Alternatively, the warehouse manager might have changed the locks (a site update), and the delivery person was using an old key. They "finished" the job, but since they couldn't actually grab the data, they just handed over the empty packaging. Why your segments might be empty

Encountering empty downloaded segments when using Ant Video Downloader can be frustrating. However, by understanding the possible causes and trying the troubleshooting steps outlined in this essay, you can resolve the issue and successfully download videos. Regularly updating the software, ensuring stable network connectivity, and clearing cache and temporary files can help prevent issues related to empty downloaded segments. If you're still experiencing issues, consider reaching out to the software's support team for further assistance.

Antivirus programs or firewalls sometimes flag the "segments" being downloaded as suspicious. They might quarantine the temporary files AVD creates before they can be assembled into a full video.