: The app relies on yt-dlp to fetch videos. If YouTube updates its security and the app's internal version is old, it fails with this error.
Overly aggressive antivirus software (including Windows Defender’s "Controlled Folder Access" or Real-time Protection) can intercept execa attempts to launch yt-dlp or ffmpeg . open video downloader error unhandled error execa top
Windows Defender sometimes flags yt-dlp as a hacktool (false positive). : The app relies on yt-dlp to fetch videos
The developer of Open Video Downloader has officially addressed and fixed the "execa" background process crashes in the newer releases. Go directly to the official jely2002/youtube-dl-gui GitHub Repository Windows Defender sometimes flags yt-dlp as a hacktool
The "Unhandled error (execa)" in (YouTube-dl-GUI) is a common failure indicating that the application's underlying command-line engine has crashed or cannot be found. This usually happens because the bundled downloader tool ( yt-dlp ) is outdated or missing dependencies like Python or FFmpeg . Core Causes