Multiple users reported that persistence sometimes pays off: "Sometimes if you keep refreshing the page and re-attempting the failed downloads they will eventually work."
If retries fail:
: Websites using complex or non-standard protocols like MPEG-DASH or custom encrypted streams often result in failed assembly where segments appear empty.
: Accumulated cookies and cache can interfere with video detection. Clear your history for "Everything" and restart the browser. ant video downloader downloaded segment is empty
Most modern video streaming platforms do not serve videos as a single, continuous file. Instead, they use technologies like or DASH (Dynamic Adaptive Streaming over HTTP) . These protocols break the video into hundreds of small fragments or segments (usually a few seconds long) and deliver them sequentially.
Developers frequently push updates to deal with changes in video streaming protocols (e.g., YouTube or Twitch updates). Make sure you are running the latest version from the Chrome Web Store or Firefox Add-ons. 3. Disable Ad Blockers and VPNs
: Add the Ant.com AppData folder to your antivirus exclusion list to prevent it from blocking the download and merging process. Multiple users reported that persistence sometimes pays off:
Other browser extensions, particularly ad blockers or privacy tools, can block the background network requests Ant Video Downloader uses to fetch segments.
Unstable internet connections can lead to incomplete segment downloads, causing timeout errors. The error code libcurl error code 23 , for example, is a low-level network retrieval error often stemming from a poor connection. Issues on the server side, such as breaking changes to standard protocols or non-standard tags, can also cause the tool to misinterpret the video file.
Open your browser settings and navigate to the privacy/history section. Clear your browser cache and cookies for "All Time." Most modern video streaming platforms do not serve
Users encountering the "downloaded segment is empty" error have reported several recurring patterns:
The error message typically indicates a failure in the communication between the browser extension and its native application. This issue often results in an output file that is missing or 0 bytes in size, as the downloader cannot correctly merge or process the video data it attempted to capture. Common Causes of Empty Segments
Select and set the time range to All Time .