Please uninstall the software and clear cache. After restarting the computer, download StreamFab from Download Page and try again. The cache folder at C:\Users\xxx\Documents\DVDFab\StreamFab\temp C:\Users\xxx\Documents\DVDFab\StreamFab\Log For more issues, check out this troubleshooting guide: https://www.dvdfab.cn/resource/video/streamfab-not-working