These slides show how you can repair a corrupt MP4 file using a MP4 video repair tool (VRT).

1. How to repair a corrupt .MP4
movie file
It suddenly happens!
– Your movie doesn't play anymore
Possible reasons?
– Your movie is broken or truncated
– Your camera did not finalize your movie
– Some software incorrectly modified your movie

2. How to repair a corrupt .MP4 movie
Step 1: Download a MP4 video repair tool (like
VRT from www.grauonline.de)

3. How to repair a corrupt .MP4 movie
Step 2: Start it and choose your broken movie file

4. How to repair a corrupt .MP4 movie
Step 3: Choose a good sample file of the same camera
(aka reference movie)

5. How to repair a corrupt .MP4 movie
Step 3: Press 'Scan' and wait for the repaired movie

6. How to repair a corrupt .MP4 movie
That's it! Now you have repaired your broken MP4 file.