: If you were trying to save a video from a social media site using a browser extension, the extension may have failed to fetch the high-quality version and defaulted to a generic 240p "placeholder."

: If you were trying to download a specific video, use a reputable tool like yt-dlp or a trusted browser extension with high ratings.

: Your computer adds this because there is already a file named "Download" in that folder. It’s an automated way to prevent overwriting.