There are several factors which can corrupt the MP4 files like viruses, software related problem, hardware malfunctioning and so on. Whatever the reasons are the fact is that once data gets corrupted or deleted from the system then it become inaccessible. You can't view them. If you are also facing problem because of deletion of important MP4 files from the system or camera then don't panic. You can try MP4 video recovery software for the restoration of all lost or corrupted files. This software comes with several advance and interactive features like find image, clone, file filter and so on which help you all through the recovery process. Once you install this software then it will perform the deep scanning of the system and gives the preview of all lost MP4 files and after getting the preview recovery process become very essay. You can also perform selective recovery. This is very simple to operate.