The "Ant Video Downloader: downloaded segment is empty" error typically indicates failures in multi-part file assembly caused by stream issues, antivirus interference, or the use of discontinued browser extensions. Troubleshooting steps include verifying the native application files, disabling Firefox hardware acceleration, checking network stability, and migrating to the updated Ant Download Manager. For comprehensive troubleshooting, visit ANT Support. your add-on Ant Video Downloader does NOT work! Why?
Ant might parse only the first few segments of an m3u8 playlist, missing the rest (e.g., if the playlist uses EXT-X-MEDIA or EXT-X-BYTERANGE). ant video downloader downloaded segment is empty
If Ant’s temp folder is on a full drive or a read‑only location, segment writes may fail silently. The "Ant Video Downloader: downloaded segment is empty"
Causes and technical background
Troubleshooting "Ant Video Downloader Downloaded Segment is Empty" Error: A Comprehensive Guide your add-on Ant Video Downloader does NOT work
If retries fail: