already uninstall the extension, delete the cache and navigation data and stay the same: C

• Browser: Opera-Webkit 650 Windows
• User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.87 Safari/537.36 OPR/65.0.3467.42
• Extension: opera-chromium 8.54
• 
  I'm downloading them in 720p, it's not that I can't download it, what happens is that the videos I download are called videoplayback instead of their original name