this information processor. SOLUTION: At downloading of a transfer file, it is decided by end decision whether the download is normal or abnormal. After the replacement object file of file updating is copied to a backup file, file updating is performed. In this file updating, it is decided by end decision whether updating processing is normal or abnormal as well. Then, when normal download and normal updating processing are performed, the result of this updating work is stored as updated history information. When download and updating processing are failed, however, the information of the file to be restored is read out of the updated history information and restored from the backed-up copy file.
|
