Other reasons: file system corruption, improper termination of WinRAR application, CRC error, archive header file corruption etc.Sudden system shutdown and power failure etc during the multipart archive download, creation process. However, these multivolume RAR files probably get corrupt during the creation or transmission process due to various reasons, such as virus attacks, abrupt interruption, and other reasons etc.
Besides, multipart RAR files have followed the AES encryption algorithm for data security and enable few recovery records for repairing RAR files in case of physical damage. And it is a good choice for people when they need to transfer and share mass data safely and effectively through the Internet. Multipart RAR/ZIP files have brought several conveniences to users who want to compress and save large files on disk or optical drive.