I understand you’re experiencing an issue with Ant Video Downloader where downloaded video segments are coming up empty. This is a common problem, and here’s a concise, helpful report covering causes and solutions.

: Security software may quarantine the temporary segments or the ffmpeg.exe

For persistent issues, you can submit a log of the failure directly through the Ant Support Form Firefox Add-ons avd-host.exe is running correctly in the background? your add-on Ant Video Downloader does NOT work! Why?

If missing, download the latest version from the Ant Video Downloader Native App page.