Download the latest FFmpeg build for your OS (from ffmpeg.org).
If you've tried these, are you seeing this error on all sites, or just one (like YouTube)? Also, what operating system (Windows/Mac/Linux) are you using?
The execa top error often occurs when the GUI tries to merge video and audio streams (which requires ffmpeg ), but ffmpeg is missing or inaccessible. open video downloader error unhandled error execa top
Open Video Downloader is a cross‑platform graphical interface for command‑line video download utilities. It is built with and Tauri , and it relies on a back‑end engine—originally youtube‑dl , but now most often yt‑dlp —to do the actual downloading. Because the front‑end itself does not contain the downloading logic, it spawns a separate subprocess (the download engine) using a Node.js library called Execa .
The Execa error is rarely a glitch with the Open Video Downloader interface itself. Instead, it is a communication breakdown. The most common causes include: Download the latest FFmpeg build for your OS (from ffmpeg
If the app tries to save a video to a protected folder (like the root C:\ drive or a restricted Admin folder), the operating system blocks Execa.
: Some users have resolved the error by clearing the application's cached data. The execa top error often occurs when the
Open Video Downloader usually updates its background tools automatically, but these updates can fail or lag behind. Launch . Open the Settings menu (gear icon). Scroll down to the Dependencies or Update section. Click Check for Updates or Force Update yt-dlp . Restart the application and try your download again. 2. Change the Download Destination Folder
is often reported as no longer active, leading to broken version-fetching logic that returns instead of a valid download path for the downloader engine. Recommended Solutions Error! Unhandled error (execa) · Issue #363 - GitHub