Sometimes a simple reload allows the extension to re-detect the video stream.
Accumulated data can interfere with the extension's ability to process new downloads. video downloadhelper failed to download
A weak or fluctuating connection (below 3mbps) can cause downloads to stall or fail immediately. 1. Install or Re-register the Companion App (CoApp) Sometimes a simple reload allows the extension to
Modern web videos are often delivered in fragments (HLS/DASH). Browser extensions cannot merge these on their own and require the Video DownloadHelper Companion App. [SOLVED] Video DownloadHelper Companion App video downloadhelper failed to download
Ensure you are using the latest version from the Firefox Add-ons or Chrome Web Store.