I can't download the video, and even if I enter a string that isn't a URL, no error occurs.

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Describe the bug - REQUIRED Almost no videos can be downloaded, and even if you enter a string that is not a URL, no error message is displayed.

Reproduction steps - REQUIRED

1. Enter any string, including characters other than a URL

Video link - REQUIRED if issue is related to downloading

Video URL: https://youtu.be/4MwmOh0d1bU

Expected behavior

The video will be downloaded.

Screenshots

System information - REQUIRED

• OS: Windows 11
• yt-dlp/ youtube-dl version: 2025.07.21
• Vividl version: 0.8.0.0

Additional context https://receive.shamimomo.net/YouTubeMP3modoki/ This site has this error:

ERROR: [youtube] GkYayMu4UjE: Sign in to confirm you’re not a bot. Use --cookies-from-browser or --cookies for the authentication. See https://github.com/yt-dlp/yt-dlp/wiki/FAQ#how-do-i-pass-cookies-to-yt-dlp for how to manually pass cookies. Also see https://github.com/yt-dlp/yt-dlp/wiki/Extractors#exporting-youtube-cookies for tips on effectively exporting YouTube cookies